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Thor Harald Ringsby

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Thor Harald Ringsby

Professor
Department of Biology

thor.h.ringsby@ntnu.no
+4773596277 +4791897032 Realfagbygget, D1-202, Gløshaugen, Høgskoleringen 5
Centre for Biodiversity Dynamics (CBD) Ringsby Lab
About Publications Teaching Outreach

About

Research

My research interests cover population ecology, life history and conservation biology.  

I seek to understand eco-evolutionary mechanisms that causes changes in species distributions and their abundances, which is in the core of population ecology. In order to understand such mechanisms we have to deal with how life history traits vary among individuals, how individuals interact with each other, how they are affected by the environment and how this relates to individual variation in fitness. Understanding and quantifying factors that influence individual variation in fitness is therefore essential in order to predict changes in population sizes over time - which also is central in population ecology.

 

Variation in time and space

A major part of my research have focused on how populations vary in space and time. It is important to understand how spatial variation in habitat quality among local populations as well as temporal variation in environmental conditions (e.g. variation in climate conditions) influence local variance in life history traits (morphology, survival rates, reproduction, dispersal rates etc) and population dynamics within a species.

Such knowledge is important in order to understand the consequences of habitat fragmentation caused by human activity (intrastructure/forestry/agriculture etc) which is one of the biggest causes of loss of biodiversity today.

I have studied such perspectives empirically in a metapopulation consisting of 18 island populations of House sparrows (Passer domesticus) at the coast of Helgeland in northern Norway since 1993.

 

The focus in ongoing work covers:

  • How does local phenology (e.g. onset of spring, NDVI), spring temperature, and climate change affect the initiation of breeding and the reproductive success
    House Sparrows
  • Density dependent reproductive success; in many bird species nestlings are fed with insects during nest stage (including house sparrows) and in high density populations the competition for insects will be higher; to what extent is the diversity of the local insect fauna (reflecting carrying capacity in the habitat) limiting the reproductive output of house sparrow populations. And, does the spatio-temporal variation (within season variation and among habitats (i.e. islands)) in the insect diversity determine reproductive output
  • Spatial and temporal variation in life history traits: the relationship between body size, growth rate and potential role of telomeres as mediators of lifespan and fitness in House Sparrows
  • Causes and consequences of variation in egg size in House Sparrows
  • Effects of ecto- and endoparasites on variation in individual fitness as well as on population dynamics in House Sparrows
  • Predator-prey dynamics

 

Teaching:

I am program leader for the 2-year interdiciplinary masterprogram in  "Natural Resources Management" (on leave Aug 2020-Aug 2021)

Responsibility in courses:

BI1003 - Evolutionary Biology, Ecology and Ethology

BI2033 – Population ecology

BI2034 – Community ecology

RFEL3081 - Natural Resources Management, Interdisciplinary Project (emneansvarlig)

 

Master projects:

Ask me :-)

 

Publications

  • Chronological
  • By category
  • All publications registered in NVA

2025

  • Eriksen, Lasse Frost; Ringsby, Thor Harald; Israelsen, Markus Fjellstad; Moa, Pål Fossland; Grøtan, Vidar; Nilsen, Erlend Birkeland. (2025) Climatic variation affects seasonal survival of an alpine bird species. Wildlife Biology
    Academic article
  • Ajoy, Yimen Gerardo Araya; Frank, Tor Hansson; Burnett, Hamish Andrew; Søraker, Jørgen Skavdal; Ranke, Peter Sjolte; Goedert, Debora. (2025) Assessing the 'Small Population' Paradigm: The Effects of Stochasticity on Evolutionary Change and Population Growth in a Bird Metapopulation. Ecology Letters
    Reader opinion piece
  • Saatoglu, Fikriye Dilan; Niskanen, Alina Katariina; Froy, Hannah; Ranke, Peter Sjolte; Goedert, Debora; Reid, Jane Margaret. (2025) Metapopulation-level analyses reveal positive fitness consequences of immigration in a small bird. Journal of Animal Ecology
    Academic article

2024

  • McAuley, John B; Servin, Bertrand; Burnett, Hamish Andrew; Brekke, Cathrine; Peters, Lucy; Hagen, Ingerid Julie. (2024) The Genetic Architecture of Recombination Rates is Polygenic and Differs between the Sexes in Wild House Sparrows (Passer domesticus). Molecular Biology and Evolution (MBE)
    Academic article
  • Eriksen, Lasse Frost; Nilsen, Erlend Birkeland; Ringsby, Thor Harald; Moa, Pål Fossland; Grøtan, Vidar. (2024) Life history traits and demography of a mountain bird under climatic variation. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Doctoral dissertation
  • Ranke, Peter Sjolte; Pepke, Michael Le; Søraker, Jørgen Skavdal; David, Gabriel; Ajoy, Yimen Gerardo Araya; Wright, Jonathan. (2024) Long-distance dispersal in the short-distance dispersing house sparrow (Passer domesticus). Ecology and Evolution
    Academic article
  • Htay, Thazin; Htoo, Kyaw Kyaw; Røskaft, Eivin; Ringsby, Thor Harald; Ranke, Peter Sjolte. (2024) Environmental Factors Affecting Spatio-Temporal Distribution of Crop-Exploiting Species: Implications for Coexistence Between Agricultural Production and Avifauna Conservation in Wetlands. Environmental Management
    Academic article

2023

  • Htay, Thazin; Htoo, Kyaw Kyaw; Røskaft, Eivin; Ringsby, Thor Harald; Ranke, Peter Sjolte. (2023) Social and ecological drivers of illegal bird hunting in the Indawgyi wetland ecosystem in Myanmar. Conservation Science and Practice (CSP)
    Academic article
  • Pepke, Michael Le; Kvalnes, Thomas; Wright, Jonathan; Ajoy, Yimen Gerardo Araya; Ranke, Peter Sjolte; Boner, Winnie. (2023) Longitudinal telomere dynamics within natural lifespans of a wild bird. Scientific Reports
    Academic article
  • Gholami, Fatemeh; Jensen, Henrik; Ringsby, Thor Harald; Kvalnes, Thomas; Burnett, Hamish Andrew. (2023) Effect of inbreeding on egg size and clutch size in an insular house sparrow metapopulation in northern Norway. Norwegian University of Science and Technology Norwegian University of Science and Technology
    Masters thesis
  • Oddvik, Vilde Jonasson; Ringsby, Thor Harald; Christensen-Dalsgaard, Signe; Kvalnes, Thomas. (2023) The Effects of Diet and Weather on Early-life Growth and Survival in Atlantic Puffin Nestlings in Northern Norway. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Saugestad, Margrete; Ringsby, Thor Harald; Kvalnes, Thomas; Ranke, Peter Sjolte; Pepke, Michael Le. (2023) The influence of arthropods availability on fledgling morphology and reproductive success in wild house sparrows. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Htay, Thazin; Røskaft, Eivin; Ringsby, Thor Harald; Ranke, Peter Sjolte. (2023) Spatio-temporal variation in avian taxonomic, functional, and phylogenetic diversity and its relevance for conservation in a wetland ecosystem in Myanmar. Biodiversity and Conservation
    Academic article
  • Eriksen, Lasse Frost; Ringsby, Thor Harald; Pedersen, Hans Christian; Nilsen, Erlend Birkeland. (2023) Climatic forcing and individual heterogeneity in a resident mountain bird: legacy data reveal effects on reproductive strategies. Royal Society Open Science
    Academic article
  • Pepke, Michael Le; Ringsby, Thor Harald; Eisenberg, Dan T. A.. (2023) The evolution of early-life telomere length, pace-of-life and telomere-chromosome length dynamics in birds. Molecular Ecology
    Academic article
  • Nafstad, Ådne Messel; Rønning, Bernt; Aase, Kenneth; Ringsby, Thor Harald; Hagen, Ingerid Julie; Ranke, Peter Sjolte. (2023) Spatial variation in the evolutionary potential and constraints of basal metabolic rate and body mass in a wild bird. Journal of Evolutionary Biology
    Academic article
  • Kazemi, Maryam; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik; Burnett, Hamish Andrew; Myhre, Ane Marlene. (2023) Demographic changes in female-skewed populations of house sparrow (Passer domesticus). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis

2022

  • Pepke, Michael Le; Kvalnes, Thomas; Rønning, Bernt; Jensen, Henrik; Boner, Winnie; Sæther, Bernt-Erik. (2022) Artificial size selection experiment reveals telomere length dynamics and fitness consequences in a wild passerine. Molecular Ecology
    Academic article
  • Htay, Thazin; Ringsby, Thor Harald; Røskaft, Eivin; Ranke, Peter Sjolte. (2022) Promoting bird conservation in wetland-associated landscapes: Factors influencing avian crop damage and farmers’ attitudes. Global Ecology and Conservation
    Academic article
  • Mehlhoop, Anne Catriona; Moorter, Bram Van; Ringsby, Thor Harald; Hagen, Dagmar; Rolandsen, Christer Moe; Evju, Marianne. (2022) Evaluating mitigation measures to reduce negative impacts of infrastructure construction on vegetation and wildlife. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Doctoral dissertation
  • Søraker, Jørgen Skavdal; Jensen, Henrik; Sæther, Bernt-Erik; Wright, Jonathan; Ranke, Peter Sjolte; Ringsby, Thor Harald. (2022) Disentangling the age-dependent causal pathways affecting multiple paternity in house sparrows. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Bjørsrud, Maren Sofie; Ringsby, Thor Harald; Kvalnes, Thomas; Pepke, Michael Le; Ranke, Peter Sjolte. (2022) Predator-Induced Selection on Phenotypes by Sparrowhawks (Accipiter nisus) in House sparrows (Passer domesticus). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Mehlhoop, Anne Catriona; Moorter, Bram Van; Rolandsen, Christer Moe; Hagen, Dagmar; Granhus, Aksel; Eriksen, Rune. (2022) Moose in our neighborhood: Does perceived hunting risk have cascading effects on tree performance in vicinity of roads and houses?. Ecology and Evolution
    Academic article
  • Pepke, Michael Le; Kvalnes, Thomas; Ranke, Peter Sjolte; Araya-Ajoy, Yimen; Wright, Jonathan; Sæther, Bernt-Erik. (2022) Causes and consequences of variation in early-life telomere length in a bird metapopulation. Ecology and Evolution
    Academic article
  • Pepke, Michael Le; Niskanen, Alina Katariina; Kvalnes, Thomas; Boner, Winnie; Sæther, Bernt-Erik; Ringsby, Thor Harald. (2022) Inbreeding is associated with shorter early-life telomere length in a wild passerine. Conservation Genetics
    Academic article

2021

  • Pepke, Michael Le; Kvalnes, Thomas; Lundregan, Sarah; Boner, Winnie; Monaghan, Pat; Sæther, Bernt-Erik. (2021) Genetic architecture and heritability of early-life telomere length in a wild passerine. Molecular Ecology
    Academic article
  • Saatoglu, Fikriye Dilan; Niskanen, Alina Katariina; Kuismin, Markku; Ranke, Peter Sjolte; Hagen, Ingerid Julie; Araya-Ajoy, Yimen. (2021) Dispersal in a house sparrow metapopulation: An integrative case study of genetic assignment calibrated with ecological data and pedigree information. Molecular Ecology
    Academic article
  • Muller, Amandine Sophie; Jensen, Henrik; Araya-Ajoy, Yimen; Husby, Arild; Kvalnes, Thomas; Lundregan, Sarah. (2021) Effects of inbreeding on lay date in house sparrows (Passer domesticus). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Gravelsæther, Maria Margareth Angelil; Ringsby, Thor Harald; Fossøy, Frode; Stokke, Bård Gunnar; Hansen, Brage Bremset. (2021) Effects of arthropod abundance on reproductive success in Svalbard snow bunting (Plectrophenax nivalis). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Araya-Ajoy, Yimen; Niskanen, Alina Katariina; Froy, Hannah; Ranke, Peter Sjolte; Kvalnes, Thomas; Rønning, Bernt. (2021) Variation in generation time reveals density regulation as an important driver of pace of life in a bird metapopulation. Ecology Letters
    Academic article
  • Ranke, Peter Sjolte; Araya-Ajoy, Yimen; Ringsby, Thor Harald; Pärn, Henrik; Rønning, Bernt; Jensen, Henrik. (2021) Spatial structure and dispersal dynamics in a house sparrow metapopulation. Journal of Animal Ecology
    Academic article
  • Pepke, Michael Le; Ringsby, Thor Harald; Jensen, Henrik; Kvalnes, Thomas; Wright, Jonathan. (2021) The ecological and evolutionary role of telomere length in house sparrows. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Doctoral dissertation

2020

  • Ringsby, Thor Harald; Nilsen, Erlend Birkeland; Eriksen, Lasse Frost; Eichholz, Emanuel. (2020) Optimal spatiotemporal harvest strategies for willow ptarmigan (Lagopus lagopus) in central Norway. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Lundregan, Sarah L.; Niskanen, Alina K.; Muff, Stefanie; Holand, Håkon; Kvalnes, Thomas; Ringsby, Thor-Harald. (2020) Resistance to gapeworm parasite has both additive and dominant genetic components in house sparrows, with evolutionary consequences for ability to respond to parasite challenge. Molecular Ecology
    Academic article
  • Dehnhard, Nina; Skei, Jørgen; Christensen-Dalsgaard, Signe; May, Roelof Frans; Halley, Duncan John; Ringsby, Thor Harald. (2020) Boat disturbance effects on moulting common eiders Somateria mollissima. Marine Biology
    Academic article
  • Niskanen, Alina Katariina; Billing, Anna Maria; Holand, Håkon; Hagen, Ingerid Julie; Araya-Ajoy, Yimen; Husby, Arild. (2020) Consistent scaling of inbreeding depression in space and time in a house sparrow metapopulation. Proceedings of the National Academy of Sciences of the United States of America (PNAS)
    Academic article
  • Ranke, Peter Sjolte; Skjelseth, Sigrun; Hagen, Ingerid Julie; Billing, Anna Maria; Pedersen, Åsa Alexandra Borg; Pärn, Henrik. (2020) Multi‑generational genetic consequences of reinforcement in a bird metapopulation. Conservation Genetics
    Academic article

2019

  • Holand, Håkon; Jensen, Henrik; Kvalnes, Thomas; Tufto, Jarle; Pärn, Henrik; Sæther, Bernt-Erik. (2019) Parasite prevalence increases with temperature in an avian metapopulation in northern Norway. Parasitology
    Academic article
  • Ranke, Peter Sjolte; Jensen, Henrik; Ringsby, Thor Harald; Pärn, Henrik; Sæther, Bernt-Erik. (2019) Demographic and genetic consequences of dispersal in house sparrows. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Doctoral dissertation
  • Thurmann-Nielsen, Cathrine Framstad; Ringsby, Thor Harald; Pepke, Michael Le; Rønning, Bernt; Kvalnes, Thomas. (2019) Nest Microclimate in Relation to Maternal Phenotypic Quality and Reproductive Success in a Wild Population of House Sparrows (Passer domesticus). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Julseth, Martin Gjestrud; Ringsby, Thor Harald; Rønning, Bernt; Pepke, Michael Le; Skei, Jon Kristian; Kvalnes, Thomas. (2019) The effect of arthropod availability on reproductive phenology and success in a multi-brooded passerine Passer domesticus. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Araya-Ajoy, Yimen; Ranke, Peter Sjolte; Kvalnes, Thomas; Rønning, Bernt; Holand, Håkon; Myhre, Ane Marlene. (2019) Characterizing morphological (co)variation using structural equation models: Body size, allometric relationships and evolvability in a house sparrow metapopulation. Evolution
    Academic article

2018

  • Lundregan, Sarah; Hagen, Ingerid Julie; Gohli, Jostein; Niskanen, Alina Katariina; Kemppainen, Petri; Ringsby, Thor Harald. (2018) Inferences of genetic architecture of bill morphology in house sparrow using a high-density SNP array point to a polygenic basis. Molecular Ecology
    Academic article
  • Kvalnes, Thomas; Røberg, Anja Ås; Jensen, Henrik; Holand, Håkon; Pärn, Henrik; Sæther, Bernt-Erik. (2018) Offspring fitness and the optimal propagule size in a fluctuating environment. Journal of Avian Biology
    Academic article
  • Jakobsen, Marte; Ringsby, Thor Harald; Pedersen, Michael Pepke; Kvalnes, Thomas; Rønning, Bernt. (2018) Spatiotemporal Variation and Fitness Consequences of Blood Hemoglobin Concentration in free-living House Sparrow (Passer domesticus) Nestlings. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Krogfjord, Mari; Ringsby, Thor Harald; Kvalnes, Thomas; Pedersen, Michael Pepke. (2018) Effects of Variation in Egg Size on Maternal Fitness in a Population of House Sparrows (Passer domesticus). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Johansen, Kristina; Ringsby, Thor Harald; Jensen, Henrik; Kvalnes, Thomas; Tufto, Jarle. (2018) Spatiotemporal variation in laying date and its impact on reproductive success in houses parrows (Passer domesticus). Norwegian University of Science and Technology Norwegian University of Science and Technology
    Masters thesis
  • Stavnås, Veronica Myhr; Nilsen, Erlend Birkeland; Ringsby, Thor Harald. (2018) Demographic determinants of population growth rate in willow ptarmigan (Lagopus lagopus) in Lierne, central Norway. Norges teknisk-naturvitenskapelige universitet (NTNU) Norges teknisk-naturvitenskapelige universitet (NTNU)
    Masters thesis
  • Talal, Mohammad; Wright, Jonathan; Jensen, Henrik; Ringsby, Thor Harald. (2018) Individual variation and indirect social effects in Producer-Scrounger behavior in the House Sparrow, Passer domesticus. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis

2017

  • Stubberud, Marlene Wæge; Myhre, Ane Marlene; Holand, Håkon; Kvalnes, Thomas; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2017) Sensitivity analysis of effective population size to demographic parameters in house sparrow populations. Molecular Ecology
    Academic article
  • Kvalnes, Thomas; Ringsby, Thor Harald; Jensen, Henrik; Hagen, Ingerid Julie; Rønning, Bernt; Pärn, Henrik. (2017) Reversal of response to artificial selection on body size in a wild passerine bird. Evolution
    Academic article
  • Silva, Catarina; McFarlane, S. Eryn; Hagen, Ingerid Julie; Rönnegård, Lars; Billing, Anna Maria; Kvalnes, Thomas. (2017) Insights into the genetic architecture of morphological and sexually selected traits in two passerine bird species. Heredity
    Academic article
  • Ranke, Peter Sjolte; Skjelseth, Sigrun; Pärn, Henrik; Herfindal, Ivar; Pedersen, Åsa Alexandra Borg; Stokke, Bård Gunnar. (2017) Demographic influences of translocated individuals on a resident population of house sparrows. Oikos
    Academic article
  • Kemppainen, Petri; Rønning, Bernt; Kvalnes, Thomas; Hagen, Ingerid Julie; Ringsby, Thor Harald; Billing, Anna Maria. (2017) Controlling for P-value inflation in allele frequency change in experimental evolution and artificial selection experiments. Molecular Ecology Resources
    Academic article
  • Pettersen, Nils Håkon; Wright, Jonathan; Jensen, Henrik; Ringsby, Thor Harald; Rønning, Bernt. (2017) Indirect social effects of the individual strategy in producer-scrounger foraging interactions. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis

2016

  • Nossen, Ida; Ciesielski, Tomasz Maciej; Dimmen, Malene Vågen; Jensen, Henrik; Ringsby, Thor Harald; Polder, Anuschka. (2016) Steroids in house sparrows (Passer domesticus): Effects of POPs and male quality signalling. Science of the Total Environment
    Academic article
  • Holand, Håkon; Kvalnes, Thomas; Gamelon, Marlène; Tufto, Jarle; Jensen, Henrik; Pärn, Henrik. (2016) Spatial variation in senescence rates in a bird metapopulation. Oecologia
    Academic article
  • Rønning, Bernt; Broggi, Juli; Bech, Claus; Moe, Børge; Ringsby, Thor Harald; Pärn, Henrik. (2016) Is basal metabolic rate associated with recruit production and survival in free-living house sparrows?. Functional Ecology
    Academic article
  • Danielsen, Preben; Ringsby, Thor Harald; Hansen, Brage Bremset; Varpe, Øystein; Veiberg, Vebjørn. (2016) Climate trends, weather fluctuations and calving phenology in Svalbard reindeer (Rangifer tarandus platyrhynchus). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Lindstrøm, Ingrid Marie; Solberg, Erling Johan; Rolandsen, Christer Moe; Bram, Van Moorter; Ringsby, Thor Harald. (2016) No mitigating effects of roadside vegetation clearing on ungulate-vehicle collisions in Nord-Trøndelag. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Wright, Jonathan; Finnøen, Mette Helene; Jensen, Henrik; Ringsby, Thor Harald; Rønning, Bernt. (2016) Personality and pace-of-life behavioral syndromes in a model species, the House Sparrow (Passer domesticus). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Olsen, Mirja Carola; Wright, Jonathan; Jensen, Henrik; Ringsby, Thor Harald; Rønning, Bernt. (2016) Linking variation in personality and behavioural syndromes to social foraging and producer-scrounger effects in house sparrows (Passer domesticus). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis

2015

  • Wright, Jonathan; Jensen, Henrik; Ringsby, Thor Harald; Pärn, Henrik; Rønning, Bernt; Sommerli, Sindre Lysfjord. (2015) Personality and Innovation in House Sparrows - Evolutionary and Demographic Consequences of Individual Phenotypic Differences. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Holand, Håkon; Jensen, Henrik; Tufto, Jarle; Pärn, Henrik; Sæther, Bernt-Erik; Ringsby, Thor Harald. (2015) Endoparasite infection has both short- and long-term negative effects on reproductive success of female house sparrows, as revealed by faecal parasitic egg counts. PLOS ONE
    Academic article
  • Ringsby, Thor Harald; Jensen, Henrik; Pärn, Henrik; Kvalnes, Thomas; Boner, Winnie; Gillespie, Robert. (2015) On being the right size: Increased body size is associated with reduced telomere length under natural conditions. Proceedings of the Royal Society of London. Biological Sciences
    Academic article
  • Ringsby, Thor Harald; Kvalnes, Thomas; Jensen, Henrik; Røberg, Anja Ås. (2015) Effects of Variation in Egg Size on Offspring Fitness in Populations of House Sparrow (Passer domesticus). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Skøien, Elida Aarstad; Ringsby, Thor Harald; Fossøy, Frode; Hansen, Brage Bremset; Varpe, Øystein; Stokke, Bård Gunnar. (2015) Causes and Consequences of Breeding Synchrony in the Snow Bunting (Plectrophenax nivalis ). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Rijcke, Sandra De; Ringsby, Thor Harald; Lorentsen, Svein Håkon. (2015) Foraging behaviour of the European shag during early chick-rearing period; do they follow the marginal value theorem?. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Skøien, Elida Arstad; Ringsby, Thor Harald; Hansen, Brage Bremset; Fossøy, Frode; Stokke, Bård Gunnar; Varpe, Øystein. (2015) Causes and Consequences of Breeding Synchrony in the Snow Bunting (Plectrophenax nivalis). Institutt for biologi, Norges teknisk-naturvitenskapelige universitet Institutt for biologi, Norges teknisk-naturvitenskapelige universitet
    Masters thesis

2014

  • Holand, Håkon; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2014) The parasite Syngamus trachea in a metapopulation of house sparrows. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU, 1503-8181 (2014:178)
    Doctoral dissertation
  • Baalsrud, Helle Tessand; Sæther, Bernt-Erik; Hagen, Ingerid Julie; Myhre, Ane Marlene; Ringsby, Thor Harald; Pärn, Henrik. (2014) Effects of population characteristics and structure on estimates of effective population size in a house sparrow metapopulation. Molecular Ecology
    Academic article
  • Huseby, O.; Ringsby, Thor Harald; Rolandsen, Christer Moe; Moorter, Bram Van; Herfindal, Ivar; Solberg, Erling Johan. (2014) Sesongvariasjon i elgens aktivitet gjennom døgnet påvirker når og hvor den påkjøres. Hjorteviltet
    Popular scientific article
  • Dimmen, Malene Vågen; Jenssen, Bjørn Munro; Ciesielski, Tomasz Maciej; Jensen, Henrik; Ringsby, Thor Harald. (2014) Levels and effects of persistent organic pollutants (POPs) on circulating thyroid hormones in house sparrows (Passer domesticus) from Leka, Norway. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Holand, Håkon; Jensen, Henrik; Tufto, Jarle; Soliman, Mustafa M.; Pärn, Henrik; Sæther, Bernt-Erik. (2014) Lower survival probability of house sparrows severely infected by the gapeworm parasite. Journal of Avian Biology
    Academic article
  • Skei, Jørgen; Ringsby, Thor Harald; Lorentsen, Svein Håkon. (2014) Exploring Moulting Common Eider (Somateria mollissima) Escape Responses towards Ship Traffic. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Nossen, Ida; Jenssen, Bjørn Munro; Ciesielski, Tomasz Maciej; Jensen, Henrik; Ringsby, Thor Harald. (2014) Possible Effects of Persistent Organic Pollutants on Steroid Hormone Homeostasis in House Sparrows (Passer domesticus) from Helgeland, Norway. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis

2013

  • Ofstad, Endre Grüner; Ringsby, Thor Harald; Herfindal, Ivar; Solberg, Erling Johan; Rolandsen, Christer Moe; Moorter, Bram F. A. Van. (2013) Seasonal Variation in Site Fidelity of Moose (Alces alces). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Huseby, Oddmund; Ringsby, Thor Harald; Solberg, Erling Johan; Herfindal, Ivar; Moorter, Bram F. A. Van; Rolandsen, Christer Moe. (2013) Spatio-temporal variation in moose-vehicle collisions: the effect of varying traffic intensity and light conditions. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Gressetvold, Marit; Ringsby, Thor Harald; Lorentsen, Svein-Håkon. (2013) Identifying Conservative Criteria for (environmental) Assessments of Vulnerability;: Seabirds and Offshore Wind Farms as a Case Study. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Melis, Claudia; Borg, Åsa Alexandra; Jensen, Henrik; Bjørkvoll, Eirin Marie; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2013) Genetic variability and structure of the water vole Arvicola amphibius across four metapopulations in northern Norway. Ecology and Evolution
    Academic article
  • Kvalnes, Thomas; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2013) Correlates of egg size variation in a population of house sparrow Passer domesticus. Oecologia
    Academic article
  • Holand, Håkon; Jensen, Henrik; Tufto, Jarle; Sæther, Bernt-Erik; Ringsby, Thor Harald. (2013) Temporal and spatial variation in prevalence of the parasite Syngamus trachea in a metapopulation of House Sparrows (Passer domesticus). Parasitology
    Academic article
  • Ringsby, Thor Harald; Holand, Håkon; Jensen, Henrik; Pärn, Henrik; Vastveit, Helene Russell. (2013) Spatial and temporal variation in hippoboscid parasitism by Ornithomya chloropus on house sparrows (Passer domesticus) and its effect on survival. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis

2012

  • Tufto, Jarle; Lande, Russell; Ringsby, Thor Harald; Engen, Steinar; Sæther, Bernt-Erik; Walla, T. R.. (2012) Estimating Brownian motion dispersal rate, longevity and population density from spatially explicit mark-recapture data on tropical butterflies. Journal of Animal Ecology
    Academic article
  • Billing, Anna Maria; Lee, Aline Magdalena; Skjelseth, Sigrun; Borg, Åsa Alexandra; Hale, M. C.; Slate, J. (2012) Evidence of inbreeding depression but not inbreeding avoidance in a natural house sparrow population. Molecular Ecology
    Academic article
  • Parn, Henrik; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2012) Spatial heterogeneity in the effects of climate and density-dependence on dispersal in a house sparrow metapopulation. Proceedings of the Royal Society of London. Biological Sciences
    Academic article

2011

  • Kristiansen, Atle Torvik; Sæther, Bernt-Erik; Ringsby, Thor Harald; Jensen, Henrik. (2011) Genetic variation in a metapopulation of house sparrows: The interplay of population size and dispersal. NTNU, Institutt for biologi NTNU, Institutt for biologi
    Masters thesis
  • Melis, Claudia; Holmern, Tomas; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2011) Who ends up in the eagle owl pellets? A new method to assess whether water voles experience different predation risk. Mammalian Biology
    Academic article
  • Ringsby, Thor Harald; Odden, John. (2011) The ecology of a conflict: Eurasian lynx depredation on domestic sheep. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Doctoral dissertation

2010

  • Kvalnes, Thomas; Sæther, Bernt-Erik; Ringsby, Thor Harald; Jensen, Henrik. (2010) Correlates of egg size variation in a population of house sparrow Passer domesticus. NTNU, Institutt for biologi NTNU, Institutt for biologi
    Masters thesis

2009

  • Holand, Håkon; Sæther, Bernt-Erik; Ringsby, Thor Harald; Jensen, Henrik. (2009) Effects of the parasitic gapeworm (Syngamus trachea) on survival in house sparrows (Passer domesticus). NTNU, Institutt for biologi NTNU, Institutt for biologi
    Masters thesis
  • Parn, Henrik; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2009) Sex-specific fitness correlates of dispersal in a house sparrow metapopulation. Journal of Animal Ecology
    Academic article
  • Ringsby, Thor Harald; Berge, Torborg; Sæther, Bernt-Erik; Jensen, Henrik. (2009) Reproductive success and individual variation in feeding frequency of House Sparrows (Passer domesticus). Journal of Ornithology = Journal fur Ornithologie
    Academic literature review

2008

  • Jones, OR; Gaillard, JM; Tuljapurkar, S; Alho, JS; Armitage, KB; Becker, PH. (2008) Senescence rates are determined by ranking on the fast-slow life-history continuum. Ecology Letters
    Academic article
  • Davidsen, Ole Roar; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2008) Size-related variation in survival rates of house sparrows (Passer domesticus) subject to artificial size-dependent selection. NTNU, Institutt for biologi NTNU, Institutt for biologi
    Masters thesis
  • Jensen, Henrik; Steinsland, Ingelin; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2008) Evolutionary dynamics of a sexual ornament in the house sparrow (Passer domesticus): The role of indirect selection within and between sexes. Evolution
    Academic literature review
  • Ciesielski, Tomasz Maciej; Jenssen, Bjørn Munro; Pedersen, Hans Christian; Bæk, K.; Skåre, Janneche Utne; Ringsby, Thor Harald. (2008) Decabrominated diphenyl ether in ptarmigans and sparrows in Norway. Organohalogen Compounds
    Academic article

2007

  • Skjelseth, Sigrun; Ringsby, Thor Harald; Tufto, Jarle; Jensen, Henrik; Sæther, Bernt-Erik. (2007) Dispersal of introduced house sparrows Passer domesticus: an experiment. Proceedings of the Royal Society of London. Biological Sciences
    Academic article
  • Jensen, Henrik; Bremset, Erlend Myre; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2007) Multilocus heterozygosity and inbreeding depression in an insular house sparrow metapopulation. Molecular Ecology
    Academic literature review
  • Engen, Steinar; Ringsby, Thor Harald; Sæther, Bernt-Erik; Lande, Russell; Jensen, Henrik; Lillegård, Magnar. (2007) Effective size of fluctuating populations with two sexes and overlapping generations. Evolution
    Academic article

2006

  • Solberg, E.J.; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2006) Fitness consequences of hybridization between house sparrows (Passer domesticus) and tree sparrows (P-montanus). Journal of Ornithology = Journal fur Ornithologie
    Academic article
  • Jensen, Henrik; Svorkmo-Lundberg, Torkild; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2006) Environmental influence and cohort effects in a sexual ornament in the house sparrow, Passer domesticus. Oikos
    Academic article
  • Bremset, Erlend Myre; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2006) Multilocus heterozygosity and inbreeding in an insular house sparrow metapopulation. NTNU, Institutt for biologi NTNU, Institutt for biologi
    Masters thesis
  • Ringsby, Thor Harald; Sæther, Bernt-Erik; Jensen, Henrik; Engen, Steinar. (2006) Demographic characteristics of extinction in a small, insular population of house sparrows in Northern Norway. Conservation Biology
    Academic article
  • Husby, Arild; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2006) Causes and consequences of adaptive seasonal sex ratio variation in house sparrows. Journal of Animal Ecology
    Academic article
  • Jensen, Henrik; Steinsland, Ingelin; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2006) Indirect selection as a constraint on the evolution of sexual ornaments and other morphological traits in the House Sparrow. Journal of Ornithology = Journal fur Ornithologie
    Abstract
  • Skjelseth, Sigrun; Ringsby, Thor Harald; Jensen, Henrik; Tufto, Jarle; Sæther, Bernt-Erik. (2006) Dispersal patterns within a meta-population of House Sparrows after an introduction experiment. Journal of Ornithology = Journal fur Ornithologie
    Abstract
  • Skei, Jon Kristian; Dolmen, Dag; Rønning, Lars; Ringsby, Thor Harald. (2006) Habitat use during the aquatic phase of the newts Triturus vulgaris (L.) and T. cristatus (Laurenti) in central Norway: proposition for a conservation and monitoring area. Amphibia-Reptilia
    Academic article

2005

  • Husby, Arild; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2005) Causes and consequences of sex ratio variation in house sparrows. NTNU, Institutt for biologi NTNU, Institutt for biologi
    Masters thesis
  • Larsen, Line-Kristin; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2005) Correlates of multiple paternity (MP) in a house sparrow, Passer domesticus, meta-population. NTNU, Institutt for biologi NTNU, Institutt for biologi
    Masters thesis
  • Tufto, Jarle; Ringsby, Thor Harald; Dhondt, A.A.; Andriaensen, Frank; Matthysen, Erik. (2005) A parametric model for estimation of dispersal patterns applied to five passerine spatially structured populations. The American Naturalist
    Academic article

2004

  • Jensen, Henrik; Sæther, Bernt-Erik; Ringsby, Thor Harald; Tufto, Jarle; Griffith, Simon C.; Ellegren, H. (2004) Lifetime reproductive success in relation to morphology in the house sparrow Passer domesticus. Journal of Animal Ecology
    Academic article

2003

  • Henriksen, Snorre; Aanes, Ronny; Sæther, Bernt-Erik; Ringsby, Thor Harald; Tufto, Jarle. (2003) Does availability of resources influence grazing strategies in female Svalbard reindeer?. Rangifer
    Academic article
  • Jensen, Henrik; Sæther, Bernt-Erik; Ringsby, Thor Harald; Tufto, Jarle; Griffith, S. C.; Ellegren, Hans. (2003) Sexual variation in heritability and genetic correlations of morphological traits in house sparrow (Passer domesticus). Journal of Evolutionary Biology
    Academic article

2002

  • Ringsby, Thor Harald; Sæther, Bernt-Erik; Tufto, Jarle; Jensen, Henrik; Solberg, Erling Johan. (2002) Asynchronous spatiotemporal variation in demography of a House Sparrow Passer domesticus metapopulation in a correlated environment. Ecology
    Academic article
  • Solberg, Erling Johan; Loison, Anne; Ringsby, Thor Harald; Sæther, Bernt-Erik; Heim, Morten. (2002) Biased adult sex ratio can affect fecundity in primiparous moose. Wildlife Biology
    Academic article

2000

  • Solberg, Erling Johan; Ringsby, Thor Harald; Altwegg, Andreas; Sæther, Bernt-Erik. (2000) Fertile House Sparrow X Tree Sparrow (Passer domesticus X Passer montanus) hybrids?. Journal of Ornithology = Journal fur Ornithologie
    Academic article
  • Altwegg, Res; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2000) Phenotypic correlates and consequences of dispersal in a metapopulation of house sparrows Passer domesticus. Journal of Animal Ecology
    Academic article

1999

  • Ringsby, Thor Harald; Sæther, Bernt-Erik; Altwegg, Andreas; Solberg, Erling Johan. (1999) Temporal and spatial variation in survival rates of a house sparrow metapopulation. Oikos
    Academic article
  • Sæther, Bernt-Erik; Ringsby, Thor Harald; Bakke, Øyvind; Solberg, Erling Johan. (1999) Spatial and temporal variation in demography of a house sparrow metapopulation. Ecology
    Academic article
  • Sæther, Bernt-Erik; Ringsby, Thor Harald; Bakke, Øyvind; Solberg, Erling Johan. (1999) Spatial and temporal variation in demography of a house sparrow metapopulation. Journal of Animal Ecology
    Academic article
  • Ringsby, Thor Harald; Sæther, Bernt-Erik; Altwegg, Res; Solberg, Erling Johan. (1999) Temporal and spatial variation in survival rates of a house sparrow, Passer domesticus, metapopulation. Oikos
    Academic article

1998

  • Ringsby, Thor Harald. (1998) Factors affecting juvenile survival and the consequences for local demography in a metapopulation of House Sparrows.
    Academic chapter/article/Conference paper
  • Ringsby, Thor Harald. (1998) Variation in Space and Time: The Biology of a House Sparrow Metapopulation. Zoologisk Institutt, Fakultet for Kjemi og Biologi, NTNU Zoologisk Institutt, Fakultet for Kjemi og Biologi, NTNU
    Doctoral dissertation
  • Ringsby, Thor Harald. (1998) Variation in space and time: the biology of a House sparrow metapopulation. [Mangler utgivernavn] [Mangler utgivernavn]
    Doctoral dissertation
  • Ringsby, Thor Harald; Sæther, Bernt-Erik; Solberg, Erling Johan. (1998) Factors affecting juvenile survival in House Sparrow Passer domesticus. Journal of Avian Biology
    Academic article
  • Tufto, Jarle; Solberg, E.J.; Ringsby, Thor Harald. (1998) Statistical models of transitive and intransitive dominance structures. Animal Behaviour
    Academic article

1997

  • Solberg, E.J.; Ringsby, Thor Harald. (1997) Does male badge size signal status in small island populations of House sparrows, Passer domesticus?. Ethology
    Academic article
  • Stewart, I.R.K.; Ringsby, Thor Harald; Solberg, E.J.. (1997) Absence of haematozoa in passerines from a Norwegian archipelago. Ornis Fennica
    Academic article

1996

  • Sæther, Bernt-Erik; Ringsby, Thor Harald; Røskaft, Eivin. (1996) Life history variation, population processes and priorities in species conservation : towards a reunion of research paradigms. Oikos
    Academic article

Journal publications

  • Eriksen, Lasse Frost; Ringsby, Thor Harald; Israelsen, Markus Fjellstad; Moa, Pål Fossland; Grøtan, Vidar; Nilsen, Erlend Birkeland. (2025) Climatic variation affects seasonal survival of an alpine bird species. Wildlife Biology
    Academic article
  • Ajoy, Yimen Gerardo Araya; Frank, Tor Hansson; Burnett, Hamish Andrew; Søraker, Jørgen Skavdal; Ranke, Peter Sjolte; Goedert, Debora. (2025) Assessing the 'Small Population' Paradigm: The Effects of Stochasticity on Evolutionary Change and Population Growth in a Bird Metapopulation. Ecology Letters
    Reader opinion piece
  • Saatoglu, Fikriye Dilan; Niskanen, Alina Katariina; Froy, Hannah; Ranke, Peter Sjolte; Goedert, Debora; Reid, Jane Margaret. (2025) Metapopulation-level analyses reveal positive fitness consequences of immigration in a small bird. Journal of Animal Ecology
    Academic article
  • McAuley, John B; Servin, Bertrand; Burnett, Hamish Andrew; Brekke, Cathrine; Peters, Lucy; Hagen, Ingerid Julie. (2024) The Genetic Architecture of Recombination Rates is Polygenic and Differs between the Sexes in Wild House Sparrows (Passer domesticus). Molecular Biology and Evolution (MBE)
    Academic article
  • Ranke, Peter Sjolte; Pepke, Michael Le; Søraker, Jørgen Skavdal; David, Gabriel; Ajoy, Yimen Gerardo Araya; Wright, Jonathan. (2024) Long-distance dispersal in the short-distance dispersing house sparrow (Passer domesticus). Ecology and Evolution
    Academic article
  • Htay, Thazin; Htoo, Kyaw Kyaw; Røskaft, Eivin; Ringsby, Thor Harald; Ranke, Peter Sjolte. (2024) Environmental Factors Affecting Spatio-Temporal Distribution of Crop-Exploiting Species: Implications for Coexistence Between Agricultural Production and Avifauna Conservation in Wetlands. Environmental Management
    Academic article
  • Htay, Thazin; Htoo, Kyaw Kyaw; Røskaft, Eivin; Ringsby, Thor Harald; Ranke, Peter Sjolte. (2023) Social and ecological drivers of illegal bird hunting in the Indawgyi wetland ecosystem in Myanmar. Conservation Science and Practice (CSP)
    Academic article
  • Pepke, Michael Le; Kvalnes, Thomas; Wright, Jonathan; Ajoy, Yimen Gerardo Araya; Ranke, Peter Sjolte; Boner, Winnie. (2023) Longitudinal telomere dynamics within natural lifespans of a wild bird. Scientific Reports
    Academic article
  • Htay, Thazin; Røskaft, Eivin; Ringsby, Thor Harald; Ranke, Peter Sjolte. (2023) Spatio-temporal variation in avian taxonomic, functional, and phylogenetic diversity and its relevance for conservation in a wetland ecosystem in Myanmar. Biodiversity and Conservation
    Academic article
  • Eriksen, Lasse Frost; Ringsby, Thor Harald; Pedersen, Hans Christian; Nilsen, Erlend Birkeland. (2023) Climatic forcing and individual heterogeneity in a resident mountain bird: legacy data reveal effects on reproductive strategies. Royal Society Open Science
    Academic article
  • Pepke, Michael Le; Ringsby, Thor Harald; Eisenberg, Dan T. A.. (2023) The evolution of early-life telomere length, pace-of-life and telomere-chromosome length dynamics in birds. Molecular Ecology
    Academic article
  • Nafstad, Ådne Messel; Rønning, Bernt; Aase, Kenneth; Ringsby, Thor Harald; Hagen, Ingerid Julie; Ranke, Peter Sjolte. (2023) Spatial variation in the evolutionary potential and constraints of basal metabolic rate and body mass in a wild bird. Journal of Evolutionary Biology
    Academic article
  • Pepke, Michael Le; Kvalnes, Thomas; Rønning, Bernt; Jensen, Henrik; Boner, Winnie; Sæther, Bernt-Erik. (2022) Artificial size selection experiment reveals telomere length dynamics and fitness consequences in a wild passerine. Molecular Ecology
    Academic article
  • Htay, Thazin; Ringsby, Thor Harald; Røskaft, Eivin; Ranke, Peter Sjolte. (2022) Promoting bird conservation in wetland-associated landscapes: Factors influencing avian crop damage and farmers’ attitudes. Global Ecology and Conservation
    Academic article
  • Mehlhoop, Anne Catriona; Moorter, Bram Van; Rolandsen, Christer Moe; Hagen, Dagmar; Granhus, Aksel; Eriksen, Rune. (2022) Moose in our neighborhood: Does perceived hunting risk have cascading effects on tree performance in vicinity of roads and houses?. Ecology and Evolution
    Academic article
  • Pepke, Michael Le; Kvalnes, Thomas; Ranke, Peter Sjolte; Araya-Ajoy, Yimen; Wright, Jonathan; Sæther, Bernt-Erik. (2022) Causes and consequences of variation in early-life telomere length in a bird metapopulation. Ecology and Evolution
    Academic article
  • Pepke, Michael Le; Niskanen, Alina Katariina; Kvalnes, Thomas; Boner, Winnie; Sæther, Bernt-Erik; Ringsby, Thor Harald. (2022) Inbreeding is associated with shorter early-life telomere length in a wild passerine. Conservation Genetics
    Academic article
  • Pepke, Michael Le; Kvalnes, Thomas; Lundregan, Sarah; Boner, Winnie; Monaghan, Pat; Sæther, Bernt-Erik. (2021) Genetic architecture and heritability of early-life telomere length in a wild passerine. Molecular Ecology
    Academic article
  • Saatoglu, Fikriye Dilan; Niskanen, Alina Katariina; Kuismin, Markku; Ranke, Peter Sjolte; Hagen, Ingerid Julie; Araya-Ajoy, Yimen. (2021) Dispersal in a house sparrow metapopulation: An integrative case study of genetic assignment calibrated with ecological data and pedigree information. Molecular Ecology
    Academic article
  • Araya-Ajoy, Yimen; Niskanen, Alina Katariina; Froy, Hannah; Ranke, Peter Sjolte; Kvalnes, Thomas; Rønning, Bernt. (2021) Variation in generation time reveals density regulation as an important driver of pace of life in a bird metapopulation. Ecology Letters
    Academic article
  • Ranke, Peter Sjolte; Araya-Ajoy, Yimen; Ringsby, Thor Harald; Pärn, Henrik; Rønning, Bernt; Jensen, Henrik. (2021) Spatial structure and dispersal dynamics in a house sparrow metapopulation. Journal of Animal Ecology
    Academic article
  • Lundregan, Sarah L.; Niskanen, Alina K.; Muff, Stefanie; Holand, Håkon; Kvalnes, Thomas; Ringsby, Thor-Harald. (2020) Resistance to gapeworm parasite has both additive and dominant genetic components in house sparrows, with evolutionary consequences for ability to respond to parasite challenge. Molecular Ecology
    Academic article
  • Dehnhard, Nina; Skei, Jørgen; Christensen-Dalsgaard, Signe; May, Roelof Frans; Halley, Duncan John; Ringsby, Thor Harald. (2020) Boat disturbance effects on moulting common eiders Somateria mollissima. Marine Biology
    Academic article
  • Niskanen, Alina Katariina; Billing, Anna Maria; Holand, Håkon; Hagen, Ingerid Julie; Araya-Ajoy, Yimen; Husby, Arild. (2020) Consistent scaling of inbreeding depression in space and time in a house sparrow metapopulation. Proceedings of the National Academy of Sciences of the United States of America (PNAS)
    Academic article
  • Ranke, Peter Sjolte; Skjelseth, Sigrun; Hagen, Ingerid Julie; Billing, Anna Maria; Pedersen, Åsa Alexandra Borg; Pärn, Henrik. (2020) Multi‑generational genetic consequences of reinforcement in a bird metapopulation. Conservation Genetics
    Academic article
  • Holand, Håkon; Jensen, Henrik; Kvalnes, Thomas; Tufto, Jarle; Pärn, Henrik; Sæther, Bernt-Erik. (2019) Parasite prevalence increases with temperature in an avian metapopulation in northern Norway. Parasitology
    Academic article
  • Araya-Ajoy, Yimen; Ranke, Peter Sjolte; Kvalnes, Thomas; Rønning, Bernt; Holand, Håkon; Myhre, Ane Marlene. (2019) Characterizing morphological (co)variation using structural equation models: Body size, allometric relationships and evolvability in a house sparrow metapopulation. Evolution
    Academic article
  • Lundregan, Sarah; Hagen, Ingerid Julie; Gohli, Jostein; Niskanen, Alina Katariina; Kemppainen, Petri; Ringsby, Thor Harald. (2018) Inferences of genetic architecture of bill morphology in house sparrow using a high-density SNP array point to a polygenic basis. Molecular Ecology
    Academic article
  • Kvalnes, Thomas; Røberg, Anja Ås; Jensen, Henrik; Holand, Håkon; Pärn, Henrik; Sæther, Bernt-Erik. (2018) Offspring fitness and the optimal propagule size in a fluctuating environment. Journal of Avian Biology
    Academic article
  • Stubberud, Marlene Wæge; Myhre, Ane Marlene; Holand, Håkon; Kvalnes, Thomas; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2017) Sensitivity analysis of effective population size to demographic parameters in house sparrow populations. Molecular Ecology
    Academic article
  • Kvalnes, Thomas; Ringsby, Thor Harald; Jensen, Henrik; Hagen, Ingerid Julie; Rønning, Bernt; Pärn, Henrik. (2017) Reversal of response to artificial selection on body size in a wild passerine bird. Evolution
    Academic article
  • Silva, Catarina; McFarlane, S. Eryn; Hagen, Ingerid Julie; Rönnegård, Lars; Billing, Anna Maria; Kvalnes, Thomas. (2017) Insights into the genetic architecture of morphological and sexually selected traits in two passerine bird species. Heredity
    Academic article
  • Ranke, Peter Sjolte; Skjelseth, Sigrun; Pärn, Henrik; Herfindal, Ivar; Pedersen, Åsa Alexandra Borg; Stokke, Bård Gunnar. (2017) Demographic influences of translocated individuals on a resident population of house sparrows. Oikos
    Academic article
  • Kemppainen, Petri; Rønning, Bernt; Kvalnes, Thomas; Hagen, Ingerid Julie; Ringsby, Thor Harald; Billing, Anna Maria. (2017) Controlling for P-value inflation in allele frequency change in experimental evolution and artificial selection experiments. Molecular Ecology Resources
    Academic article
  • Nossen, Ida; Ciesielski, Tomasz Maciej; Dimmen, Malene Vågen; Jensen, Henrik; Ringsby, Thor Harald; Polder, Anuschka. (2016) Steroids in house sparrows (Passer domesticus): Effects of POPs and male quality signalling. Science of the Total Environment
    Academic article
  • Holand, Håkon; Kvalnes, Thomas; Gamelon, Marlène; Tufto, Jarle; Jensen, Henrik; Pärn, Henrik. (2016) Spatial variation in senescence rates in a bird metapopulation. Oecologia
    Academic article
  • Rønning, Bernt; Broggi, Juli; Bech, Claus; Moe, Børge; Ringsby, Thor Harald; Pärn, Henrik. (2016) Is basal metabolic rate associated with recruit production and survival in free-living house sparrows?. Functional Ecology
    Academic article
  • Holand, Håkon; Jensen, Henrik; Tufto, Jarle; Pärn, Henrik; Sæther, Bernt-Erik; Ringsby, Thor Harald. (2015) Endoparasite infection has both short- and long-term negative effects on reproductive success of female house sparrows, as revealed by faecal parasitic egg counts. PLOS ONE
    Academic article
  • Ringsby, Thor Harald; Jensen, Henrik; Pärn, Henrik; Kvalnes, Thomas; Boner, Winnie; Gillespie, Robert. (2015) On being the right size: Increased body size is associated with reduced telomere length under natural conditions. Proceedings of the Royal Society of London. Biological Sciences
    Academic article
  • Baalsrud, Helle Tessand; Sæther, Bernt-Erik; Hagen, Ingerid Julie; Myhre, Ane Marlene; Ringsby, Thor Harald; Pärn, Henrik. (2014) Effects of population characteristics and structure on estimates of effective population size in a house sparrow metapopulation. Molecular Ecology
    Academic article
  • Huseby, O.; Ringsby, Thor Harald; Rolandsen, Christer Moe; Moorter, Bram Van; Herfindal, Ivar; Solberg, Erling Johan. (2014) Sesongvariasjon i elgens aktivitet gjennom døgnet påvirker når og hvor den påkjøres. Hjorteviltet
    Popular scientific article
  • Holand, Håkon; Jensen, Henrik; Tufto, Jarle; Soliman, Mustafa M.; Pärn, Henrik; Sæther, Bernt-Erik. (2014) Lower survival probability of house sparrows severely infected by the gapeworm parasite. Journal of Avian Biology
    Academic article
  • Melis, Claudia; Borg, Åsa Alexandra; Jensen, Henrik; Bjørkvoll, Eirin Marie; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2013) Genetic variability and structure of the water vole Arvicola amphibius across four metapopulations in northern Norway. Ecology and Evolution
    Academic article
  • Kvalnes, Thomas; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2013) Correlates of egg size variation in a population of house sparrow Passer domesticus. Oecologia
    Academic article
  • Holand, Håkon; Jensen, Henrik; Tufto, Jarle; Sæther, Bernt-Erik; Ringsby, Thor Harald. (2013) Temporal and spatial variation in prevalence of the parasite Syngamus trachea in a metapopulation of House Sparrows (Passer domesticus). Parasitology
    Academic article
  • Tufto, Jarle; Lande, Russell; Ringsby, Thor Harald; Engen, Steinar; Sæther, Bernt-Erik; Walla, T. R.. (2012) Estimating Brownian motion dispersal rate, longevity and population density from spatially explicit mark-recapture data on tropical butterflies. Journal of Animal Ecology
    Academic article
  • Billing, Anna Maria; Lee, Aline Magdalena; Skjelseth, Sigrun; Borg, Åsa Alexandra; Hale, M. C.; Slate, J. (2012) Evidence of inbreeding depression but not inbreeding avoidance in a natural house sparrow population. Molecular Ecology
    Academic article
  • Parn, Henrik; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2012) Spatial heterogeneity in the effects of climate and density-dependence on dispersal in a house sparrow metapopulation. Proceedings of the Royal Society of London. Biological Sciences
    Academic article
  • Melis, Claudia; Holmern, Tomas; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2011) Who ends up in the eagle owl pellets? A new method to assess whether water voles experience different predation risk. Mammalian Biology
    Academic article
  • Parn, Henrik; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2009) Sex-specific fitness correlates of dispersal in a house sparrow metapopulation. Journal of Animal Ecology
    Academic article
  • Ringsby, Thor Harald; Berge, Torborg; Sæther, Bernt-Erik; Jensen, Henrik. (2009) Reproductive success and individual variation in feeding frequency of House Sparrows (Passer domesticus). Journal of Ornithology = Journal fur Ornithologie
    Academic literature review
  • Jones, OR; Gaillard, JM; Tuljapurkar, S; Alho, JS; Armitage, KB; Becker, PH. (2008) Senescence rates are determined by ranking on the fast-slow life-history continuum. Ecology Letters
    Academic article
  • Jensen, Henrik; Steinsland, Ingelin; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2008) Evolutionary dynamics of a sexual ornament in the house sparrow (Passer domesticus): The role of indirect selection within and between sexes. Evolution
    Academic literature review
  • Ciesielski, Tomasz Maciej; Jenssen, Bjørn Munro; Pedersen, Hans Christian; Bæk, K.; Skåre, Janneche Utne; Ringsby, Thor Harald. (2008) Decabrominated diphenyl ether in ptarmigans and sparrows in Norway. Organohalogen Compounds
    Academic article
  • Skjelseth, Sigrun; Ringsby, Thor Harald; Tufto, Jarle; Jensen, Henrik; Sæther, Bernt-Erik. (2007) Dispersal of introduced house sparrows Passer domesticus: an experiment. Proceedings of the Royal Society of London. Biological Sciences
    Academic article
  • Jensen, Henrik; Bremset, Erlend Myre; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2007) Multilocus heterozygosity and inbreeding depression in an insular house sparrow metapopulation. Molecular Ecology
    Academic literature review
  • Engen, Steinar; Ringsby, Thor Harald; Sæther, Bernt-Erik; Lande, Russell; Jensen, Henrik; Lillegård, Magnar. (2007) Effective size of fluctuating populations with two sexes and overlapping generations. Evolution
    Academic article
  • Solberg, E.J.; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2006) Fitness consequences of hybridization between house sparrows (Passer domesticus) and tree sparrows (P-montanus). Journal of Ornithology = Journal fur Ornithologie
    Academic article
  • Jensen, Henrik; Svorkmo-Lundberg, Torkild; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2006) Environmental influence and cohort effects in a sexual ornament in the house sparrow, Passer domesticus. Oikos
    Academic article
  • Ringsby, Thor Harald; Sæther, Bernt-Erik; Jensen, Henrik; Engen, Steinar. (2006) Demographic characteristics of extinction in a small, insular population of house sparrows in Northern Norway. Conservation Biology
    Academic article
  • Husby, Arild; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2006) Causes and consequences of adaptive seasonal sex ratio variation in house sparrows. Journal of Animal Ecology
    Academic article
  • Jensen, Henrik; Steinsland, Ingelin; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2006) Indirect selection as a constraint on the evolution of sexual ornaments and other morphological traits in the House Sparrow. Journal of Ornithology = Journal fur Ornithologie
    Abstract
  • Skjelseth, Sigrun; Ringsby, Thor Harald; Jensen, Henrik; Tufto, Jarle; Sæther, Bernt-Erik. (2006) Dispersal patterns within a meta-population of House Sparrows after an introduction experiment. Journal of Ornithology = Journal fur Ornithologie
    Abstract
  • Skei, Jon Kristian; Dolmen, Dag; Rønning, Lars; Ringsby, Thor Harald. (2006) Habitat use during the aquatic phase of the newts Triturus vulgaris (L.) and T. cristatus (Laurenti) in central Norway: proposition for a conservation and monitoring area. Amphibia-Reptilia
    Academic article
  • Tufto, Jarle; Ringsby, Thor Harald; Dhondt, A.A.; Andriaensen, Frank; Matthysen, Erik. (2005) A parametric model for estimation of dispersal patterns applied to five passerine spatially structured populations. The American Naturalist
    Academic article
  • Jensen, Henrik; Sæther, Bernt-Erik; Ringsby, Thor Harald; Tufto, Jarle; Griffith, Simon C.; Ellegren, H. (2004) Lifetime reproductive success in relation to morphology in the house sparrow Passer domesticus. Journal of Animal Ecology
    Academic article
  • Henriksen, Snorre; Aanes, Ronny; Sæther, Bernt-Erik; Ringsby, Thor Harald; Tufto, Jarle. (2003) Does availability of resources influence grazing strategies in female Svalbard reindeer?. Rangifer
    Academic article
  • Jensen, Henrik; Sæther, Bernt-Erik; Ringsby, Thor Harald; Tufto, Jarle; Griffith, S. C.; Ellegren, Hans. (2003) Sexual variation in heritability and genetic correlations of morphological traits in house sparrow (Passer domesticus). Journal of Evolutionary Biology
    Academic article
  • Ringsby, Thor Harald; Sæther, Bernt-Erik; Tufto, Jarle; Jensen, Henrik; Solberg, Erling Johan. (2002) Asynchronous spatiotemporal variation in demography of a House Sparrow Passer domesticus metapopulation in a correlated environment. Ecology
    Academic article
  • Solberg, Erling Johan; Loison, Anne; Ringsby, Thor Harald; Sæther, Bernt-Erik; Heim, Morten. (2002) Biased adult sex ratio can affect fecundity in primiparous moose. Wildlife Biology
    Academic article
  • Solberg, Erling Johan; Ringsby, Thor Harald; Altwegg, Andreas; Sæther, Bernt-Erik. (2000) Fertile House Sparrow X Tree Sparrow (Passer domesticus X Passer montanus) hybrids?. Journal of Ornithology = Journal fur Ornithologie
    Academic article
  • Altwegg, Res; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2000) Phenotypic correlates and consequences of dispersal in a metapopulation of house sparrows Passer domesticus. Journal of Animal Ecology
    Academic article
  • Ringsby, Thor Harald; Sæther, Bernt-Erik; Altwegg, Andreas; Solberg, Erling Johan. (1999) Temporal and spatial variation in survival rates of a house sparrow metapopulation. Oikos
    Academic article
  • Sæther, Bernt-Erik; Ringsby, Thor Harald; Bakke, Øyvind; Solberg, Erling Johan. (1999) Spatial and temporal variation in demography of a house sparrow metapopulation. Ecology
    Academic article
  • Sæther, Bernt-Erik; Ringsby, Thor Harald; Bakke, Øyvind; Solberg, Erling Johan. (1999) Spatial and temporal variation in demography of a house sparrow metapopulation. Journal of Animal Ecology
    Academic article
  • Ringsby, Thor Harald; Sæther, Bernt-Erik; Altwegg, Res; Solberg, Erling Johan. (1999) Temporal and spatial variation in survival rates of a house sparrow, Passer domesticus, metapopulation. Oikos
    Academic article
  • Ringsby, Thor Harald; Sæther, Bernt-Erik; Solberg, Erling Johan. (1998) Factors affecting juvenile survival in House Sparrow Passer domesticus. Journal of Avian Biology
    Academic article
  • Tufto, Jarle; Solberg, E.J.; Ringsby, Thor Harald. (1998) Statistical models of transitive and intransitive dominance structures. Animal Behaviour
    Academic article
  • Solberg, E.J.; Ringsby, Thor Harald. (1997) Does male badge size signal status in small island populations of House sparrows, Passer domesticus?. Ethology
    Academic article
  • Stewart, I.R.K.; Ringsby, Thor Harald; Solberg, E.J.. (1997) Absence of haematozoa in passerines from a Norwegian archipelago. Ornis Fennica
    Academic article
  • Sæther, Bernt-Erik; Ringsby, Thor Harald; Røskaft, Eivin. (1996) Life history variation, population processes and priorities in species conservation : towards a reunion of research paradigms. Oikos
    Academic article

Part of book/report

  • Ringsby, Thor Harald. (1998) Factors affecting juvenile survival and the consequences for local demography in a metapopulation of House Sparrows.
    Academic chapter/article/Conference paper

Report

  • Eriksen, Lasse Frost; Nilsen, Erlend Birkeland; Ringsby, Thor Harald; Moa, Pål Fossland; Grøtan, Vidar. (2024) Life history traits and demography of a mountain bird under climatic variation. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Doctoral dissertation
  • Gholami, Fatemeh; Jensen, Henrik; Ringsby, Thor Harald; Kvalnes, Thomas; Burnett, Hamish Andrew. (2023) Effect of inbreeding on egg size and clutch size in an insular house sparrow metapopulation in northern Norway. Norwegian University of Science and Technology Norwegian University of Science and Technology
    Masters thesis
  • Oddvik, Vilde Jonasson; Ringsby, Thor Harald; Christensen-Dalsgaard, Signe; Kvalnes, Thomas. (2023) The Effects of Diet and Weather on Early-life Growth and Survival in Atlantic Puffin Nestlings in Northern Norway. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Saugestad, Margrete; Ringsby, Thor Harald; Kvalnes, Thomas; Ranke, Peter Sjolte; Pepke, Michael Le. (2023) The influence of arthropods availability on fledgling morphology and reproductive success in wild house sparrows. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Kazemi, Maryam; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik; Burnett, Hamish Andrew; Myhre, Ane Marlene. (2023) Demographic changes in female-skewed populations of house sparrow (Passer domesticus). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Mehlhoop, Anne Catriona; Moorter, Bram Van; Ringsby, Thor Harald; Hagen, Dagmar; Rolandsen, Christer Moe; Evju, Marianne. (2022) Evaluating mitigation measures to reduce negative impacts of infrastructure construction on vegetation and wildlife. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Doctoral dissertation
  • Søraker, Jørgen Skavdal; Jensen, Henrik; Sæther, Bernt-Erik; Wright, Jonathan; Ranke, Peter Sjolte; Ringsby, Thor Harald. (2022) Disentangling the age-dependent causal pathways affecting multiple paternity in house sparrows. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Bjørsrud, Maren Sofie; Ringsby, Thor Harald; Kvalnes, Thomas; Pepke, Michael Le; Ranke, Peter Sjolte. (2022) Predator-Induced Selection on Phenotypes by Sparrowhawks (Accipiter nisus) in House sparrows (Passer domesticus). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Muller, Amandine Sophie; Jensen, Henrik; Araya-Ajoy, Yimen; Husby, Arild; Kvalnes, Thomas; Lundregan, Sarah. (2021) Effects of inbreeding on lay date in house sparrows (Passer domesticus). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Gravelsæther, Maria Margareth Angelil; Ringsby, Thor Harald; Fossøy, Frode; Stokke, Bård Gunnar; Hansen, Brage Bremset. (2021) Effects of arthropod abundance on reproductive success in Svalbard snow bunting (Plectrophenax nivalis). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Pepke, Michael Le; Ringsby, Thor Harald; Jensen, Henrik; Kvalnes, Thomas; Wright, Jonathan. (2021) The ecological and evolutionary role of telomere length in house sparrows. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Doctoral dissertation
  • Ringsby, Thor Harald; Nilsen, Erlend Birkeland; Eriksen, Lasse Frost; Eichholz, Emanuel. (2020) Optimal spatiotemporal harvest strategies for willow ptarmigan (Lagopus lagopus) in central Norway. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Ranke, Peter Sjolte; Jensen, Henrik; Ringsby, Thor Harald; Pärn, Henrik; Sæther, Bernt-Erik. (2019) Demographic and genetic consequences of dispersal in house sparrows. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Doctoral dissertation
  • Thurmann-Nielsen, Cathrine Framstad; Ringsby, Thor Harald; Pepke, Michael Le; Rønning, Bernt; Kvalnes, Thomas. (2019) Nest Microclimate in Relation to Maternal Phenotypic Quality and Reproductive Success in a Wild Population of House Sparrows (Passer domesticus). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Julseth, Martin Gjestrud; Ringsby, Thor Harald; Rønning, Bernt; Pepke, Michael Le; Skei, Jon Kristian; Kvalnes, Thomas. (2019) The effect of arthropod availability on reproductive phenology and success in a multi-brooded passerine Passer domesticus. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Jakobsen, Marte; Ringsby, Thor Harald; Pedersen, Michael Pepke; Kvalnes, Thomas; Rønning, Bernt. (2018) Spatiotemporal Variation and Fitness Consequences of Blood Hemoglobin Concentration in free-living House Sparrow (Passer domesticus) Nestlings. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Krogfjord, Mari; Ringsby, Thor Harald; Kvalnes, Thomas; Pedersen, Michael Pepke. (2018) Effects of Variation in Egg Size on Maternal Fitness in a Population of House Sparrows (Passer domesticus). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Johansen, Kristina; Ringsby, Thor Harald; Jensen, Henrik; Kvalnes, Thomas; Tufto, Jarle. (2018) Spatiotemporal variation in laying date and its impact on reproductive success in houses parrows (Passer domesticus). Norwegian University of Science and Technology Norwegian University of Science and Technology
    Masters thesis
  • Stavnås, Veronica Myhr; Nilsen, Erlend Birkeland; Ringsby, Thor Harald. (2018) Demographic determinants of population growth rate in willow ptarmigan (Lagopus lagopus) in Lierne, central Norway. Norges teknisk-naturvitenskapelige universitet (NTNU) Norges teknisk-naturvitenskapelige universitet (NTNU)
    Masters thesis
  • Talal, Mohammad; Wright, Jonathan; Jensen, Henrik; Ringsby, Thor Harald. (2018) Individual variation and indirect social effects in Producer-Scrounger behavior in the House Sparrow, Passer domesticus. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Pettersen, Nils Håkon; Wright, Jonathan; Jensen, Henrik; Ringsby, Thor Harald; Rønning, Bernt. (2017) Indirect social effects of the individual strategy in producer-scrounger foraging interactions. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Danielsen, Preben; Ringsby, Thor Harald; Hansen, Brage Bremset; Varpe, Øystein; Veiberg, Vebjørn. (2016) Climate trends, weather fluctuations and calving phenology in Svalbard reindeer (Rangifer tarandus platyrhynchus). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Lindstrøm, Ingrid Marie; Solberg, Erling Johan; Rolandsen, Christer Moe; Bram, Van Moorter; Ringsby, Thor Harald. (2016) No mitigating effects of roadside vegetation clearing on ungulate-vehicle collisions in Nord-Trøndelag. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Wright, Jonathan; Finnøen, Mette Helene; Jensen, Henrik; Ringsby, Thor Harald; Rønning, Bernt. (2016) Personality and pace-of-life behavioral syndromes in a model species, the House Sparrow (Passer domesticus). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Olsen, Mirja Carola; Wright, Jonathan; Jensen, Henrik; Ringsby, Thor Harald; Rønning, Bernt. (2016) Linking variation in personality and behavioural syndromes to social foraging and producer-scrounger effects in house sparrows (Passer domesticus). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Wright, Jonathan; Jensen, Henrik; Ringsby, Thor Harald; Pärn, Henrik; Rønning, Bernt; Sommerli, Sindre Lysfjord. (2015) Personality and Innovation in House Sparrows - Evolutionary and Demographic Consequences of Individual Phenotypic Differences. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Ringsby, Thor Harald; Kvalnes, Thomas; Jensen, Henrik; Røberg, Anja Ås. (2015) Effects of Variation in Egg Size on Offspring Fitness in Populations of House Sparrow (Passer domesticus). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Skøien, Elida Aarstad; Ringsby, Thor Harald; Fossøy, Frode; Hansen, Brage Bremset; Varpe, Øystein; Stokke, Bård Gunnar. (2015) Causes and Consequences of Breeding Synchrony in the Snow Bunting (Plectrophenax nivalis ). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Rijcke, Sandra De; Ringsby, Thor Harald; Lorentsen, Svein Håkon. (2015) Foraging behaviour of the European shag during early chick-rearing period; do they follow the marginal value theorem?. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Skøien, Elida Arstad; Ringsby, Thor Harald; Hansen, Brage Bremset; Fossøy, Frode; Stokke, Bård Gunnar; Varpe, Øystein. (2015) Causes and Consequences of Breeding Synchrony in the Snow Bunting (Plectrophenax nivalis). Institutt for biologi, Norges teknisk-naturvitenskapelige universitet Institutt for biologi, Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Holand, Håkon; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2014) The parasite Syngamus trachea in a metapopulation of house sparrows. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU, 1503-8181 (2014:178)
    Doctoral dissertation
  • Dimmen, Malene Vågen; Jenssen, Bjørn Munro; Ciesielski, Tomasz Maciej; Jensen, Henrik; Ringsby, Thor Harald. (2014) Levels and effects of persistent organic pollutants (POPs) on circulating thyroid hormones in house sparrows (Passer domesticus) from Leka, Norway. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Skei, Jørgen; Ringsby, Thor Harald; Lorentsen, Svein Håkon. (2014) Exploring Moulting Common Eider (Somateria mollissima) Escape Responses towards Ship Traffic. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Nossen, Ida; Jenssen, Bjørn Munro; Ciesielski, Tomasz Maciej; Jensen, Henrik; Ringsby, Thor Harald. (2014) Possible Effects of Persistent Organic Pollutants on Steroid Hormone Homeostasis in House Sparrows (Passer domesticus) from Helgeland, Norway. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Ofstad, Endre Grüner; Ringsby, Thor Harald; Herfindal, Ivar; Solberg, Erling Johan; Rolandsen, Christer Moe; Moorter, Bram F. A. Van. (2013) Seasonal Variation in Site Fidelity of Moose (Alces alces). Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Huseby, Oddmund; Ringsby, Thor Harald; Solberg, Erling Johan; Herfindal, Ivar; Moorter, Bram F. A. Van; Rolandsen, Christer Moe. (2013) Spatio-temporal variation in moose-vehicle collisions: the effect of varying traffic intensity and light conditions. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Gressetvold, Marit; Ringsby, Thor Harald; Lorentsen, Svein-Håkon. (2013) Identifying Conservative Criteria for (environmental) Assessments of Vulnerability;: Seabirds and Offshore Wind Farms as a Case Study. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Ringsby, Thor Harald; Holand, Håkon; Jensen, Henrik; Pärn, Henrik; Vastveit, Helene Russell. (2013) Spatial and temporal variation in hippoboscid parasitism by Ornithomya chloropus on house sparrows (Passer domesticus) and its effect on survival. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Masters thesis
  • Kristiansen, Atle Torvik; Sæther, Bernt-Erik; Ringsby, Thor Harald; Jensen, Henrik. (2011) Genetic variation in a metapopulation of house sparrows: The interplay of population size and dispersal. NTNU, Institutt for biologi NTNU, Institutt for biologi
    Masters thesis
  • Ringsby, Thor Harald; Odden, John. (2011) The ecology of a conflict: Eurasian lynx depredation on domestic sheep. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Doctoral dissertation
  • Kvalnes, Thomas; Sæther, Bernt-Erik; Ringsby, Thor Harald; Jensen, Henrik. (2010) Correlates of egg size variation in a population of house sparrow Passer domesticus. NTNU, Institutt for biologi NTNU, Institutt for biologi
    Masters thesis
  • Holand, Håkon; Sæther, Bernt-Erik; Ringsby, Thor Harald; Jensen, Henrik. (2009) Effects of the parasitic gapeworm (Syngamus trachea) on survival in house sparrows (Passer domesticus). NTNU, Institutt for biologi NTNU, Institutt for biologi
    Masters thesis
  • Davidsen, Ole Roar; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2008) Size-related variation in survival rates of house sparrows (Passer domesticus) subject to artificial size-dependent selection. NTNU, Institutt for biologi NTNU, Institutt for biologi
    Masters thesis
  • Bremset, Erlend Myre; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2006) Multilocus heterozygosity and inbreeding in an insular house sparrow metapopulation. NTNU, Institutt for biologi NTNU, Institutt for biologi
    Masters thesis
  • Husby, Arild; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2005) Causes and consequences of sex ratio variation in house sparrows. NTNU, Institutt for biologi NTNU, Institutt for biologi
    Masters thesis
  • Larsen, Line-Kristin; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2005) Correlates of multiple paternity (MP) in a house sparrow, Passer domesticus, meta-population. NTNU, Institutt for biologi NTNU, Institutt for biologi
    Masters thesis
  • Ringsby, Thor Harald. (1998) Variation in Space and Time: The Biology of a House Sparrow Metapopulation. Zoologisk Institutt, Fakultet for Kjemi og Biologi, NTNU Zoologisk Institutt, Fakultet for Kjemi og Biologi, NTNU
    Doctoral dissertation
  • Ringsby, Thor Harald. (1998) Variation in space and time: the biology of a House sparrow metapopulation. [Mangler utgivernavn] [Mangler utgivernavn]
    Doctoral dissertation

Teaching

Courses

  • NATRBI3900 - Master Thesis in Natural Resources Management - Biology
  • BI1003 - Ecology, Behaviour, Evolution and Sustainability
  • RFEL3081 - Interdisciplinary Project for Environmental Sustainability
  • BI2033 - Population Ecology
  • RFEL3083 - Sustainable management: Internship
  • BI2034 - Community Ecology and Ecosystems

Outreach

2024

  • Interview
    Vaagland, Henriette; Ringsby, Thor Harald; Bjerva, Marthe Kristine Nes. (2024) Det yrer av fugleliv i Høgskoleparken - Og mer skal det bli. Universitetsavisa Universitetsavisa [Journal] 2024-05-29

2023

  • Poster
    Gholami, Fatemeh; Burnett, Hamish Andrew; Kvalnes, Thomas; Ringsby, Thor Harald; Jensen, Henrik. (2023) Inbreeding depression in egg and clutch size in house sparrows. OIKOS 2023 , Ås 2023-02-13 - 2023-02-15

2022

  • Academic lecture
    Htay, Thazin; Ringsby, Thor Harald; Røskaft, Eivin; Ranke, Peter Sjolte. (2022) Farmers’ Vulnerability and Acceptability of Avian Crop Damage. Pathways Europe 2022 , Wageningen University 2022-10-19 - 2022-10-21
  • Lecture
    Ringsby, Thor Harald. (2022) Knowledge for a more sustainable use of wild species. Nasjonal lansering av naturpanelets rapport om bærekraftig bruk av ville arter , Trondheim 2022-11-29 - 2022-11-29
  • Poster
    Ghimire, Kiran; Burnett, Hamish Andrew; Goedert, Debora; Ranke, Peter Sjolte; Muff, Stefanie; Ringsby, Thor Harald. (2022) Effects of inbreeding on nestling fitness in an insular house sparrow metapopulation in northern Norway. 5th Conference of Nordic Society OIKOS 2022 , Aarhus 2022-06-07 - 2022-06-10
  • Academic lecture
    Søraker, Jørgen Skavdal; Ranke, Peter Sjolte; Wright, Jonathan; Ringsby, Thor Harald; Sæther, Bernt-Erik; Jensen, Henrik. (2022) Disentangling the age-dependent causal pathways affecting multiple paternity in house sparrows. IX Hole-Nesting Bird Conference , Oxford 2022-09-06 - 2022-09-08
  • Poster
    Pepke, Michael Le; Kvalnes, Thomas; Boner, Winnie; Monaghan, Pat; Ranke, Peter Sjolte; Lundregan, Sarah. (2022) Causes and consequences of variation in early-life telomere length in a bird metapopulation. 5th Conference of Nordic Society OIKOS 2022 , Aarhus 2022-06-07 - 2022-06-10
  • Poster
    Pepke, Michael Le; Kvalnes, Thomas; Boner, Winnie; Niskanen, Alina Katariina; Lundregan, Sarah; Ranke, Peter Sjolte. (2022) The ecological and evolutionary role of early-life telomere length in wild house sparrows. Congress of the European Society for Evolutionary Biology 2022 , Praha 2022-08-14 - 2022-08-19

2021

  • Poster
    Moullec, Mathilde Le; Acker, Paul; Grøtan, Vidar; Lee, Aline Magdalena; Herfindal, Ivar; O'Hara, Bob. (2021) How can we assess temporal changes in population synchrony?. Annual Meeting of the British Ecological Society , Liverpool, UK 2021-12-12 - 2021-12-15

2020

  • Lecture
    Jensen, Henrik; Ringsby, Thor Harald; Lundregan, Sarah; Røsbak, Randi. (2020) Seleksjon og evolusjon i naturlige bestander. Forelesning i forbindelse med besøk av Biologi OL-elever , Trondheim 2020-01-14 - 2020-01-15
  • Academic lecture
    Ringsby, Thor Harald; Holand, Håkon; Jensen, Henrik; Tufto, Jarle; Kvalnes, Thomas; Sæther, Bernt-Erik. (2020) Effects of the nematode parasite Syngamus trachea on fitness of House sparrows in northern Norway. The fourth conference of the Nordic Society Oikos , Reykjavik 2020-03-03 - 2020-03-05
  • Academic lecture
    Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik; Kvalnes, Thomas; Holand, Håkon; Pärn, Henrik. (2020) Causes and consequences of variation in life history strategies among house sparrows. Scientific Seminar at Pat Monaghan and Neil Metcalfes Lab group , Glasgow 2020-11-04 - 2020-11-04
  • Lecture
    Saatoglu, Fikriye Dilan; Froy, Hannah; Niskanen, Alina Katariina; Kvalnes, Thomas; Araya-Ajoy, Yimen; Ranke, Peter Sjolte. (2020) Fitness consequences of dispersal in a house sparrow metapopulation. Oikos 2020 , Reykjavik 2020-03-03 - 2020-03-05

2019

  • Academic lecture
    Niskanen, Alina Katariina; Billing, Anna Maria; Holand, Håkon; Hagen, Ingerid Julie; Huisman, Jisca; Araya-Ajoy, Yimen. (2019) Inbreeding depression in a house sparrow metapopulation. Molecular Ecology and Evolution Lab meeting , Oulu 2019-01-24 - 2019-01-24
  • Academic lecture
    Saatoglu, Dilan; Niskanen, Alina Katariina; Kuismin, Markku; Kvalnes, Thomas; Araya-Ajoy, Yimen; Ranke, Peter Sjolte. (2019) Dispersal - genetic detection and fitness consequences. Kaamos symposium , Oulu 2019-12-11 - 2019-12-12
  • Poster
    Saatoglu, Dilan; Niskanen, Alina Katariina; Kvalnes, Thomas; Araya-Ajoy, Yimen; Ranke, Peter Sjolte; Froy, Hannah. (2019) Fitness consequences of dispersal in a house sparrow metapopulation. 2019 Congress of the European Society for Evolutionary Biology (ESEB) , Turku 2019-08-19 - 2019-08-24
  • Academic lecture
    Eriksen, Lasse Frost; Ringsby, Thor Harald; Pedersen, Hans Christian; Nilsen, Erlend Birkeland. (2019) Optimal clutch size in willow ptarmigan (Lagopus lagopus). 4th Conference of the Norwegian Ecological Society , Tromsø 2019-02-11 - 2019-02-13
  • Lecture
    Jensen, Henrik; Ringsby, Thor Harald; Eggen, Grethe Stavik. (2019) Seleksjon og evolusjon i naturlige bestander. Forelesning i forbindelse med besøk av Biologi OL-elever , Trondheim 2019-01-17 - 2019-01-17

2018

  • Lecture
    Jensen, Henrik; Ringsby, Thor Harald. (2018) Seleksjon og evolusjon i naturlige bestander. Forelesning i forbindelse med besøk av Biologi OL-elever , Trondheim 2018-01-15 - 2018-01-15
  • Poster
    Jensen, Henrik; Stubberud, Marlene Wæge; Baalsrud, Helle Tessand; Holand, Håkon; Kvalnes, Thomas; Hagen, Ingerid Julie. (2018) Consequences of demographic processes for effective population size in house sparrows. Oikos 2018 , Trondheim 2018-02-20 - 2018-02-22
  • Poster
    Niskanen, Alina Katariina; Billing, Anna Maria; Hagen, Ingerid Julie; Muff, Stefanie; Husby, Arild; Holand, Håkon. (2018) Inbreeding depression in house sparrows. Oikos 2018 , Trondheim 2018-02-20 - 2018-02-22
  • Poster
    Lundregan, Sarah; Hagen, Ingerid Julie; Gohli, Jostein; Niskanen, Alina Katariina; Kemppainen, Petri; Ringsby, Thor Harald. (2018) Investigating the genetic architecture of bill morphology in a free-living house sparrow metapopulation using a 200K SNP array. Oikos 2018 , Trondheim 2018-02-20 - 2018-02-22
  • Academic lecture
    Saatoglu, Dilan; Niskanen, Alina Katariina; Hagen, Ingerid Julie; Ranke, Peter Sjolte; Araya-Ajoy, Yimen; Myhre, Ane Marlene. (2018) Discovering dispersers by genetic stock identification method in a house sparrow metapopulation. Oikos 2018 , Trondheim 2018-02-20 - 2018-02-22
  • Poster
    Bohm, Sina; Niskanen, Alina Katariina; Saatoglu, Dilan; Pärn, Henrik; Ranke, Peter Sjolte; Araya-Ajoy, Yimen. (2018) Interactions between inbreeding and dispersal in a house sparrows metapopulation. Second Joint Congress on Evolutionary Biology , Montpellier 2018-08-19 - 2018-08-22
  • Poster
    Saatoglu, Dilan; Niskanen, Alina Katariina; Hagen, Ingerid Julie; Ranke, Peter Sjolte; Araya-Ajoy, Yimen; Myhre, Ane Marlene. (2018) Dispersal and its Fitness consequences in a house sparrow metapopulation - identifying "cryptic" dispersers using a genetic assignment method. Second Joint Congress on Evolutionary Biology , Montpellier 2018-08-19 - 2018-08-22
  • Academic lecture
    Niskanen, Alina Katariina; Billing, Anna Maria; Hagen, Ingerid Julie; Muff, Stefanie; Husby, Arild; Holand, Håkon. (2018) Inbreeding depression in a house sparrow metapopulation. Second Joint Congress on Evolutionary Biology , Montpellier 2018-08-19 - 2018-08-22
  • Academic lecture
    Ringsby, Thor Harald. (2018) Causes and consequences of variation in life history strategies among house sparrows. Gjesteforelesning, University of Glasgow, UK , Glasgow 2018-03-15 - 2018-03-15

2017

  • Academic lecture
    Niskanen, Alina Katariina; Billing, Anna Maria; Hagen, Ingerid Julie; Husby, Arild; Holand, Håkon; Rønning, Bernt. (2017) Genomics of inbreeding depression in house sparrows. Wild Animal Model Biennial Meeting , Montreal 2017-07-03 - 2017-07-07
  • Academic lecture
    Jensen, Henrik; Stubberud, Marlene Wæge; Myhre, Ane Marlene; Baalsrud, Helle Tessand; Holand, Håkon; Kvalnes, Thomas. (2017) Consequences of demographic processes for genetic drift in house sparrows. 8th International Hole-Nesting Birds Conference , Trondheim 2017-10-30 - 2017-11-02
  • Poster
    Husby, Arild; Hagen, Ingerid Julie; Ringsby, Thor Harald; Sæther, Bernt-Erik; Kvalnes, Thomas; Holand, Håkon. (2017) Unbiased genetic variance estimation using variation in IBD sharing among full sibs. ESEB XVI Congress , Groningen 2017-08-20 - 2017-08-25
  • Academic lecture
    Niskanen, Alina Katariina; Billing, Anna Maria; Hagen, Ingerid; Holand, Håkon; Rønning, Bernt; Kvalnes, Thomas. (2017) Inbreeding depression in island populations of house sparrows. Seminar at the Department of Ecology and Genetics , University of Oulu 2017-06-19 -
  • Academic lecture
    Saatoglu, Dilan; Niskanen, Alina Katariina; Hagen, Ingerid Julie; Myhre, Ane Marlene; Holand, Håkon; Kvalnes, Thomas. (2017) Investigating the genetic basis of dispersal in house sparrow metapopulation. Wild Animal Model Biennial Meeting , Montreal 2017-07-03 - 2017-07-07
  • Poster
    Gohli, Jostein; Silva, Catarina; Kvalnes, Thomas; Myhre, Ane Marlene; Rønning, Bernt; Pärn, Henrik. (2017) Genetic basis for wing length variation in the house sparrow. ESEB XVI Congress , Groningen 2017-08-20 - 2017-08-25
  • Academic lecture
    Niskanen, Alina Katariina; Billing, Anna Maria; Hagen, Ingerid Julie; Husby, Arild; Holand, Håkon; Rønning, Bernt. (2017) Inbreeding depression in Lifetime reproductive success of house sparrows. 50th Population Genetics Group Meeting , Cambridge 2017-01-05 - 2017-01-07
  • Poster
    Rønning, Bernt; Tennfjord, Øystein Øy; Hagen, Ingerid Julie; Kvalnes, Thomas; Pärn, Henrik; Kemppainen, Petri. (2017) Basal metabolic rate in Wild house sparrow populations: genetic basis and effects on fitness. ESEB XVI Congress , Groningen 2017-08-20 - 2017-08-25
  • Poster
    Niskanen, Alina Katariina; Billing, Anna Maria; Hagen, Ingerid Julie; Husby, Arild; Holand, Håkon; Rønning, Bernt. (2017) Inbreeding depression in lifetime reproductive success of house sparrows. ESEB XVI Congress , Groningen 2017-08-20 - 2017-08-25
  • Poster
    Saatoglu, Dilan; Niskanen, Alina Katariina; Hagen, Ingerid Julie; Ranke, Peter Sjolte; Pärn, Henrik; Myhre, Ane Marlene. (2017) Genetic assignment of dispersers and patterns of dispersal in a house sparrow metapopulation. 8th International Hole-Nesting Birds Conference , Trondheim 2017-10-30 - 2017-11-02
  • Poster
    Jensen, Henrik; Stubberud, Marlene Wæge; Myhre, Ane Marlene; Baalsrud, Helle Tessand; Holand, Håkon; Kvalnes, Thomas. (2017) Consequences of demographic processes for effective population size in house sparrows. ESEB XVI Congress , Groningen 2017-08-20 - 2017-08-25
  • Poster
    Kvalnes, Thomas; Ringsby, Thor Harald; Jensen, Henrik; Hagen, Ingerid Julie; Rønning, Bernt; Pärn, Henrik. (2017) Reversal of response to artificial selection on body size in a wild passerine. The 2017 Congress of the European Society for Evolutionary Biology 2017-08-20 - 2017-08-25
  • Poster
    Kvalnes, Thomas; Rødberg, Anja Aas; Jensen, Henrik; Holand, Håkon; Pärn, Henrik; Sæther, Bernt-Erik. (2017) Offspring fitness and the optimal propagule size in a fluctuating environment. Eighth International Hole-Nesting Birds Conference 2017-10-30 - 2017-11-02
  • Poster
    Niskanen, Alina Katariina; Billing, Anna Maria; Hagen, Ingerid Julie; Husby, Arild; Holand, Håkon; Rønning, Bernt. (2017) Inbreeding depression in lifetime reproductive success of house sparrows. Detecting the Genomic Signal of Polygenic Adaptation and the Role of Epistasis in Evolution , Zurich 2017-08-31 - 2017-09-01
  • Lecture
    Jensen, Henrik; Ringsby, Thor Harald. (2017) Seleksjon og evolusjon i naturlige bestander. Forelesning i forbindelse med besøk av Biologi OL-elever , Trondheim 2017-01-12 - 2017-01-12
  • Academic lecture
    Kvalnes, Thomas; Ringsby, Thor Harald; Jensen, Henrik; Hagen, Ingerid Julie; Rønning, Bernt; Pärn, Henrik. (2017) Reversal of response to artificial selection on body size in a wild passerine bird. Hole-Nesting Bird Conference 2017 2017-10-30 - 2017-11-02
  • Poster
    Pedersen, Michael Pepke; Kvalnes, Thomas; Rønning, Bernt; Boner, Winnie; Jensen, Henrik; Wright, Jonathan. (2017) Telomere dynamics of wild house sparrows under artificial body size selection. 8th International Hole-Nesting Birds Conference , Trondheim 2017-10-30 - 2017-11-02
  • Poster
    Pedersen, Michael Pepke; Kvalnes, Thomas; Rønning, Bernt; Boner, Winnie; Jensen, Henrik; Wright, Jonathan. (2017) Consequences of opposing body size selection regimes on telomere dynamics in wild house sparrows. 16th Congress of the European Society for Evolutionary Biology (ESEB) , Groningen 2017-08-20 - 2017-08-25

2016

  • Academic lecture
    Kemppainen, Petri; Hagen, Ingerid Julie; Kvalnes, Thomas; Rønning, Bernt; Pärn, Henrik; Ringsby, Thor Harald. (2016) Genomic signatures of artificial selection in natural house sparrow populations. 21st-Century Naturalists: Unifying Biological Principles across Disciplines , Pacific Grove, California 2016-01-10 - 2016-01-14
  • Poster
    Silva, Catarina; Kvalnes, Thomas; Hagen, Ingerid Julie; Ringsby, Thor Harald; Pärn, Henrik; Lien, Sigbjørn. (2016) Temperature-mediated changes in life history traits of a resident bird. 2nd Finnish Molecular Ecology and Evolution Symposium , Lammi 2016-10-12 - 2016-10-14
  • Lecture
    Ringsby, Thor Harald. (2016) Årets foredrag: "Gråspurven på Helgeland; Liten og unnselig, men full av hemmeligheter". Kvarøy Handelsfestival 2016 , Indre Kvarøy 2016-08-15 - 2016-08-15

2015

  • Lecture
    Jensen, Henrik; Rønning, Bernt; Billing, Anna Maria; Hagen, Ingerid Julie; Husby, Arild; Kvalnes, Thomas. (2015) Can we learn anything about evolution and genetics from studies of house sparrows?. Forsker til lunsj , Trondheim 2015-01-09 - 2015-01-09
  • Academic lecture
    Kvalnes, Thomas; Ringsby, Thor Harald; Jensen, Henrik; Engen, Steinar; Sæther, Bernt-Erik. (2015) Is there an optimal body size? Lessons from an artificial selection experiment. Annual Conference of the Centre for Biodiversity Dynamics (CBD) , Trondheim 2015-01-21 - 2015-01-21
  • Poster
    Jensen, Henrik; Hagen, Ingerid Julie; Kemppainen, Petri; Billing, Anna Maria; Pärn, Henrik; Rønning, Bernt. (2015) Mapping of quantitative trait loci (QTL) for fitness-related morphology in the house sparrow. Congress of the European Society for Evolutionary Biology , Lausanne 2015-08-10 - 2015-08-14

2014

  • Academic lecture
    Jensen, Henrik; Pärn, Henrik; Hagen, Ingerid Julie; Husby, Arild; Baalsrud, Helle Tessand; Elgvin, Tore Oldeide. (2014) Consequences of dispersal in house sparrows, and a glimpse of on-going work on house sparrow genomics. Gjesteforelesning ved Institute of Evolutionary Biology and Environmental Studies, University of Zürich , Zürich 2014-10-31 - 2014-10-31

2013

  • Poster
    Jensen, Henrik; Baalsrud, Helle Tessand; Hagen, Ingerid Julie; Myhre, Ane Marlene; Holand, Anna Marie; Billing, Anna Maria. (2013) Spatio-temporal dynamics of genetic variation and effective population size in fragmented house sparrow populations. XIV Congress of the European Society for Evolutionary Biology , Lisboa 2013-08-19 - 2013-08-24
  • Poster
    Pärn, Henrik; Skjelseth, Sigrun; Herfindal, Ivar; Sæther, Bernt-Erik; Stokke, Bård Gunnar; Ringsby, Thor Harald. (2013) Sex-specific fitness consequences of translocation in house sparrows. XIV Congress of the European Society for Evolutionary Biology , Lisboa 2013-08-19 - 2013-08-24
  • Poster
    Ringsby, Thor Harald; Holand, Håkon; Jensen, Henrik; Tufto, Jarle; Sæther, Bernt-Erik. (2013) Temporal and spatial variation in prevalence of the parasite Syngamus trachea in a metapopulation of House Sparrows (Passer domesticus). XIV Congress of the European Society for Evolutionary Biology , Lisboa 2013-08-19 - 2013-08-24

2012

  • Academic lecture
    Ringsby, Thor Harald; Jensen, Henrik; Pärn, Henrik; Sæther, Bernt-Erik. (2012) Gråspurvprosjektet; en langtidsstudie innen bevaringsbiologi på Helgelandskysten. Det Kongelige Norske Videnskabers Selskab's Akademi , Katedralskolens festsal i Trondheim 2012-10-15 - 2012-10-15
  • Lecture
    Jensen, Henrik; Pärn, Henrik; Billing, Anna Maria; Skjelseth, Sigrun; Hagen, Ingerid Julie; Ringsby, Thor Harald. (2012) Kan gråspurven hjelpe oss med å bevare trua arter?. Biologiseminar for lærere ved VGS , Trondheim 2012-11-07 - 2012-11-07
  • Academic lecture
    Jensen, Henrik; Hagen, Ingerid Julie; Kvalnes, Thomas; Billing, Anna Maria; Steinsland, Ingelin; Engen, Steinar. (2012) "Experimental evolution" and high-density SNP-genotyping in house sparrows. Seminar at Molecular Ecology and Evolution Lab, Lund University , Lund 2012-03-01 - 2012-03-01

2011

  • Academic lecture
    Jensen, Henrik; Steinsland, Ingelin; Holand, Anna Marie; Hagen, Ingerid Julie; Kvalnes, Thomas; Ringsby, Thor Harald. (2011) Artificial selection on body size in the wild: why we develop 10k SNP chips for house sparrows. Wild Animal Model Bi-Annual Meeting 4, Korsika , Korsika 2011-09-18 - 2011-09-23
  • Lecture
    Parn, Henrik; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2011) Gråspurvprosjektet. Kommunestyremøte i Træna kommune , Husøy 2011-06-29 - 2011-06-29
  • Poster
    Kristiansen, Atle Torvik; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2011) Effects of population size and dispersal on genetic variation in a house sparrow metapopulation. European Society for Evolutionary Biology 13th Congress , Tübingen 2011-08-20 - 2011-08-25
  • Poster
    Borg, Åsa Alexandra; Jensen, Henrik; Westerdahl, Helena; Holand, Håkon; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2011) Adaptive genetic variation, individual fitness and pathogen infection in house sparrows explored using next generation sequencing. European Society for Evolutionary Biology 13th Congress , Tübingen 2011-08-20 - 2011-08-25
  • Poster
    Parn, Henrik; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2011) Genetic consequences of dispersal in a house sparrow metapopulation. European Society for Evolutionary Biology 13th Congress , Tübingen 2011-08-20 - 2011-08-25
  • Poster
    Billing, Anna Maria; Lee, Aline Magdalena; Skjelseth, Sigrun; Borg, Åsa Alexandra; Hale, Matthew; Slate, Jon. (2011) Inbreeding depression but not inbreeding avoidance in a house sparrow population. European Society for Evolutionary Biology 13th Congress , Tübingen 2011-08-20 - 2011-08-25
  • Academic lecture
    Jensen, Henrik; Parn, Henrik; Billing, Anna Maria; Kristiansen, Atle Torvik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2011) Causes and consequences of dispersal in a house sparrow metapopulation. Minisymposium in Evolutionary genetics , Helsinki 2011-01-27 - 2011-01-27
  • Poster
    Holand, Håkon; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2011) The parasite Syngamus trachea in a metapopulation of house sparrows. The IVth Conference of The Scandinavian-Baltic Society for Parasitology , Oslo 2011-06-19 - 2011-06-22
  • Interview
    Ringsby, Thor Harald; Vaaler, Jan. (2011) Naturprogram, radio. Radio 5 Radio 5 [Radio] 2011-11-18
  • Academic lecture
    Holand, Håkon; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2011) The parasite Syngamus trachea in a metapopulation of house sparrows (Passer domesticus). Phd conference , NTNU 2011-11-10 - 2011-11-10

2010

  • Academic lecture
    Parn, Henrik; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2010) The effect of climate change on dispersal in a house sparrow metapopulation. Sustainable Conservation: Bridging the gap between disciplines , Trondheim 2010-03-15 - 2010-03-18
  • Poster
    Jensen, Henrik; Billing, Anna Maria; Lee, Aline Magdalena; Skjelseth, Sigrun; Borg, Åsa; Bremseth, Erlend Myre. (2010) Genetic variation and inbreeding in an insular house sparrow metapopulation. Sustainable Conservation: Bridging the gap between disciplines , Trondheim 2010-03-15 - 2010-03-18
  • Poster
    Holand, Håkon; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2010) The parasite Syngamus trachea in a metapopulation of house sparrows. Sustainable Conservation: Bridging the gap between disciplines , Trondheim 2010-03-15 - 2010-03-18
  • Poster
    Melis, Claudia; Holmern, Tomas; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2010) Are water voles in worse body condition more often predated by eagle owl?. Sustainable Conservation: Bridging the gap between disciplines , Trondheim 2010-03-15 - 2010-03-18
  • Academic lecture
    Holand, Håkon; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2010) Effects of the parasitic gapeworm (Syngamus trachea) on survival in house sparrows (Passer domesticus). EGI Student Ornithology Conference , Oxford 2010-01-06 - 2010-01-08
  • Poster
    Ringsby, Thor Harald; Sæther, Bernt-Erik; Jensen, Henrik; Parn, Henrik. (2010) Spatial variation in density-dependent dispersal in a house sparrow-metapopulation. Sustainable Conservation: Bridging the gap between disciplines , Trondheim 2010-03-15 - 2010-03-18
  • Academic lecture
    Parn, Henrik; Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2010) The effect of climate change on dispersal in a house sparrow Passer domesticus metapopulation. The Ecological Society of America 95th Annual Meeting , Pittsburgh 2010-08-01 - 2010-08-06
  • Poster
    Ringsby, Thor Harald; Sæther, Bernt-Erik; Jensen, Henrik; Parn, Henrik. (2010) Spatial variation in density-dependent dispersal in a house sparrow-metapopulation. Ecological Social of America 95th Annual Meeting , Pittsburgh 2010-08-01 - 2010-08-06

2009

  • Poster
    Parn, Henrik; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2009) Sex-specific fitness consequences of dispersal in a house sparrow metapopulation. European Society for Evolutionary Biology 12th Congress , Torino 2009-08-24 - 2009-08-29
  • Academic lecture
    Jenssen, Bjørn Munro; Ciesielski, Tomasz Maciej; Arukwe, Augustine; Bech, Claus; Bingham, Christopher George; Bæk, K.. (2009) Nivåer og effekter av bromerte flammehemmere i hønsefugl og spurvefugl. Forskningsrådets konferanse Miljø 2015 , Lillestrøm 2009-11-18 - 2009-11-19

2008

  • Academic lecture
    Ciesielski, Tomasz Maciej; Jenssen, Bjørn Munro; Pedersen, Hans Christian; Bæk, K.; Skåre, Janneche Utne; Ringsby, Thor Harald. (2008) Decabrominated diphenyl ether in ptarmigans and sparrows in Norway. Dioxin 2008, 28th International Symposium on Halogenated Persistent Prganic Pollutants , Birmingham 2008-08-17 - 2008-08-22
  • Lecture
    Ringsby, Thor Harald. (2008) The theoretical foundation for analysing dynamics of populations and communities: recent advances and future challenges. trial lecture , Trondheim 2008-06-28 -

2007

  • Academic lecture
    Jensen, Henrik; Steinsland, Ingelin; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2007) Evolutionary dynamics of a sexual ornament in the house sparrow: the role of indirect selection within and between sexes. Wild Animal Model Bi-Annual Meeting , Gotland 2007-08-27 - 2007-08-30
  • Poster
    Jensen, Henrik; Bremset, Erlend Myre; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2007) Multilocus heterozygosity and inbreeding depression in an insular house sparrow metapopulation. XIth Congress of the European Society for Evolutionary Biology , Uppsala 2007-08-20 - 2007-08-25
  • Poster
    Skjelseth, Sigrun; Ringsby, Thor Harald; Jensen, Henrik; Tufto, Jarle; Sæther, Bernt-Erik. (2007) Phenotype dependent dispersal among experimentally introduced house sparrows. XIth Congress of the European Society for Evolutionary Biology , Uppsala 2007-08-20 - 2007-08-25

2006

  • Academic lecture
    Larsen, Line-Kristin; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2006) Correlates of multiple paternity in a house sparrow (Passer domesticus),meta-population. ISBE , Tour 2006-07-23 - 2006-07-28
  • Poster
    Ringsby, Thor Harald; Skjelseth, Sigrun; Tufto, Jarle; Jensen, Henrik; Sæther, Bernt-Erik. (2006) Dispersal patterns within a metapopulation of house sparrows (Passer domesticus) after an introduction experient. 24th International Ornithological Congress 2006-08-13 - 2006-08-19
  • Poster
    Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2006) Gråspurvprosjektet - et forskningsprosjekt innen bevaringsbiologi på Helgelandskysten. Norsk Ornitologisk Forening avd. Nordland 2006-06-16 - 2006-06-18
  • Academic lecture
    Skjelseth, Sigrun; Ringsby, Thor Harald; Tufto, Jarle; Jensen, Henrik; Sæther, Bernt-Erik. (2006) Dispersal patterns within a meta-population of house sparrows after an introduction experiment. EGI conferense , Groningen 2006-01-04 - 2006-01-07
  • Lecture
    Ringsby, Thor Harald. (2006) Gråspurvprosjektet på Helgeland. Rana Ornitologiske forening/ Rana Zoologiske Forening 2006-04-25 -

2005

  • Academic lecture
    Jensen, Henrik; Steinsland, Ingelin; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2005) Constraints on evolution of a sexually selected trait in house sparrows. 10th Congress European Society for Evolutionary Biology , Krakow 2005-08-15 - 2005-08-20
  • Academic lecture
    Jensen, Henrik; Steinsland, Ingelin; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2005) Constraints on the evolution of a sexual ornament (and other traits) in house sparrows. Guest lecture , University of Sheffield 2005-09-07 - 2005-09-07

2003

  • Interview
    Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2003) Spurv under lupen. [Journal] 2003-08-13
  • Interview
    Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik. (2003) "Morten Spurv" med spurven. [Journal] 2003-07-11

2002

  • Programme participation
    Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik; Engen, Steinar. (2002) Med spurven som modell. NRK, Schrødingers katt NRK, Schrødingers katt [TV] 2002-09-12
  • Interview
    Sæther, Bernt-Erik; Ringsby, Thor Harald; Jensen, Henrik. (2002) Forsker på spurv. [Journal] 2002-02-28
  • Poster
    Jensen, Henrik; Sæther, Bernt-Erik; Ringsby, Thor Harald; Tufto, Jarle; Ellegren, Hans. (2002) Sexual variation in heritability, maternal effects and genetic correlations of morphological traits in house sparrows (Passer domesticus). 23rd International Ornithological Congress , Beijing, Kina 2002-08-17 -
  • Poster
    Berge, Torborg; Sæther, Bernt-Erik; Ringsby, Thor Harald. (2002) Feeding Frequency in house sparrow Passer domesticus - influencing factors and reproductive success. 23rd International Ornithological Congress , Beijing, Kina 2002-08-17 -
  • Poster
    Ringsby, Thor Harald; Sæther, Bernt-Erik; Tufto, Jarle; Jensen, Henrik; Solberg, Erling Johan. (2002) Asynchronous spatio-temporal variation in demography within a House Sparrow Passer domesticus metapopulation in a correlated environment: a mechanism. 23rd International Ornithological Congress , beijing, Kina 2002-08-17 -

1998

  • Academic lecture
    Ringsby, Thor Harald. (1998) Factors affecting juvenile survival in House Sparrow. VII International Congress of Ecology , Firenze Italia

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