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  1. Employees

Språkvelger

Norsk

Thor Harald Ringsby

Thor Harald Ringsby

Associate 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 Media

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 :-)

 

Competencies

  • Ecology

Publications

  • Chronological
  • By category
  • See all publications in Cristin

2023

  • 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. volum 10.
    Academic article
  • Nafstad, Ådne Messel; Rønning, Bernt; Aase, Kenneth; Ringsby, Thor Harald; Hagen, Ingerid Julie; Ranke, Peter Sjolte; Kvalnes, Thomas; Stawski, Clare; Räsänen, Katja; Sæther, Bernt-Erik; Muff, Stefanie; Jensen, Henrik. (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; Wright, Jonathan; Araya Ajoy, Yimen Gerardo; Ranke, Peter Sjolte; Boner, Winnie; Monaghan, Pat; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2023) Longitudinal telomere dynamics within natural lifespans of a wild bird. Scientific Reports. volum 13 (1).
    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

2022

  • 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. volum 38.
    Academic article
  • Mehlhoop, Anne Catriona; Van Moorter, Bram; Rolandsen, Christer Moe; Hagen, Dagmar; Granhus, Aksel; Eriksen, Rune; Ringsby, Thor Harald; Solberg, Erling Johan. (2022) Moose in our neighborhood: Does perceived hunting risk have cascading effects on tree performance in vicinity of roads and houses?. Ecology and Evolution. volum 12 (4).
    Academic article
  • Pepke, Michael Le; Kvalnes, Thomas; Ranke, Peter Sjolte; Araya-Ajoy, Yimen; Wright, Jonathan; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2022) Causes and consequences of variation in early-life telomere length in a bird metapopulation. Ecology and Evolution. volum 12 (8).
    Academic article
  • Pepke, Michael Le; Kvalnes, Thomas; Rønning, Bernt; Jensen, Henrik; Boner, Winnie; Sæther, Bernt-Erik; Monaghan, Pat; Ringsby, Thor Harald. (2022) Artificial size selection experiment reveals telomere length dynamics and fitness consequences in a wild passerine. Molecular Ecology. volum 31.
    Academic article
  • Pepke, Michael Le; Niskanen, Alina Katariina; Kvalnes, Thomas; Boner, Winnie; Sæther, Bernt-Erik; Ringsby, Thor Harald; Jensen, Henrik. (2022) Inbreeding is associated with shorter early-life telomere length in a wild passerine. Conservation Genetics. volum 23.
    Academic article

2021

  • Araya-Ajoy, Yimen; Niskanen, Alina Katariina; Froy, Hannah; Ranke, Peter Sjolte; Kvalnes, Thomas; Rønning, Bernt; Pepke, Michael Le; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik; Wright, Jonathan. (2021) Variation in generation time reveals density regulation as an important driver of pace of life in a bird metapopulation. Ecology Letters. volum 24.
    Academic article
  • Pepke, Michael Le; Kvalnes, Thomas; Lundregan, Sarah; Boner, Winnie; Monaghan, Pat; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2021) Genetic architecture and heritability of early-life telomere length in a wild passerine. Molecular Ecology. volum 31.
    Academic article
  • Ranke, Peter Sjolte; Araya-Ajoy, Yimen; Ringsby, Thor Harald; Pärn, Henrik; Rønning, Bernt; Jensen, Henrik; Wright, Jonathan; Sæther, Bernt-Erik. (2021) Spatial structure and dispersal dynamics in a house sparrow metapopulation. Journal of Animal Ecology. volum 90.
    Academic article
  • Saatoglu, Fikriye Dilan; Niskanen, Alina Katariina; Kuismin, Markku; Ranke, Peter Sjolte; Hagen, Ingerid Julie; Araya-Ajoy, Yimen; Kvalnes, Thomas; Pärn, Henrik; Rønning, Bernt; Ringsby, Thor Harald; Sæther, Bernt-Erik; Husby, Arild; Sillanpää, Mikko J.; Jensen, Henrik. (2021) Dispersal in a house sparrow metapopulation: An integrative case study of genetic assignment calibrated with ecological data and pedigree information. Molecular Ecology. volum 30.
    Academic article

2020

  • Dehnhard, Nina; Skei, Jørgen; Christensen-Dalsgaard, Signe; May, Roelof Frans; Halley, Duncan John; Ringsby, Thor Harald; Lorentsen, Svein Håkon. (2020) Boat disturbance effects on moulting common eiders Somateria mollissima. Marine Biology. volum 167 (1).
    Academic article
  • Lundregan, Sarah L.; Niskanen, Alina K.; Muff, Stefanie; Holand, Håkon; Kvalnes, Thomas; Ringsby, Thor-Harald; Husby, Arild; Jensen, Henrik. (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. volum 29.
    Academic article
  • Niskanen, Alina Katariina; Billing, Anna Maria; Holand, Håkon; Hagen, Ingerid Julie; Araya-Ajoy, Yimen; Husby, Arild; Rønning, Bernt; Myhre, Ane Marlene; Ranke, Peter Sjolte; Kvalnes, Thomas; Pärn, Henrik; Ringsby, Thor Harald; Lien, Sigbjørn; Sæther, Bernt-Erik; Muff, Stefanie; Jensen, Henrik. (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. volum 117 (25).
    Academic article
  • Ranke, Peter Sjolte; Skjelseth, Sigrun; Hagen, Ingerid Julie; Billing, Anna Maria; Borg Pedersen, Åsa Alexandra; Pärn, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik; Jensen, Henrik. (2020) Multi‑generational genetic consequences of reinforcement in a bird metapopulation. Conservation Genetics. volum 21.
    Academic article

2019

  • Araya-Ajoy, Yimen; Ranke, Peter Sjolte; Kvalnes, Thomas; Rønning, Bernt; Holand, Håkon; Myhre, Ane Marlene; Pärn, Henrik; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik; Wright, Jonathan. (2019) Characterizing morphological (co)variation using structural equation models: Body size, allometric relationships and evolvability in a house sparrow metapopulation. Evolution. volum 73 (3).
    Academic article
  • Graae, Bente Jessen; Nielsen, Martin Reinhardt; Kløckner, Christian; Ringsby, Thor Harald; Moe, Espen; Said, Mohammed Yahya; Odeck, James; May, Roelof Frans; Lyamuya, Richard Daniel; Smith, Stuart; Ntalwila, Janemary; Hartsteen, Hans Peter; Olsen, Per Harald; Røskaft, Eivin; Skjærvø, Gine Roll. (2019) Savanna Life (brettspill/serious game). NTNU - AfricanBioServices. 2019.
    Other product
  • Holand, Håkon; Jensen, Henrik; Kvalnes, Thomas; Tufto, Jarle; Pärn, Henrik; Sæther, Bernt-Erik; Ringsby, Thor Harald. (2019) Parasite prevalence increases with temperature in an avian metapopulation in northern Norway. Parasitology. volum 146 (8).
    Academic article

2018

  • Kvalnes, Thomas; Røberg, Anja Ås; Jensen, Henrik; Holand, Håkon; Pärn, Henrik; Sæther, Bernt-Erik; Ringsby, Thor Harald. (2018) Offspring fitness and the optimal propagule size in a fluctuating environment. Journal of Avian Biology. volum 49 (7).
    Academic article
  • Lundregan, Sarah; Hagen, Ingerid Julie; Gohli, Jostein; Niskanen, Alina Katariina; Kemppainen, Petri; Ringsby, Thor Harald; Kvalnes, Thomas; Pärn, Henrik; Rønning, Bernt; Holand, Håkon; Ranke, Peter Sjolte; Båtnes, Anna Solvang; Selvik, Linn-Karina M.; Lien, Sigbjørn; Sæther, Bernt-Erik; Husby, Arild; Jensen, Henrik. (2018) Inferences of genetic architecture of bill morphology in house sparrow using a high-density SNP array point to a polygenic basis. Molecular Ecology. volum 27 (17).
    Academic article

2017

  • Kemppainen, Petri; Rønning, Bernt; Kvalnes, Thomas; Hagen, Ingerid Julie; Ringsby, Thor Harald; Billing, Anna Maria; Pärn, Henrik; Lien, Sigbjørn; Husby, Arild; Sæther, Bernt-Erik; Jensen, Henrik. (2017) Controlling for P-value inflation in allele frequency change in experimental evolution and artificial selection experiments. Molecular Ecology Resources. volum 17 (4).
    Academic article
  • Kvalnes, Thomas; Ringsby, Thor Harald; Jensen, Henrik; Hagen, Ingerid Julie; Rønning, Bernt; Pärn, Henrik; Holand, Håkon; Engen, Steinar; Sæther, Bernt-Erik. (2017) Reversal of response to artificial selection on body size in a wild passerine bird. Evolution. volum 71 (8).
    Academic article
  • Ranke, Peter Sjolte; Skjelseth, Sigrun; Pärn, Henrik; Herfindal, Ivar; Borg Pedersen, Åsa Alexandra; Stokke, Bård Gunnar; Kvalnes, Thomas; Ringsby, Thor Harald; Sæther, Bernt-Erik; Jensen, Henrik. (2017) Demographic influences of translocated individuals on a resident population of house sparrows. Oikos. volum 126 (10).
    Academic article
  • Silva, Catarina; McFarlane, S. Eryn; Hagen, Ingerid Julie; Rönnegård, Lars; Billing, Anna Maria; Kvalnes, Thomas; Kemppainen, Petri; Rønning, Bernt; Ringsby, Thor Harald; Sæther, Bernt-Erik; Qvarnström, Anna; Ellegren, Hans; Jensen, Henrik; Husby, Arild. (2017) Insights into the genetic architecture of morphological and sexually selected traits in two passerine bird species. Heredity. volum 119 (3).
    Academic article
  • Stubberud, Marlene Wæge; Myhre, Ane Marlene; Holand, Håkon; Kvalnes, Thomas; Ringsby, Thor Harald; Sæther, Bernt-Erik; Jensen, Henrik. (2017) Sensitivity analysis of effective population size to demographic parameters in house sparrow populations. Molecular Ecology. volum 26 (9).
    Academic article

2016

  • Holand, Håkon; Kvalnes, Thomas; Gamelon, Marlène; Tufto, Jarle; Jensen, Henrik; Pärn, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2016) Spatial variation in senescence rates in a bird metapopulation. Oecologia. volum 181 (3).
    Academic article
  • Nossen, Ida; Ciesielski, Tomasz Maciej; Dimmen, Malene Vågen; Jensen, Henrik; Ringsby, Thor Harald; Polder, Anuschka; Rønning, Bernt; Jenssen, Bjørn Munro; Styrishave, Bjarne. (2016) Steroids in house sparrows (Passer domesticus): Effects of POPs and male quality signalling. Science of the Total Environment. volum 547.
    Academic article
  • Rønning, Bernt; Broggi, Juli; Bech, Claus; Moe, Børge; Ringsby, Thor Harald; Pärn, Henrik; Hagen, Ingerid Julie; Sæther, Bernt-Erik; Jensen, Henrik; Grindstaff, Jennifer. (2016) Is basal metabolic rate associated with recruit production and survival in free-living house sparrows?. Functional Ecology. volum 30 (7).
    Academic article

2015

  • 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. volum 10 (5).
    Academic article
  • Ringsby, Thor Harald; Jensen, Henrik; Pärn, Henrik; Kvalnes, Thomas; Boner, Winnie; Gillespie, Robert; Holand, Håkon; Hagen, Ingerid Julie; Rønning, Bernt; Sæther, Bernt-Erik; Monaghan, Pat. (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. volum 282 (1820).
    Academic article

2014

  • Baalsrud, Helle Tessand; Sæther, Bernt-Erik; Hagen, Ingerid Julie; Myhre, Ane Marlene; Ringsby, Thor Harald; Pärn, Henrik; Jensen, Henrik. (2014) Effects of population characteristics and structure on estimates of effective population size in a house sparrow metapopulation. Molecular Ecology. volum 23 (11).
    Academic article
  • Holand, Håkon; Jensen, Henrik; Tufto, Jarle; Soliman, Mustafa M.; Pärn, Henrik; Sæther, Bernt-Erik; Ringsby, Thor Harald. (2014) Lower survival probability of house sparrows severely infected by the gapeworm parasite. Journal of Avian Biology. volum 45 (4).
    Academic article
  • Huseby, O.; Ringsby, Thor Harald; Rolandsen, Christer Moe; Van Moorter, Bram; Herfindal, Ivar; Solberg, Erling Johan. (2014) Sesongvariasjon i elgens aktivitet gjennom døgnet påvirker når og hvor den påkjøres. Hjorteviltet. volum 2014.
    Popular scientific article

2013

  • 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. volum 140 (10).
    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. volum 171 (2).
    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. volum 3 (4).
    Academic article

2012

  • Billing, Anna Maria; Lee, Aline Magdalena; Skjelseth, Sigrun; Borg, Åsa Alexandra; Hale, M. C.; Slate, J; Parn, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik; Jensen, Henrik. (2012) Evidence of inbreeding depression but not inbreeding avoidance in a natural house sparrow population. Molecular Ecology. volum 21 (6).
    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. volum 279 (1726).
    Academic article
  • Tufto, Jarle; Lande, Russell; Ringsby, Thor Harald; Engen, Steinar; Sæther, Bernt-Erik; Walla, T. R.; DeVries, P.J.. (2012) Estimating Brownian motion dispersal rate, longevity and population density from spatially explicit mark-recapture data on tropical butterflies. Journal of Animal Ecology. volum 81 (4).
    Academic article

2011

  • 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. volum 76 (6).
    Academic article

2009

  • 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. volum 78 (6).
    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. volum 150.
    Academic literature review

2008

  • 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. volum 70.
    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. volum 62.
    Academic literature review
  • Jones, OR; Gaillard, JM; Tuljapurkar, S; Alho, JS; Armitage, KB; Becker, PH; Bize, P; Brommer, J; Charmantier, A; Charpentier, M; Clutton-Brock, T; Dobson, FS; Festa-Bianchet, M; Gustafsson, L; Jensen, Henrik; Jones, CG; Lillandt, BG; McCleery, R; Merila, J. (2008) Senescence rates are determined by ranking on the fast-slow life-history continuum. Ecology Letters. volum 11.
    Academic article

2007

  • Engen, Steinar; Ringsby, Thor Harald; Sæther, Bernt-Erik; Lande, Russell; Jensen, Henrik; Lillegård, Magnar; Ellegren, Hans. (2007) Effective size of fluctuating populations with two sexes and overlapping generations. Evolution. volum 61 (8).
    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. volum 16.
    Academic literature review
  • 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. volum 274.
    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. volum 147.
    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. volum 75.
    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. volum 147.
    Abstract
  • 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. volum 114.
    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. volum 20.
    Academic article
  • 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. volum 27.
    Academic article
  • 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. volum 147.
    Abstract

2005

  • 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. volum 165 (1).
    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. volum 73.
    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. volum 23.
    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. volum 16.
    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. volum 83.
    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. volum 8.
    Academic article

2000

  • 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
  • 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. volum 141.
    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
  • 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
  • Sæther, Bernt-Erik; Ringsby, Thor Harald; Bakke, Øyvind; Solberg, Erling Johan. (1999) Spatial and temporal variation in demography of a house sparrow metapopulation. Ecology. volum 68.
    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. volum 68.
    Academic article

1998

  • Ringsby, Thor Harald. (1998) Factors affecting juvenile survival and the consequences for local demography in a metapopulation of House Sparrows. Perspecrives in Ecology, a glance from the VII International congress of Ecology (Florence 19-25 July 1998) ed.: A. Farina.
    Academic chapter/article/Conference paper
  • Ringsby, Thor Harald. (1998) Variation in Space and Time: The Biology of a House Sparrow Metapopulation. 1998. ISBN 82-7861-090-8.
    Doctoral dissertation
  • Ringsby, Thor Harald. (1998) Variation in space and time: the biology of a House sparrow metapopulation. 1998.
    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. volum 29.
    Academic article
  • Tufto, Jarle; Solberg, E.J.; Ringsby, Thor Harald. (1998) Statistical models of transitive and intransitive dominance structures. Animal Behaviour. volum 55.
    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. volum 103.
    Academic article
  • Stewart, I.R.K.; Ringsby, Thor Harald; Solberg, E.J.. (1997) Absence of haematozoa in passerines from a Norwegian archipelago. Ornis Fennica. volum 74 (4).
    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. volum 77.
    Academic article

Journal publications

  • 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. volum 10.
    Academic article
  • Nafstad, Ådne Messel; Rønning, Bernt; Aase, Kenneth; Ringsby, Thor Harald; Hagen, Ingerid Julie; Ranke, Peter Sjolte; Kvalnes, Thomas; Stawski, Clare; Räsänen, Katja; Sæther, Bernt-Erik; Muff, Stefanie; Jensen, Henrik. (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; Wright, Jonathan; Araya Ajoy, Yimen Gerardo; Ranke, Peter Sjolte; Boner, Winnie; Monaghan, Pat; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2023) Longitudinal telomere dynamics within natural lifespans of a wild bird. Scientific Reports. volum 13 (1).
    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
  • 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. volum 38.
    Academic article
  • Mehlhoop, Anne Catriona; Van Moorter, Bram; Rolandsen, Christer Moe; Hagen, Dagmar; Granhus, Aksel; Eriksen, Rune; Ringsby, Thor Harald; Solberg, Erling Johan. (2022) Moose in our neighborhood: Does perceived hunting risk have cascading effects on tree performance in vicinity of roads and houses?. Ecology and Evolution. volum 12 (4).
    Academic article
  • Pepke, Michael Le; Kvalnes, Thomas; Ranke, Peter Sjolte; Araya-Ajoy, Yimen; Wright, Jonathan; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2022) Causes and consequences of variation in early-life telomere length in a bird metapopulation. Ecology and Evolution. volum 12 (8).
    Academic article
  • Pepke, Michael Le; Kvalnes, Thomas; Rønning, Bernt; Jensen, Henrik; Boner, Winnie; Sæther, Bernt-Erik; Monaghan, Pat; Ringsby, Thor Harald. (2022) Artificial size selection experiment reveals telomere length dynamics and fitness consequences in a wild passerine. Molecular Ecology. volum 31.
    Academic article
  • Pepke, Michael Le; Niskanen, Alina Katariina; Kvalnes, Thomas; Boner, Winnie; Sæther, Bernt-Erik; Ringsby, Thor Harald; Jensen, Henrik. (2022) Inbreeding is associated with shorter early-life telomere length in a wild passerine. Conservation Genetics. volum 23.
    Academic article
  • Araya-Ajoy, Yimen; Niskanen, Alina Katariina; Froy, Hannah; Ranke, Peter Sjolte; Kvalnes, Thomas; Rønning, Bernt; Pepke, Michael Le; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik; Wright, Jonathan. (2021) Variation in generation time reveals density regulation as an important driver of pace of life in a bird metapopulation. Ecology Letters. volum 24.
    Academic article
  • Pepke, Michael Le; Kvalnes, Thomas; Lundregan, Sarah; Boner, Winnie; Monaghan, Pat; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald. (2021) Genetic architecture and heritability of early-life telomere length in a wild passerine. Molecular Ecology. volum 31.
    Academic article
  • Ranke, Peter Sjolte; Araya-Ajoy, Yimen; Ringsby, Thor Harald; Pärn, Henrik; Rønning, Bernt; Jensen, Henrik; Wright, Jonathan; Sæther, Bernt-Erik. (2021) Spatial structure and dispersal dynamics in a house sparrow metapopulation. Journal of Animal Ecology. volum 90.
    Academic article
  • Saatoglu, Fikriye Dilan; Niskanen, Alina Katariina; Kuismin, Markku; Ranke, Peter Sjolte; Hagen, Ingerid Julie; Araya-Ajoy, Yimen; Kvalnes, Thomas; Pärn, Henrik; Rønning, Bernt; Ringsby, Thor Harald; Sæther, Bernt-Erik; Husby, Arild; Sillanpää, Mikko J.; Jensen, Henrik. (2021) Dispersal in a house sparrow metapopulation: An integrative case study of genetic assignment calibrated with ecological data and pedigree information. Molecular Ecology. volum 30.
    Academic article
  • Dehnhard, Nina; Skei, Jørgen; Christensen-Dalsgaard, Signe; May, Roelof Frans; Halley, Duncan John; Ringsby, Thor Harald; Lorentsen, Svein Håkon. (2020) Boat disturbance effects on moulting common eiders Somateria mollissima. Marine Biology. volum 167 (1).
    Academic article
  • Lundregan, Sarah L.; Niskanen, Alina K.; Muff, Stefanie; Holand, Håkon; Kvalnes, Thomas; Ringsby, Thor-Harald; Husby, Arild; Jensen, Henrik. (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. volum 29.
    Academic article
  • Niskanen, Alina Katariina; Billing, Anna Maria; Holand, Håkon; Hagen, Ingerid Julie; Araya-Ajoy, Yimen; Husby, Arild; Rønning, Bernt; Myhre, Ane Marlene; Ranke, Peter Sjolte; Kvalnes, Thomas; Pärn, Henrik; Ringsby, Thor Harald; Lien, Sigbjørn; Sæther, Bernt-Erik; Muff, Stefanie; Jensen, Henrik. (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. volum 117 (25).
    Academic article
  • Ranke, Peter Sjolte; Skjelseth, Sigrun; Hagen, Ingerid Julie; Billing, Anna Maria; Borg Pedersen, Åsa Alexandra; Pärn, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik; Jensen, Henrik. (2020) Multi‑generational genetic consequences of reinforcement in a bird metapopulation. Conservation Genetics. volum 21.
    Academic article
  • Araya-Ajoy, Yimen; Ranke, Peter Sjolte; Kvalnes, Thomas; Rønning, Bernt; Holand, Håkon; Myhre, Ane Marlene; Pärn, Henrik; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik; Wright, Jonathan. (2019) Characterizing morphological (co)variation using structural equation models: Body size, allometric relationships and evolvability in a house sparrow metapopulation. Evolution. volum 73 (3).
    Academic article
  • Holand, Håkon; Jensen, Henrik; Kvalnes, Thomas; Tufto, Jarle; Pärn, Henrik; Sæther, Bernt-Erik; Ringsby, Thor Harald. (2019) Parasite prevalence increases with temperature in an avian metapopulation in northern Norway. Parasitology. volum 146 (8).
    Academic article
  • Kvalnes, Thomas; Røberg, Anja Ås; Jensen, Henrik; Holand, Håkon; Pärn, Henrik; Sæther, Bernt-Erik; Ringsby, Thor Harald. (2018) Offspring fitness and the optimal propagule size in a fluctuating environment. Journal of Avian Biology. volum 49 (7).
    Academic article
  • Lundregan, Sarah; Hagen, Ingerid Julie; Gohli, Jostein; Niskanen, Alina Katariina; Kemppainen, Petri; Ringsby, Thor Harald; Kvalnes, Thomas; Pärn, Henrik; Rønning, Bernt; Holand, Håkon; Ranke, Peter Sjolte; Båtnes, Anna Solvang; Selvik, Linn-Karina M.; Lien, Sigbjørn; Sæther, Bernt-Erik; Husby, Arild; Jensen, Henrik. (2018) Inferences of genetic architecture of bill morphology in house sparrow using a high-density SNP array point to a polygenic basis. Molecular Ecology. volum 27 (17).
    Academic article
  • Kemppainen, Petri; Rønning, Bernt; Kvalnes, Thomas; Hagen, Ingerid Julie; Ringsby, Thor Harald; Billing, Anna Maria; Pärn, Henrik; Lien, Sigbjørn; Husby, Arild; Sæther, Bernt-Erik; Jensen, Henrik. (2017) Controlling for P-value inflation in allele frequency change in experimental evolution and artificial selection experiments. Molecular Ecology Resources. volum 17 (4).
    Academic article
  • Kvalnes, Thomas; Ringsby, Thor Harald; Jensen, Henrik; Hagen, Ingerid Julie; Rønning, Bernt; Pärn, Henrik; Holand, Håkon; Engen, Steinar; Sæther, Bernt-Erik. (2017) Reversal of response to artificial selection on body size in a wild passerine bird. Evolution. volum 71 (8).
    Academic article
  • Ranke, Peter Sjolte; Skjelseth, Sigrun; Pärn, Henrik; Herfindal, Ivar; Borg Pedersen, Åsa Alexandra; Stokke, Bård Gunnar; Kvalnes, Thomas; Ringsby, Thor Harald; Sæther, Bernt-Erik; Jensen, Henrik. (2017) Demographic influences of translocated individuals on a resident population of house sparrows. Oikos. volum 126 (10).
    Academic article
  • Silva, Catarina; McFarlane, S. Eryn; Hagen, Ingerid Julie; Rönnegård, Lars; Billing, Anna Maria; Kvalnes, Thomas; Kemppainen, Petri; Rønning, Bernt; Ringsby, Thor Harald; Sæther, Bernt-Erik; Qvarnström, Anna; Ellegren, Hans; Jensen, Henrik; Husby, Arild. (2017) Insights into the genetic architecture of morphological and sexually selected traits in two passerine bird species. Heredity. volum 119 (3).
    Academic article
  • Stubberud, Marlene Wæge; Myhre, Ane Marlene; Holand, Håkon; Kvalnes, Thomas; Ringsby, Thor Harald; Sæther, Bernt-Erik; Jensen, Henrik. (2017) Sensitivity analysis of effective population size to demographic parameters in house sparrow populations. Molecular Ecology. volum 26 (9).
    Academic article
  • Holand, Håkon; Kvalnes, Thomas; Gamelon, Marlène; Tufto, Jarle; Jensen, Henrik; Pärn, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2016) Spatial variation in senescence rates in a bird metapopulation. Oecologia. volum 181 (3).
    Academic article
  • Nossen, Ida; Ciesielski, Tomasz Maciej; Dimmen, Malene Vågen; Jensen, Henrik; Ringsby, Thor Harald; Polder, Anuschka; Rønning, Bernt; Jenssen, Bjørn Munro; Styrishave, Bjarne. (2016) Steroids in house sparrows (Passer domesticus): Effects of POPs and male quality signalling. Science of the Total Environment. volum 547.
    Academic article
  • Rønning, Bernt; Broggi, Juli; Bech, Claus; Moe, Børge; Ringsby, Thor Harald; Pärn, Henrik; Hagen, Ingerid Julie; Sæther, Bernt-Erik; Jensen, Henrik; Grindstaff, Jennifer. (2016) Is basal metabolic rate associated with recruit production and survival in free-living house sparrows?. Functional Ecology. volum 30 (7).
    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. volum 10 (5).
    Academic article
  • Ringsby, Thor Harald; Jensen, Henrik; Pärn, Henrik; Kvalnes, Thomas; Boner, Winnie; Gillespie, Robert; Holand, Håkon; Hagen, Ingerid Julie; Rønning, Bernt; Sæther, Bernt-Erik; Monaghan, Pat. (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. volum 282 (1820).
    Academic article
  • Baalsrud, Helle Tessand; Sæther, Bernt-Erik; Hagen, Ingerid Julie; Myhre, Ane Marlene; Ringsby, Thor Harald; Pärn, Henrik; Jensen, Henrik. (2014) Effects of population characteristics and structure on estimates of effective population size in a house sparrow metapopulation. Molecular Ecology. volum 23 (11).
    Academic article
  • Holand, Håkon; Jensen, Henrik; Tufto, Jarle; Soliman, Mustafa M.; Pärn, Henrik; Sæther, Bernt-Erik; Ringsby, Thor Harald. (2014) Lower survival probability of house sparrows severely infected by the gapeworm parasite. Journal of Avian Biology. volum 45 (4).
    Academic article
  • Huseby, O.; Ringsby, Thor Harald; Rolandsen, Christer Moe; Van Moorter, Bram; Herfindal, Ivar; Solberg, Erling Johan. (2014) Sesongvariasjon i elgens aktivitet gjennom døgnet påvirker når og hvor den påkjøres. Hjorteviltet. volum 2014.
    Popular scientific 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. volum 140 (10).
    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. volum 171 (2).
    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. volum 3 (4).
    Academic article
  • Billing, Anna Maria; Lee, Aline Magdalena; Skjelseth, Sigrun; Borg, Åsa Alexandra; Hale, M. C.; Slate, J; Parn, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik; Jensen, Henrik. (2012) Evidence of inbreeding depression but not inbreeding avoidance in a natural house sparrow population. Molecular Ecology. volum 21 (6).
    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. volum 279 (1726).
    Academic article
  • Tufto, Jarle; Lande, Russell; Ringsby, Thor Harald; Engen, Steinar; Sæther, Bernt-Erik; Walla, T. R.; DeVries, P.J.. (2012) Estimating Brownian motion dispersal rate, longevity and population density from spatially explicit mark-recapture data on tropical butterflies. Journal of Animal Ecology. volum 81 (4).
    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. volum 76 (6).
    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. volum 78 (6).
    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. volum 150.
    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. volum 70.
    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. volum 62.
    Academic literature review
  • Jones, OR; Gaillard, JM; Tuljapurkar, S; Alho, JS; Armitage, KB; Becker, PH; Bize, P; Brommer, J; Charmantier, A; Charpentier, M; Clutton-Brock, T; Dobson, FS; Festa-Bianchet, M; Gustafsson, L; Jensen, Henrik; Jones, CG; Lillandt, BG; McCleery, R; Merila, J. (2008) Senescence rates are determined by ranking on the fast-slow life-history continuum. Ecology Letters. volum 11.
    Academic article
  • Engen, Steinar; Ringsby, Thor Harald; Sæther, Bernt-Erik; Lande, Russell; Jensen, Henrik; Lillegård, Magnar; Ellegren, Hans. (2007) Effective size of fluctuating populations with two sexes and overlapping generations. Evolution. volum 61 (8).
    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. volum 16.
    Academic literature review
  • 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. volum 274.
    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. volum 147.
    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. volum 75.
    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. volum 147.
    Abstract
  • 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. volum 114.
    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. volum 20.
    Academic article
  • 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. volum 27.
    Academic article
  • 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. volum 147.
    Abstract
  • 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. volum 165 (1).
    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. volum 73.
    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. volum 23.
    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. volum 16.
    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. volum 83.
    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. volum 8.
    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
  • 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. volum 141.
    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
  • 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
  • Sæther, Bernt-Erik; Ringsby, Thor Harald; Bakke, Øyvind; Solberg, Erling Johan. (1999) Spatial and temporal variation in demography of a house sparrow metapopulation. Ecology. volum 68.
    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. volum 68.
    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. volum 29.
    Academic article
  • Tufto, Jarle; Solberg, E.J.; Ringsby, Thor Harald. (1998) Statistical models of transitive and intransitive dominance structures. Animal Behaviour. volum 55.
    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. volum 103.
    Academic article
  • Stewart, I.R.K.; Ringsby, Thor Harald; Solberg, E.J.. (1997) Absence of haematozoa in passerines from a Norwegian archipelago. Ornis Fennica. volum 74 (4).
    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. volum 77.
    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. Perspecrives in Ecology, a glance from the VII International congress of Ecology (Florence 19-25 July 1998) ed.: A. Farina.
    Academic chapter/article/Conference paper

Report

  • Ringsby, Thor Harald. (1998) Variation in Space and Time: The Biology of a House Sparrow Metapopulation. 1998. ISBN 82-7861-090-8.
    Doctoral dissertation
  • Ringsby, Thor Harald. (1998) Variation in space and time: the biology of a House sparrow metapopulation. 1998.
    Doctoral dissertation

PRODUKT

  • Graae, Bente Jessen; Nielsen, Martin Reinhardt; Kløckner, Christian; Ringsby, Thor Harald; Moe, Espen; Said, Mohammed Yahya; Odeck, James; May, Roelof Frans; Lyamuya, Richard Daniel; Smith, Stuart; Ntalwila, Janemary; Hartsteen, Hans Peter; Olsen, Per Harald; Røskaft, Eivin; Skjærvø, Gine Roll. (2019) Savanna Life (brettspill/serious game). NTNU - AfricanBioServices. 2019.
    Other product

Teaching

Courses

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

Media

2022

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

2021

  • Documentary
    Bazilchuk, Nancy Reney; Jensen, Henrik; Ringsby, Thor Harald; Muff, Stefanie. (2021) Darwin had Galapagos finches. Norway has… house sparrows?. https://shows.acast.com/63-degrees-north/episodes/ [Internett]. 2021-02-26.
  • Poster
    Le Moullec, Mathilde; Acker, Paul; Grøtan, Vidar; Lee, Aline Magdalena; Herfindal, Ivar; O'Hara, Bob; Martin, Ellen Claire; Peeters, Bart; Bjørkås, Ragnhild; Reid, Jane Margaret; Ringsby, Thor Harald; Sæther, Bernt-Erik; Hansen, Brage Bremset. (2021) How can we assess temporal changes in population synchrony?. Annual Meeting of the British Ecological Society . British Ecological Society; Liverpool, UK. 2021-12-12 - 2021-12-15.

2020

  • Popular scientific 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 . Skolelaboratoriet, NTNU; 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 . 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; Ranke, Peter Sjolte; Pepke, Michael Le. (2020) Causes and consequences of variation in life history strategies among house sparrows. Scientific Seminar at Pat Monaghan and Neil Metcalfes Lab group . Institute of BAH&CM; Glasgow. 2020-11-04 - 2020-11-04.
  • Lecture
    Saatoglu, Fikriye Dilan; Froy, Hannah; Niskanen, Alina Katariina; Kvalnes, Thomas; Araya-Ajoy, Yimen; Ranke, Peter Sjolte; Pärn, Henrik; Rønning, Bernt; Hagen, Ingerid Julie; Ringsby, Thor Harald; Sæther, Bernt-Erik; Husby, Arild; Jensen, Henrik. (2020) Fitness consequences of dispersal in a house sparrow metapopulation. Oikos 2020 . Nordic Society Oikos; Reykjavik. 2020-03-03 - 2020-03-05.

2019

  • 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 . Norsk økologisk forening; 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 . Skolelaboratoriet, NTNU; Trondheim. 2019-01-17 - 2019-01-17.
  • Academic lecture
    Niskanen, Alina Katariina; Billing, Anna Maria; Holand, Håkon; Hagen, Ingerid Julie; Huisman, Jisca; Araya-Ajoy, Yimen; Husby, Arild; Rønning, Bernt; Myhre, Ane Marlene; Ranke, Peter Sjolte; Kvalnes, Thomas; Pärn, Henrik; Ringsby, Thor Harald; Lien, Sigbjørn; Sæther, Bernt-Erik; Muff, Stefanie; Jensen, Henrik. (2019) Inbreeding depression in a house sparrow metapopulation. Molecular Ecology and Evolution Lab meeting . University of Oulu; Oulu. 2019-01-24 - 2019-01-24.
  • Academic lecture
    Saatoglu, Dilan; Niskanen, Alina Katariina; Kuismin, Markku; Kvalnes, Thomas; Araya-Ajoy, Yimen; Ranke, Peter Sjolte; Froy, Hannah; Holand, Håkon; Pärn, Henrik; Rønning, Bernt; Hagen, Ingerid Julie; Lien, Sigbjørn; Ringsby, Thor Harald; Sæther, Bernt-Erik; Husby, Arild; Sillanpää, Mikko J.; Jensen, Henrik. (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; Holand, Håkon; Pärn, Henrik; Rønning, Bernt; Hagen, Ingerid Julie; Lien, Sigbjørn; Ringsby, Thor Harald; Sæther, Bernt-Erik; Husby, Arild; Jensen, Henrik. (2019) Fitness consequences of dispersal in a house sparrow metapopulation. 2019 Congress of the European Society for Evolutionary Biology (ESEB) . European Society for Evolutionary Biology (ESEB); Turku. 2019-08-19 - 2019-08-24.

2018

  • Poster
    Bohm, Sina; Niskanen, Alina Katariina; Saatoglu, Dilan; Pärn, Henrik; Ranke, Peter Sjolte; Araya-Ajoy, Yimen; Hagen, Ingerid Julie; Rønning, Bernt; Lien, Sigbjørn; Ringsby, Thor Harald; Sæther, Bernt-Erik; Husby, Arild; Huber, Heidrun; Jensen, Henrik. (2018) Interactions between inbreeding and dispersal in a house sparrows metapopulation. Second Joint Congress on Evolutionary Biology . European Society for Evolutionary Biology (ESEB); Montpellier. 2018-08-19 - 2018-08-22.
  • Popular scientific lecture
    Jensen, Henrik; Ringsby, Thor Harald. (2018) Seleksjon og evolusjon i naturlige bestander. Forelesning i forbindelse med besøk av Biologi OL-elever . Skolelaboratoriet, NTNU; Trondheim. 2018-01-15 - 2018-01-15.
  • Poster
    Jensen, Henrik; Stubberud, Marlene Wæge; Baalsrud, Helle Tessand; Holand, Håkon; Kvalnes, Thomas; Hagen, Ingerid Julie; Pärn, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2018) Consequences of demographic processes for effective population size in house sparrows. Oikos 2018 . Centre for Biodiversity Dynamics, NTNU; Trondheim. 2018-02-20 - 2018-02-22.
  • Poster
    Lundregan, Sarah; Hagen, Ingerid Julie; Gohli, Jostein; Niskanen, Alina Katariina; Kemppainen, Petri; Ringsby, Thor Harald; Kvalnes, Thomas; Pärn, Henrik; Rønning, Bernt; Holand, Håkon; Ranke, Peter Sjolte; Båtnes, Anna Solvang; Selvik, Linn-Karina M.; Sæther, Bernt-Erik; Husby, Arild; Jensen, Henrik. (2018) Investigating the genetic architecture of bill morphology in a free-living house sparrow metapopulation using a 200K SNP array. Oikos 2018 . Centre for Biodiversity Dynamics, NTNU; Trondheim. 2018-02-20 - 2018-02-22.
  • Academic lecture
    Niskanen, Alina Katariina; Billing, Anna Maria; Hagen, Ingerid Julie; Muff, Stefanie; Husby, Arild; Holand, Håkon; Rønning, Bernt; Kvalnes, Thomas; Pärn, Henrik; Ringsby, Thor Harald; Lien, Sigbjørn; Sæther, Bernt-Erik; Jensen, Henrik. (2018) Inbreeding depression in a house sparrow metapopulation. Second Joint Congress on Evolutionary Biology . European Society for Evolutionary Biology (ESEB); Montpellier. 2018-08-19 - 2018-08-22.
  • Poster
    Niskanen, Alina Katariina; Billing, Anna Maria; Hagen, Ingerid Julie; Muff, Stefanie; Husby, Arild; Holand, Håkon; Rønning, Bernt; Kvalnes, Thomas; Pärn, Henrik; Ringsby, Thor Harald; Lien, Sigbjørn; Sæther, Bernt-Erik; Jensen, Henrik. (2018) Inbreeding depression in house sparrows. Oikos 2018 . Centre for Biodiversity Dynamics, NTNU; Trondheim. 2018-02-20 - 2018-02-22.
  • Academic lecture
    Ringsby, Thor Harald. (2018) Causes and consequences of variation in life history strategies among house sparrows. Gjesteforelesning, University of Glasgow, UK . Institute of Biodiversity, Animal Health and Comparative Med; Glasgow. 2018-03-15 - 2018-03-15.
  • Academic lecture
    Saatoglu, Dilan; Niskanen, Alina Katariina; Hagen, Ingerid Julie; Ranke, Peter Sjolte; Araya-Ajoy, Yimen; Myhre, Ane Marlene; Holand, Håkon; Kvalnes, Thomas; Pärn, Henrik; Sommerli, Sindre; Rønning, Bernt; Lien, Sigbjørn; Ringsby, Thor Harald; Sæther, Bernt-Erik; Husby, Arild; Jensen, Henrik. (2018) Discovering dispersers by genetic stock identification method in a house sparrow metapopulation. Oikos 2018 . Centre for Biodiversity Dynamics, NTNU; Trondheim. 2018-02-20 - 2018-02-22.
  • Poster
    Saatoglu, Dilan; Niskanen, Alina Katariina; Hagen, Ingerid Julie; Ranke, Peter Sjolte; Araya-Ajoy, Yimen; Myhre, Ane Marlene; Holand, Håkon; Kvalnes, Thomas; Pärn, Henrik; Sommerli, Sindre; Rønning, Bernt; Lien, Sigbjørn; Ringsby, Thor Harald; Sæther, Bernt-Erik; Husby, Arild; Jensen, Henrik. (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 . European Society for Evolutionary Biology (ESEB); Montpellier. 2018-08-19 - 2018-08-22.

2017

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

2016

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

2015

  • Poster
    Jensen, Henrik; Hagen, Ingerid Julie; Kemppainen, Petri; Billing, Anna Maria; Pärn, Henrik; Rønning, Bernt; Ringsby, Thor Harald; Sæther, Bernt-Erik; Lien, Sigbjørn; Husby, Arild. (2015) Mapping of quantitative trait loci (QTL) for fitness-related morphology in the house sparrow. Congress of the European Society for Evolutionary Biology . European Society for Evolutionary Biology; Lausanne. 2015-08-10 - 2015-08-14.
  • Lecture
    Jensen, Henrik; Rønning, Bernt; Billing, Anna Maria; Hagen, Ingerid Julie; Husby, Arild; Kvalnes, Thomas; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2015) Can we learn anything about evolution and genetics from studies of house sparrows?. Forsker til lunsj . Deptartment of Biology, NTNU; 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) . Centre for Biodiversity Dynamics (CBD); Trondheim. 2015-01-21 - 2015-01-21.

2014

  • Academic lecture
    Jensen, Henrik; Pärn, Henrik; Hagen, Ingerid Julie; Husby, Arild; Baalsrud, Helle Tessand; Elgvin, Tore Oldeide; Myhre, Ane Marlene; Skjelseth, Sigrun; Billing, Anna Maria; Ringsby, Thor Harald; Sæther, Bernt-Erik. (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 . 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; Tufto, Jarle; Pärn, Henrik; Ringsby, Thor Harald; Slate, Jon; Sæther, Bernt-Erik. (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 . University of Lisbon; Lisboa. 2013-08-19 - 2013-08-24.
  • Poster
    Pärn, Henrik; Skjelseth, Sigrun; Herfindal, Ivar; Sæther, Bernt-Erik; Stokke, Bård Gunnar; Ringsby, Thor Harald; Jensen, Henrik. (2013) Sex-specific fitness consequences of translocation in house sparrows. XIV Congress of the European Society for Evolutionary Biology . University of Lisbon; 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 . University of Lisbon; Lisboa. 2013-08-19 - 2013-08-24.

2012

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

2011

  • Poster
    Billing, Anna Maria; Lee, Aline Magdalena; Skjelseth, Sigrun; Borg, Åsa Alexandra; Hale, Matthew; Slate, Jon; Parn, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik; Jensen, Henrik. (2011) Inbreeding depression but not inbreeding avoidance in a house sparrow population. European Society for Evolutionary Biology 13th Congress . European Society for Evolutionary Biology; 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 . European Society for Evolutionary Biology; Tübingen. 2011-08-20 - 2011-08-25.
  • 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.
  • 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 . Christophe Pelabon; NTNU. 2011-11-10 - 2011-11-10.
  • Academic lecture
    Jensen, Henrik; Parn, Henrik; Billing, Anna Maria; Torvik Kristiansen, Atle; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2011) Causes and consequences of dispersal in a house sparrow metapopulation. Minisymposium in Evolutionary genetics . Department of Biosciences, University of Helsinki; Helsinki. 2011-01-27 - 2011-01-27.
  • Academic lecture
    Jensen, Henrik; Steinsland, Ingelin; Holand, Anna Marie; Hagen, Ingerid Julie; Kvalnes, Thomas; Ringsby, Thor Harald; Sæther, Bernt-Erik. (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.
  • 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 . European Society for Evolutionary Biology; 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 . European Society for Evolutionary Biology; Tübingen. 2011-08-20 - 2011-08-25.
  • Popular scientific lecture
    Parn, Henrik; Jensen, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2011) Gråspurvprosjektet. Kommunestyremøte i Træna kommune . Træna kommune; Husøy. 2011-06-29 - 2011-06-29.
  • Interview
    Ringsby, Thor Harald; Vaaler, Jan. (2011) Naturprogram, radio. Radio 5 [Radio]. 2011-11-18.

2010

  • 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
    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 . Centre for Conservation Biology, NTNU; Trondheim. 2010-03-15 - 2010-03-18.
  • Poster
    Jensen, Henrik; Billing, Anna Maria; Lee, Aline Magdalena; Skjelseth, Sigrun; Borg, Åsa; Myre Bremseth, Erlend; Parn, Henrik; Ringsby, Thor Harald; Sæther, Bernt-Erik. (2010) Genetic variation and inbreeding in an insular house sparrow metapopulation. Sustainable Conservation: Bridging the gap between disciplines . Centre for Conservation Biology, NTNU; 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 . NTNU; 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 . The Ecological Society of America; Pittsburgh. 2010-08-01 - 2010-08-06.
  • 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 . Centre for Conservation Biology, NTNU; Trondheim. 2010-03-15 - 2010-03-18.
  • 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 . NTNU; Trondheim. 2010-03-15 - 2010-03-18.
  • 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 . The Ecological Society of America; Pittsburgh. 2010-08-01 - 2010-08-06.

2009

  • Academic lecture
    Jenssen, Bjørn Munro; Ciesielski, Tomasz Maciej; Arukwe, Augustine; Bech, Claus; Bingham, Christopher George; Bæk, K.; Krøkje, Åse; Løken, Katharina; Mortensen, Anne Skjetne; Pedersen, Hans Christian; Petersen, Anette; Ringsby, Thor Harald; Skåre, Janneche Utne. (2009) Nivåer og effekter av bromerte flammehemmere i hønsefugl og spurvefugl. Forskningsrådets konferanse Miljø 2015 . Norges Forskningsråd; Lillestrøm. 2009-11-18 - 2009-11-19.
  • 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 . European Society for Evolutionary Biology; Torino. 2009-08-24 - 2009-08-29.

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.
  • Popular scientific lecture
    Ringsby, Thor Harald. (2008) The theoretical foundation for analysing dynamics of populations and communities: recent advances and future challenges. trial lecture . Institutt for Biologi; Trondheim. 2008-06-28.

2007

  • 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 . European Society for Evolutionary Biology; Uppsala. 2007-08-20 - 2007-08-25.
  • 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 . Dr. J. Brommer, Helsinki og Dr. L. Gustavsson, Uppsala; Gotland. 2007-08-27 - 2007-08-30.
  • 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 . 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 . International Society of Behavioural Ecology; Tour. 2006-07-23 - 2006-07-28.
  • Popular scientific lecture
    Ringsby, Thor Harald. (2006) Gråspurvprosjektet på Helgeland. Rana Ornitologiske forening/ Rana Zoologiske Forening ; 2006-04-25.
  • 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.
  • 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.
  • 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.

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 . 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 . Department of Animal and Plant Sciences; University of Sheffield. 2005-09-07 - 2005-09-07.

2003

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

2002

  • 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 . [Mangler data]; Beijing, Kina. 2002-08-17.
  • 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 . [Mangler data]; Beijing, Kina. 2002-08-17.
  • Programme participation
    Ringsby, Thor Harald; Jensen, Henrik; Sæther, Bernt-Erik; Engen, Steinar. (2002) Med spurven som modell. NRK, Schrødingers katt [TV]. 2002-09-12.
  • 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 . [Mangler data]; beijing, Kina. 2002-08-17.
  • Interview
    Sæther, Bernt-Erik; Ringsby, Thor Harald; Jensen, Henrik. (2002) Forsker på spurv. Brønnøysund Avis null [Avis]. 2002-02-28.

1998

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