Brage Bremset Hansen
Background and activities
Centre for Biodiversity Dynamics (CBD) http://www.ntnu.edu/cbd
Dept. of Biology, NV Faculty, NTNU
Population ecology, population dynamics, community ecology, community dynamics, behavioural ecology, population genetics, ancient DNA, trophic (e.g. plant-herbivore) interactions, climate change, Arctic, Svalbard, Svalbard reindeer, barnacle geese, Arctic fox, demographic modelling.
PI for the Dynamics of Arctic Ecosystems group, a part of Community Dynamics at CBD. PI for the project "Community dynamics in a rapidly warming high Arctic: trophic synchrony in time and space (INSYNC)", financed by the Research Council Norway (FRIPRO program) for the period 2018-2021. The goal is to explore how climate change shapes spatial and temporal community dynamics - across species and trophic levels - on the high Arctic Svalbard tundra. Project partners include Univ. Groningen, Univ. Aberdeen, Univ. Iceland, CNRS Montpellier, Norwegian Meteorological Institute, University Centre in Svalbard (UNIS). Follow the project on twitter @BrageBH, youtube and ResearchGate.
Scientific, academic and artistic work
A selection of recent journal publications, artistic productions, books, including book and report excerpts. See all publications in the database
- (2020) High-Arctic family planning: earlier spring onset advances age at first reproduction in barnacle geese. Biology Letters. vol. 16.
- (2020) The Moran effect revisited: spatial population synchrony under global warming. Ecography. vol. 43.
- (2020) Climate synchronises shrub growth across a high‐arctic archipelago: contrasting implications of summer and winter warming. Oikos. vol. 129.
- (2020) The neglected season: Warmer autumns counteract harsher winters and promote population growth in Arctic reindeer. Global Change Biology.
- (2020) Environmental change reduces body condition, but not population growth, in a high arctic herbivore. Ecology Letters. vol. 24 (2).
- (2019) Spatiotemporal patterns of rain-on-snow and basal ice in high Arctic Svalbard: detection of a climate-cryosphere regime shift. Environmental Research Letters. vol. 14.
- (2019) More frequent extreme climate events stabilize reindeer population dynamics. Nature Communications. vol. 10 (1).
- (2019) Reindeer turning maritime: Ice-locked tundra triggers changes in dietary niche utilization. Ecosphere. vol. 10 (4).
- (2019) Spatial heterogeneity in climate change effects decouples the long‐term dynamics of wild reindeer populations in the high Arctic. Global Change Biology. vol. 25 (11).
- (2019) Contrasting consequences of climate change for migratory geese: Predation, density dependence and carryover effects offset benefits of high‐arctic warming. Global Change Biology.
- (2019) Density‐dependent population dynamics of a high Arctic capital breeder, the barnacle goose. Journal of Animal Ecology. vol. 88 (8).
- (2019) A Century of Conservation: The Ongoing Recovery of Svalbard Reindeer. Journal of Wildlife Management. vol. 83 (8).
- (2019) Sea ice loss increases genetic isolation in a high Arctic ungulate metapopulation. Global Change Biology. vol. 26 (4).
- (2018) A new NDVI measure that overcomes data sparsity in cloud-covered regions predicts annual variation in ground-based estimates of high arctic plant productivity. Environmental Research Letters. vol. 13.
- (2018) Annual ring growth of a widespread high arctic shrub reflects past fluctuations in community‐level plant biomass. Journal of Ecology. vol. 107 (1).
- (2017) Contrasting effects of summer and winter warming on body mass explain population dynamics in a food-limited Arctic herbivore. Global Change Biology. vol. 23 (4).
- (2017) Cratering behaviour and faecal C:N ratio in relation to seasonal snow-pack characteristics in a High-Arctic ungulate. Polar Research. vol. 36 (1).
- (2017) Ungulate population monitoring in an open tundra landscape: distance sampling versus total counts. Wildlife Biology. vol. 2017.
- (2017) Climate and density dependence cause changes in adult sex ratio in a large Arctic herbivore. Ecosphere. vol. 8 (2).
- (2016) Demographic buffering of life histories? Implications of the choice of measurement scale. Ecology. vol. 97 (1).