筛选
科学数据
统计数据
共检索到97条 ,权限内显示50条;
Data from: Heritability of body size in the polar bears of Western Hudson Bay
- 负责人：
- Malenfant, René
- 关键词：
- Quantitative Genetics Mammals animal model GWAS single-nucleotide polymorphism Infinium BeadChip
- DOI：
- doi:10.5061/dryad.23d8v
- 摘要：
- Among polar bears (Ursus maritimus), fitness is dependent on body size through males' abilities to win mates, females' abilities to provide for thei
Data from: Life in the fat lane: seasonal regulation of insulin sensitivity, food intake, and adipose biology in brown bears
- 负责人：
- DOI：
- doi:10.5061/dryad.sc38b
- 摘要：
- Grizzly bears (Ursus arctos horribilis) have evolved remarkable metabolic adaptations including enormous fat accumulation during the active sea
Data from: Genetic connectivity for two bear species at wildlife crossing structures in Banff National Park
- 负责人：
- DOI：
- doi:10.5061/dryad.5q3b3
- 摘要：
- objective was to determine how the Trans-Canada Highway and crossing structures along it affect gene flow in grizzly (Ursus arctos) and black bears
Data from: Optimal foraging or surplus killing: selective consumption and discarding of salmon by brown bears
- 负责人：
- Lincoln, Alexandra
- DOI：
- doi:10.5061/dryad.3fg5r56
- 摘要：
- Selective consumption of prey by predators, observed in many animals, is often attributed to optimal foraging. Consistent with this idea, brown bears
Data from: Integrated population modeling provides the first empirical estimates of vital rates and abundance for polar bears in the Chukchi Sea
- 负责人：
- DOI：
- doi:10.5061/dryad.692jb15
- 摘要：
- -recapture, radiotelemetry, and count data for the Chukchi Sea subpopulation of polar bears (Ursus maritimus), 2008–2016. Our model addressed several challenges in capture
Data from: Projected polar bear sea ice habitat in the Canadian Arctic Archipelago
- 负责人：
- 关键词：
- 2006-2100
- DOI：
- doi:10.5061/dryad.g6q07
- 摘要：
- Background: Sea ice across the Arctic is declining and altering physical characteristics of marine ecosystems. Polar bears (Ursus maritimus) hav
Data from: Female American black bears do not alter space use or movements to reduce infanticide risk
- 负责人：
- DOI：
- doi:10.5061/dryad.1320p
- 摘要：
- . We used generalized linear mixed models to determine if space use and movements of female American black bears (Ursus americanus) duri
Data from: Movement ecology of brown bears (Ursus arctos) in the Romanian Eastern Carpathians
- 负责人：
- DOI：
- doi:10.5061/dryad.jk127ng
- 摘要：
- d from 13 brown bears fitted with GPS telemetry collars, we estimated home ranges and core activity areas and we investigated the daily, sea
Data from: Social network analysis of mating patterns in American black bears (Ursus americanus)
- 负责人：
- 关键词：
- Animal Mating/Breeding Systems Behavior/Social Evolution Mammals Wildlife Management Conservation Genetics
- DOI：
- doi:10.5061/dryad.c61q0
- 摘要：
- of parentage analyses, understanding mating patterns in solitary, elusive species like bears was virtually impossible. Here, we capitalize on a long-term
Data from: Berry production drives bottom-up effects on body mass and reproductive success in an omnivore
- 负责人：
- 关键词：
- Vaccinium myrtillus;Ursus arctos;masting;climate effects;life history traits;Vaccinium vitis-idaea
- DOI：
- doi:10.5061/dryad.772g3
- 摘要：
- , but they often rely on seasonally restricted highly nutritious fruiting bodies during critical life stages. Brown bears Ursus arctos in Sweden are dependent
