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共检索到97条 ,权限内显示50条;
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Data from: Short-term, low-level nitrogen deposition dampens a trophic cascade between bears and plants
- 负责人:
- DOI:
- doi:10.5061/dryad.30nj0tb
- 摘要:
- s any effect on cascades. Here, I asked whether low-level N deposition alters a trophic cascade from black bears to plants in Colorado
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: The diverse dietary profiles of MIS 3 cave bears from the Romanian Carpathians: insights from stable isotope (δ13C and δ15N) analysis
- 负责人:
- Robu, Marius
- DOI:
- doi:10.5061/dryad.m2fr6
- 摘要:
- Late Pleistocene European cave bears (Ursus spelaeus) have been considered to be largely vegetarian, although stable isotope data (δ13C and δ15N
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Caribou avoiding wolves face increased predation by bears – caught between Scylla and Charybdis
- 负责人:
- DOI:
- doi:10.5061/dryad.27sk5
- 摘要:
- r calf to predation selected for vegetative associations that were favourable to bears. 4. Synthesis and applications. We determined that mothers that mos
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Diet and macronutrient niche of Asiatic black bear (Ursus thibetanus) in two regions of Nepal during summer and autumn
- 负责人:
- Coogan, Sean
- DOI:
- doi:10.5061/dryad.81kk648
- 摘要:
- Relatively little is known about the nutritional ecology of omnivorous Asiatic black bears (Ursus thibetanus) in Nepal. We characterized the diet
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Data from: Complementary food resources of carnivory and frugivory affect local abundance of an omnivorous carnivore
- 负责人:
- Nielsen, Scott E.
- DOI:
- doi:10.5061/dryad.771t4
- 摘要:
- A major unresolved question for omnivorous carnivores, like most species of bears, is to what degree are populations influenced by bottom
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Linking GPS telemetry surveys and scat analyses helps explain variability in black bear foraging strategies
- 负责人:
- DOI:
- doi:10.5061/dryad.75r70
- 摘要:
- -individual dietary variability. We coupled GPS telemetry and scat analyses of black bears Ursus americanus Pallas to relate diet to individual char
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Collection of 7 Indian baskets on display, ca.1900
- 负责人:
- 关键词:
- tribal areas Indians -- Arts and crafts -- Basketry Indians of North America Indians of North America -- Industries Baskets Indians of North America -- Basket making
- DOI:
- doi:10.25549/chs-m15953
- 摘要:
- . They have differing woven patterns including stripes, zig-zags, steps, human and animal figures, etc. One of them bears a tag reading "No. 1, Kern". Image 26.
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Data from: Implications of the circumpolar genetic structure of polar bears for their conservation in a rapidly warming Arctic
- 负责人:
- DOI:
- doi:10.5061/dryad.v2j1r
- 摘要:
- Southern Canada and the Eastern Polar Basin towards the Canadian Archipelago, an area hypothesized to be a future refugium for polar bears as climate-induced
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Grizzly bear response to fine spatial and temporal scale spring snow cover in Western Alberta
- 负责人:
- 关键词:
- DOI:
- doi:10.5061/dryad.66gc768
- 摘要:
- , Canada. Made possible by newly available fine-scale snow cover data, this research tests a hypothesis that grizzly bears select for locations with les
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Multiple estimates of effective population size for monitoring a long-lived vertebrate: an application to Yellowstone grizzly bears
- 负责人:
- DOI:
- doi:10.5061/dryad.s6764
- 摘要:
- to measure in natural populations. The isolated and well-studied population of grizzly bears (Ursus arctos) in the Greater Yellowstone Ecosystem prov