筛选
科学数据
统计数据
共检索到744条 ,权限内显示50条;
Data from: Age and terminal reproductive attempt influence laying date in the Thorn-tailed Rayadito
- 负责人:
- DOI:
- doi:10.5061/dryad.bq468qc
- 摘要:
- -life declines are a typical feature of variation in reproduction. However, the cause of these declines, and thus their implications for the evolution
Data from: Top carnivore decline has cascading effects on scavengers and carrion persistence
- 负责人:
- DOI:
- doi:10.5061/dryad.6d5046c
- 摘要:
- Top carnivores have suffered widespread global declines, with well-documented effects on mesopredators and herbivores. We know les
Data from: Seven decades of mountain hare counts show severe declines where high?yield recreational game bird hunting is practised
- 负责人:
- DOI:
- doi:10.5061/dryad.s70544p
- 摘要:
- then until 2017, with a density index falling to <1% of initial levels after 2008. Before 1999, declines were associated with conifer planting and were least
Data from: Disassembly of a tadpole community by a multi-host fungal pathogen with limited evidence of recovery
- 负责人:
- DOI:
- doi:10.5061/dryad.q586c
- 摘要:
- Emerging infectious diseases can cause host community disassembly, but the mechanisms driving the order of species declines and extirpations
Data from: Differences in spatial synchrony and interspecific concordance inform guild-level population trends for aerial insectivorous birds
- 负责人:
- 关键词:
- aerial insectivorous birds population synchrony spatial concordance North American Breeding Bird Survey
- DOI:
- doi:10.5061/dryad.364mb
- 摘要:
- Stelgidopteryx serripennis. Aerial insectivores have undergone severe guild-wide declines that were considered more prevalent in northeastern North America. Her
Data from: The rise and fall of arbuscular mycorrhizal fungal diversity during ecosystem retrogression
- 负责人:
- DOI:
- doi:10.5061/dryad.tq0ft
- 摘要:
- phylogenetic diversity on the oldest soils occurred, despite invariant host plant diversity and only small declines in host cover along the chronosequence. Differences
Data from: The conservation status and population decline of the African penguin deconstructed in space and time
- 负责人:
- DOI:
- doi:10.5061/dryad.vx0k6djp7
- 摘要:
- prey of African penguins. Our results underline the dynamic nature of population declines in space as well as time and highlight which penguin colonies
Data from: Contrasting patterns of local richness of seedlings, saplings and trees may have implications for regeneration in rainforest remnants
- 负责人:
- DOI:
- doi:10.5061/dryad.3jt6kh3
- 摘要:
- t, and about 20 percent lower than in an extensive tract of selectively logged forest, providing evidence of recruitment declines in fragments. Seedling richnes
Data from: Habitat enhancements rescue bee body size from the negative effects of landscape simplification
- 负责人:
- Grab, Heather
- 关键词:
- Body size Habitat restoration Intraspecific variation Land use change Wildflower plantings Agroecosystem Wild bee
- DOI:
- doi:10.5061/dryad.4b08gn8
- 摘要:
- is a morphological trait that is strongly linked to foraging ability, immune function, and fitness in bees. Landscape simplification has been associated with size declines
Data from: Correlates of habitat fragmentation and northern bobwhite abundance in the Gulf Prairie Landscape Conservation Cooperative
- 负责人:
- DOI:
- doi:10.5061/dryad.5nk0j
- 摘要:
- The northern bobwhite Colinus virginianus has experienced range-wide declines over the last several decades, primarily due to habitat loss