筛选
科学数据
统计数据
共检索到752条 ,权限内显示50条;
Data from: Disentangling the spatial and temporal causes of decline in a bird population
- 负责人：
- 关键词：
- population decline
- DOI：
- doi:10.5061/dryad.xksn02vc3
- 摘要：
- how much weather conditions and research activities contributed to the decrease of the different demographic rates. The decline of the hoopoe population
Data from: Patterns of mammalian population decline inform conservation action
- 负责人：
- DOI：
- doi:10.5061/dryad.88nd5
- 摘要：
- incidences of decline within 75 populations of mammalian species using a time-series analysis method. These included: linear, quadratic convex (accelerati
Data from: Fitness decline under osmotic stress in Caenorhabditis elegans populations subjected to spontaneous mutation accumulation at varying
- 负责人：
- DOI：
- doi:10.5061/dryad.d6441s7
- 摘要：
- ons. Our results suggest that fitness decline is due to large effect mutations which are rapidly removed via selection even in small populations
Data from: Conservation of the threatened species Pulsatilla vulgaris Mill. (pasqueflower) is aided by reproductive system and polyploidy
- 负责人：
- DOI：
- doi:10.5061/dryad.q0ht491
- 摘要：
- decline observed in English populations of Pulsatilla vulgaris and the consequences for conservation. Using ten nuclear microsatellite markers, we compare genetic variati
Data from: Microsatellite analysis of museum specimens reveals historical differences in genetic diversity between declining and more stable Bombus
- 负责人：
- DOI：
- doi:10.5061/dryad.251r0
- 摘要：
- . However, populations of declining bumblebee species showed a significantly lower genetic diversity than co-occurring stable species before their major
Data from: Consequences of habitat change and resource selection specialization for population limitation in cavity-nesting birds
- 负责人：
- DOI：
- doi:10.5061/dryad.tr25v
- 摘要：
- se of their population decline. Synthesis and applications. Management should target species that specialize in resource selection on a declining resource
ological marginality or recent population decline
- 负责人：
- DOI：
- doi:10.5061/dryad.8835
- 摘要：
- t the population dynamics and life history of wind-pollinated forest trees may provide a buffer against steep population declines of short duration, a result having importa
Data from: Evolution of drift robustness in small populations
- 负责人：
- 关键词：
- DOI：
- doi:10.5061/dryad.nr780
- 摘要：
- ss declines. Here, using mathematical modeling and digital experimental evolution, we show that small populations do evolve a reduced vulnerability to drift
Data from: Fitness decline in spontaneous mutation accumulation lines of Caenorhabditis elegans with varying effective population sizes
- 负责人：
- DOI：
- doi:10.5061/dryad.v5012
- 摘要：
- at varying population sizes with corresponding differences in the efficacy of selection. Productivity and survivorship in the N = 1 lines declined by 44
Data from: At risk of population decline? An ecological and genetic approach to the threatened palm species Butia eriospatha (Arec
- 负责人：
- 关键词：
- DOI：
- doi:10.5061/dryad.1s8f7
- 摘要：
- To estimate the risk of population decline for the threatened palm species Butia eriospatha, we investigated the patterns of demography
