筛选
科学数据
统计数据
共检索到8458条 ,权限内显示50条;
Data from: Contrasting effects of large density changes on relative testes size in fluctuating populations of sympatric vole species
- 负责人：
- DOI：
- doi:10.5061/dryad.p8791
- 摘要：
- of five species of voles to investigate whether RTS responds to natural fluctuations in population density, i.e. variation in sperm competition risk. We sh
Data from: Experimental evidence that density mediates negative frequency-dependent selection on aggression
- 负责人：
- Kilgour, Julia
- 关键词：
- resource limitation behavioural phenotypes competition Hawk-Dove models resource defense theory
- DOI：
- doi:10.5061/dryad.mv352kc
- 摘要：
- . 2. The goal of this study was to experimentally assess the effects of population density and phenotypic frequency on selection on aggressi
Data from: Random-close packing limits for monodisperse and polydisperse hard spheres
- 负责人：
- 关键词：
- DOI：
- doi:10.5061/dryad.35td0
- 摘要：
- e distributed in a narrow density range from ? = 0.634-0.636 to ? ? 0.64; closest jamming densities for monodisperse packings generated with low compressi
Data from: Life history evolution in guppies VIII: the demographics of density regulation in guppies (Poecilia reticulata)
- 负责人：
- DOI：
- doi:10.5061/dryad.ps1931hb
- 摘要：
- t assumes density-independent population growth predicts that life histories will not evolve under such circumstances, yet we have shown with field
Data from: Population variation in density-dependent growth, mortality and their trade-off in a stream fish
- 负责人：
- DOI：
- doi:10.5061/dryad.573n5tb3h
- 摘要：
- . Understanding this population variation is critical for predicting density-dependent relationships in natural populations, but comparisons among studies ar
Data from: Limited emigration from an outbreak of a forest pest insect
- 负责人：
- 关键词：
- insects;Population Ecology;Thaumetopoea pinivora;Ecological Genetics;Population Genetics - Empirical
- DOI：
- doi:10.5061/dryad.gg610
- 摘要：
- Population density and individual dispersal behaviour affect species? distribution dynamics. Population densities vary over time, and some species
Data from: Density-dependent space use affects interpretation of camera trap detection rates
- 负责人：
- 关键词：
- DOI：
- doi:10.5061/dryad.r2280gb8k
- 摘要：
- of population-level relative abundance indices by movement depends on how regularly, and by what magnitude, movement rate and home-range size vary with density
Data from: A model for non-monotonic intensity coding
- 负责人：
- 关键词：
- neural coding;Drosophila;olfaction;associative learning;Homeostatic plasticity;Stimulus intensity
- DOI：
- doi:10.5061/dryad.qk0b0
- 摘要：
- Peripheral neurons of most sensory systems increase their response with increasing stimulus intensity. Behavioural responses, howeve
Data from: Prey selection of Scandinavian wolves: single large or several small?
- 负责人：
- DOI：
- doi:10.5061/dryad.n863q
- 摘要：
- s we found no effect of snow depth, time during winter, or other predator-related factors on the wolves’ choice to kill moose or roe deer. Moose population density
Data from: Ant colonies maintain social homeostasis in the face of decreased density
- 负责人：
- 关键词：
- DOI：
- doi:10.5061/dryad.sh4m4s6
- 摘要：
- Interactions lie at the heart of social organization, particularly in ant societies. Interaction rates are presumed to increase with density
