筛选
科学数据
统计数据
共检索到429条 ,权限内显示50条;
Great Plains Population and Environment Data: Social and Demographic Data, 1870-2000 [United States];;Version 2
- 负责人:
- 关键词:
- DOI:
- doi:10.3886/icpsr04296.v2
- 摘要:
- of the 12 Great Plains states. Information on a variety of social and demographic topics was gathered to historically characterize populations living
Great Plains Population and Environment Data: Social and Demographic Data, 1870-2000 [United States];;Archival Version
- 负责人:
- 关键词:
- DOI:
- doi:10.3886/icpsr04296
- 摘要:
- of the 12 Great Plains states. Information on a variety of social and demographic topics was gathered to historically characterize populations living
Data from: Climate, demography, and lek stability in an Amazonian bird
- 负责人:
- DOI:
- doi:10.5061/dryad.5d23f
- 摘要:
- empirical tests for the hypotheses that lek stability is facilitated by age-specific variation in demographic rates, and by predictable, abundant resources
Data from: Evolutionary tracking is determined by differential selection on demographic rates and density dependence.
- 负责人:
- DOI:
- doi:10.5061/dryad.w6m905qmg
- 摘要:
- own to be an oversimplification as the environment may impose selective pressure on specific demographic rates (birth and death) rather than directly on r (the difference bet
Data from: Demographic drivers of a refugee species: large-scale experiments guide strategies for reintroductions of hirola
- 负责人:
- DOI:
- doi:10.5061/dryad.480tf
- 摘要:
- the finite rate of population change (?) and demographic sensitivities. Mean survival for all age classes and population growth was highest in the low
Data from: Small-scale and regional spatial dynamics of an annual plant with contrasting sexual systems
- 负责人:
- DOI:
- doi:10.5061/dryad.74p78
- 摘要:
- s on local demographic properties by investigating patterns of spatial autocorrelation in population density across years. We found positive
Data from: A spatially explicit hierarchical model to characterize population viability
- 负责人:
- Campbell, Steven
- 关键词:
- demography capture-recapture CAR model multi-state model population viability analysis recruitment Sonoran desert tortoise spatial autoregressive model survival spatial variation
- DOI:
- doi:10.5061/dryad.v0q5035
- 摘要:
- it estimates of recruitment (R). We combine local estimates of demographic rates in stage-structured population models to estimate the rate of population change
Data from: Effects of the demographic transition on the genetic variances and covariances of human life history traits
- 负责人:
- DOI:
- doi:10.5061/dryad.4cg84
- 摘要:
- The recent demographic transitions to lower mortality and fertility rates in most human societies have led to changes and even quick reversals
Data from: Demographic properties shape tree size distribution in a Malaysian rain forest
- 负责人:
- DOI:
- doi:10.5061/dryad.bb460
- 摘要:
- -dependent demographic rates. We found that the observed size distributions were not simply correlated with the rate of population increase but were relate
Data from: Interactive life-history traits predict sensitivity of plants and animals to temporal autocorrelation
- 负责人:
- Maria Paniw
- 关键词:
- environmental variation fast-slow continuum life-history strategy matrix population model multivariate analysis population projections reproductive strategy seed dormancy vital rates
- DOI:
- doi:10.5061/dryad.d851q
- 摘要:
- population growth rates (log λs) under different temporal autocorrelations in demographic rates, using simulated and observed covariation among rates. We then tes