筛选
科学数据
统计数据
共检索到4473条 ,权限内显示50条;
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Stochastic evolutionary demography under a fluctuating optimum phenotype
- 负责人:
- DOI:
- doi:10.5061/dryad.101h0
- 摘要:
- how the mean and variance of log population size change with the variance and autocorrelation of deviations of the evolving mean phenotype from the opti
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Spatiotemporal relationship between adult census size and genetic population size across a wide population size gradient
- 负责人:
- DOI:
- doi:10.5061/dryad.f9f75
- 摘要:
- ameters. N or habitat size alone explained 47–57% of the variance in Nb, and Nb was strongly correlated with effective population size. The ratio Nb/N ranged from 0.01 to 0.45
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Effect of habitat fragmentation on the genetic diversity of peripheral populations of beech in Central Italy
- 负责人:
- DOI:
- doi:10.5061/dryad.34q04288
- 摘要:
- among populations coupled with lower level of within population variability is expected as a consequence of reduced population size and isolati
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Genetic variability and structuring of Arctic charr (Salvelinus alpinus) populations in northern Fennoscandia
- 负责人:
- DOI:
- doi:10.5061/dryad.d5n0d
- 摘要:
- Variation in presumably neutral genetic markers can inform us about evolvability, historical effective population sizes and phylogeographic history
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Variation in age and size in Fennoscandian three-spined sticklebacks (Gasterosteus aculeatus)
- 负责人:
- DOI:
- doi:10.5061/dryad.d2vh0
- 摘要:
- on the locality. On average, fish from marine populations were significantly older than those from freshwater populations, but variation within habitat types
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Microsatellite and major histocompatibility complex variation in an endangered rattlesnake, the Eastern Massasauga (Sistrurus catenatus)
- 负责人:
- 关键词:
- DOI:
- doi:10.5061/dryad.s6f76
- 摘要:
- Genetic diversity is fundamental to maintaining the long-term viability of populations, yet reduced genetic variation is often associated with sma
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Nonselective bottlenecks control the divergence and diversification of phase-variable bacterial populations
- 负责人:
- DOI:
- doi:10.5061/dryad.p46n0
- 摘要:
- can occupy a vast number of combinatorial expression states (phasotypes) enabling populations to rapidly access phenotypic diversity. The impositi
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Population divergence along lines of genetic variance and covariance in the invasive plant Lythrum salicaria in eastern North America
- 负责人:
- DOI:
- doi:10.5061/dryad.95vt1
- 摘要:
- population divergence. Evidence to support this hypothesis was obtained from the genetic variance–covariance matrix (G) and the matrix of (co)variance amo
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Plant reproductive strategies vary under low and high pollinator densities
- 负责人:
- DOI:
- doi:10.5061/dryad.73gp5
- 摘要:
- in the floral traits of plant populations in these landscapes, suggesting that variations in pollinator population density and foraging rates can drive floral trait evoluti
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Sensitivity analysis of effective population size to demographic parameters in house sparrow populations
- 负责人:
- DOI:
- doi:10.5061/dryad.8v0h7
- 摘要:
- from 13 natural populations of house sparrow (Passer domesticus) in Norway to calculate the demographic parameters that determine Ne/N. By usi