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共检索到407条 ,权限内显示50条;
New Zealand sea lion populations
- 负责人:
- DOI:
- doi:10.5061/dryad.118vg
- 摘要:
- st that even low harvest rates would likely have driven rapid extinction of these lineages. This study indicates that surviving Phocarctos populations ar
Data from: Three types of rescue can avert extinction in a changing environment
- 负责人:
- DOI:
- doi:10.5061/dryad.p96b7
- 摘要:
- c rescue for reducing extinction and increasing growth of threatened populations are untested, and which type of rescue is effective may vary with population size. Usi
Data from: Metapopulation dynamics of the mistletoe and its host in savanna areas with different fire occurrence
- 负责人:
- DOI:
- doi:10.5061/dryad.jk12v
- 摘要:
- me. Local mistletoe populations went extinct due to two different causes: patch extinction in area with no fire and fire killing in the burned areas
Data from: Consequences of a poecilogonous life history for genetic structure in coastal populations of the polychaete Streblospio benedicti
- 负责人:
- DOI:
- doi:10.5061/dryad.6rh86
- 摘要:
- al and gene flow, and thus has sweeping evolutionary effects on the potential for local adaptation and on rates of speciation, extinction, and molecular evoluti
Data from: Concordance in evolutionary history of threatened plant and insect populations warrant unified conservation management approaches
- 负责人:
- DOI:
- doi:10.5061/dryad.3qs21
- 摘要:
- two conservation units across each species, with the microsatellites also showing a high evolutionary congruency between plant and insect populations. The extinction
Data from: Impact of forestry practices at a landscape scale on the dynamics of amphibian populations
- 负责人:
- DOI:
- doi:10.5061/dryad.rt1kg
- 摘要:
- densities related to timber harvest, subsequent extinctions are rare. To better understand the population dynamics that have allowed so many amphibian species
Data from: Loss of genetic diversity and increased embryonic mortality in non-native lizard populations
- 负责人:
- DOI:
- doi:10.5061/dryad.048kf
- 摘要:
- is suspected to contribute to extinction of wild populations, but the historical and demographic factors that contribute to reduced population viability are oft
Data from: At risk of population decline? An ecological and genetic approach to the threatened palm species Butia eriospatha (Arecaceae
- 负责人:
- 关键词:
- DOI:
- doi:10.5061/dryad.1s8f7
- 摘要:
- c drift. With no recruitment and a mortality rate of 2.0%, we show that the populations investigated in this study would be at an extremely high risk of local extinction
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:
- , as well as by life-history variation. In M. annua, regional variation in apparent extinction rates is affected by life history and implicated in regulating the geographical distribution of populations
Data from: Is colour polymorphism advantageous to populations and species?
- 负责人:
- DOI:
- doi:10.5061/dryad.dn0qk
- 摘要:
- on in Molecular Ecology. Bolton et al. (2015) argue that colour polymorphism may reduce population fitness and increase extinction risk, and emphasize that this is contrary