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共检索到2689条 ,权限内显示50条;
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Data from: A quantitative test of population genetics using spatio-genetic patterns in bacterial colonies
- 负责人:
- DOI:
- doi:10.5061/dryad.3147q
- 摘要:
- cell migration along an edge. Moreover, the model allows us to estimate other key parameters including effective population size (density) at the expansi
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Field manipulations of resources mediate the transition from intraspecific competition to facilitation
- 负责人:
- Svanfeldt, Karin
- DOI:
- doi:10.5061/dryad.sc4s4
- 摘要:
- resource availability over natural population densities for the marine bryozoan Watersipora subtorquata. 4. We found negative effects of density on colony performance
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Genetic variation and clonal diversity in introduced populations of Mimulus guttatus assessed by genotyping at 62
- 负责人:
- DOI:
- doi:10.5061/dryad.91v3n
- 摘要:
- genotypic variation and population structure in non-native populations of the facultative clonal herb Mimulus guttatus in the United Kingdom (UK). Methods
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Range expansion is associated with increased survival and fecundity in a long-lived bat species
- 负责人:
- DOI:
- doi:10.5061/dryad.66bp77v
- 摘要:
- ies which belong to an expanding population with those inferred for the remaining 16 colonies from a non-expanding population reveals that range expansi
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Data from: Constitutive and herbivore-induced plant defenses regulate herbivore population growth
- 负责人:
- Kersch-Becker, Monica
- 关键词:
- constitutive defenses induced defenses herbivory jasmonate-salicylate antagonism jasmonic acid phytohormones plant resistance population dynamics
- DOI:
- doi:10.5061/dryad.4nr0843
- 摘要:
- initial population density and herbivore load. We manipulated jasmonate defenses by using genetically modified lines of tomato plants (Solanum lycopersi
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Inter-annual variability and long-term trends in breeding success in a declining population of migratory swans
- 负责人:
- DOI:
- doi:10.5061/dryad.65k7g
- 摘要:
- and predator (Arctic fox) abundance was higher. The percentage of young within the wintering population also showed negative density-dependence. Inter-annual
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: How obstacles perturb population fronts and alter their genetic structure
- 负责人:
- DOI:
- doi:10.5061/dryad.k5r31
- 摘要:
- As populations spread into new territory, environmental heterogeneities can shape the population front and genetic composition. We focus her
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Data from: Post-Pleistocene demographic history of the North Atlantic endemic Irish moss Chondrus crispus: glacial survival, spatial expansi
- 负责人:
- 关键词:
- glacial refugium;Chondrus crispus;Late Pleistocene;Population Expansion;Chondrus;phylogeography
- DOI:
- doi:10.5061/dryad.7921
- 摘要:
- Range expansions and gene flow as micro-evolutionary processes played a leading role in the population demographic history of marine organisms. Herei
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Herbivory differentially affects plant fitness in three populations of the perennial herb Lythrum salicaria along a latitudinal gradient
- 负责人:
- 关键词:
- DOI:
- doi:10.5061/dryad.mk966
- 摘要:
- plant population dynamics and evolution. Latitudinal variation in intensity of herbivory is common, but the extent to which it translates into corresponding variation
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Mating system and genetic diversity of progenies before and after logging: a case study of Bagassa guianensis (Moraceae), a low-density
- 负责人:
- DOI:
- doi:10.5061/dryad.58mg2
- 摘要:
- The logging of large trees in tropical forests causes a decrease in the density of reproductive individuals, which likely affects the pattern