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共检索到2187条 ,权限内显示50条;
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Data from: Intraspecific competition, not predation, drives lizard tail loss on islands
- 负责人:
- Itescu, Yuval
- 关键词:
- autotomy defense mechanism geckos intra-specific aggression islands lizards population density predation pressure
- DOI:
- doi:10.5061/dryad.2qd2g
- 摘要:
- ng autotomy rates. Intraspecific aggression, which may also cause tail loss, probably intensifies on islands due to the higher abundance.
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Rarity and incomplete sampling in DNA-based species delimitation
- 负责人:
- DOI:
- doi:10.5061/dryad.h6q11
- 摘要:
- ). However, the GMYC method was highly sensitive to variable effective population size (NeNe), which was exacerbated by variable species abundances
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Monitoring the relative abundance of bird and mammal species on Herschel Island
- 负责人:
- Canadian Polar Data Network (CPDN)
- 关键词:
- Abundance Birds Herschel Island Mammals Tundra Yukon International Polar Year-Arctic Wildlife Observatories Linking Vulnerable EcoSystems
- DOI:
- doi:10.5443/1731
- 摘要:
- The relative abundance of species is recorded as the number of individuals seen per hour spent in the field per observer. Each observer records da
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Data from: Evolution alters post-invasion temporal dynamics in experimental communities.
- 负责人:
- DOI:
- doi:10.5061/dryad.h140qq7
- 摘要:
- of temporal variation. 2. We assessed whether evolution altered the temporal variability in species’ abundances in simple assemblages of species. We then compared
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Data from: Ant diversity in Neotropical savannas: hierarchical processes acting at multiple spatial scales
- 负责人:
- DOI:
- doi:10.5061/dryad.pk71s98
- 摘要:
- , the Brazilian Cerrado. We measured species density – an abundance-dependent diversity metric – and rarefied species richness – an abundance-independent metric
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Data from: Fungal disease incidence along tree diversity gradients depends on latitude in European forests
- 负责人:
- DOI:
- doi:10.5061/dryad.389mt
- 摘要:
- . Disease incidence decreased with tree species richness in conifers, but not in broadleaved trees. However, for specific damage symptoms, no tree species richness
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Phenology of Drosophila species across a temperate growing season and implications for behavior
- 负责人:
- DOI:
- doi:10.5061/dryad.1bc102k
- 摘要:
- Drosophila community composition is complex in temperate regions with different abundance of flies and species across the growing season. Monitoring
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Data from: Environmental DNA analysis of river herring in Chesapeake Bay: a powerful tool for monitoring threatened keystone species
- 负责人:
- DOI:
- doi:10.5061/dryad.n60t8b3
- 摘要:
- Environmental DNA (eDNA) sampling has emerged as a powerful tool to detect and quantify species abundance in aquatic environments. However, relative
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Testing the scaling effects and mechanisms of N-induced biodiversity loss: evidence from a decade-long grassland experiment
- 负责人:
- DOI:
- doi:10.5061/dryad.h7893
- 摘要:
- t this overall positive effect was in response to positive effects of changes to the species abundance distribution over negative effects of ove
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Biodiversity change is uncoupled from species richness trends: consequences for conservation and monitoring
- 负责人:
- DOI:
- doi:10.5061/dryad.1sd59
- 摘要:
- tead, turnover was strongly influenced by changes in species presence (identities) and dominance (abundances). We further show that these metrics