筛选
科学数据
统计数据
共检索到1004条 ,权限内显示50条;
in South America
- 负责人：
- DOI：
- doi:10.5061/dryad.r282vk6
- 摘要：
- year were estimated. Incidence rate of CAP, within each age group, was calculated by dividing the number of cases by the person-years of disease-free
Data from: Subtle but ubiquitous selection on body size in a natural population of collared flycatchers over 33 years
- 负责人：
- DOI：
- doi:10.5061/dryad.24tm0
- 摘要：
- wing, tarsus and tail length, body mass) over a time period of 33 years (? 19 000 observations) in a nest-box breeding population of collared flycatchers
Data from: Mating opportunity increases with synchrony of flowering among years more than synchrony within years in a nonmasting perennial
- 负责人：
- DOI：
- doi:10.5061/dryad.487db24
- 摘要：
- reproductive activity fluctuates dramatically among years, mating synchrony is typically studied within years. However, opportunities to mate also vary among years
Data from: The modulating role of group stability on fitness effects of group size is different in females and males of a communally rearing rodent
- 负责人：
- Ebensperger, Luis A.
- DOI：
- doi:10.5061/dryad.fh517
- 摘要：
- and DNA markers to determine social and fitness measures. Social stability in degus was variable in terms of the number of changes in group composition ac
Data from: Combined effects of retention forestry and prescribed burning on polypore fungi
- 负责人：
- 关键词：
- dead wood;early seral;retention trees;Forest management;pine forest;wood fungi;early succession
- DOI：
- doi:10.5061/dryad.718q8
- 摘要：
- the treatments, and again 2, 4 and 10 years after the treatments. 3. The number of polypore species and records initially increased rather slowly but sh
Data from: Plant spines deter herbivory by restricting caterpillar movement
- 负责人：
- DOI：
- doi:10.5061/dryad.4781n
- 摘要：
- (S. carolinense, S. atropurpureum and S. aethiopicum) and also manipulated spine numbers within each species. We found that M. sexta caterpillars located exper
Data from: A comparison of breeding population estimators using nest and brood monitoring data
- 负责人：
- DOI：
- doi:10.5061/dryad.vp18t
- 摘要：
- appears to result in reasonably precise estimates of numbers of breeding pairs. Regardless of the estimation method, investigators are encouraged
Data from: Genetic diversity of oilseed rape fields and feral populations in the context of coexistence with GM crops
- 负责人：
- DOI：
- doi:10.5061/dryad.pc6sd
- 摘要：
- . The cultivar composition of feral populations was similar to that of field plants, with an increasing number of cultivars each year. By using gene
Data from: The impact of reconstruction methods, phylogenetic uncertainty and branch lengths on inference of chromosome number evolution in Amer
- 负责人：
- 关键词：
- Model Uncertainty;Dysploidy;Model averaging;ancestral state reconstruction;Asteraceae;Melampodium
- DOI：
- doi:10.5061/dryad.6r12h
- 摘要：
- . For studying chromosome number evolution, dedicated models implemented in the program ChromEvol and ordered maximum parsimony may be most app
Data from: Cytology and sexuality of 11 species of Elatostema (Urticaceae) in limestone karsts suggests that apomixis is a recurring phenomenon
- 负责人：
- DOI：
- doi:10.5061/dryad.h7790
- 摘要：
- Limestone karsts across southern China to southeastern Asia are renowned biodiversity hotspots. The karst are characterized by exposed calcar
