筛选
科学数据
统计数据
共检索到7581条 ,权限内显示50条;
Data from: The early spread and epidemic ignition of HIV-1 in human populations
- 负责人：
- 关键词：
- 20th century;phylogeography;Human Immunodeficiency Virus Type 1;Phylodynamics;population dynamics
- DOI：
- doi:10.5061/dryad.nn952
- 摘要：
- rly transmission and the source of pre-1960 pandemic viruses elsewhere. Location and dating estimates were validated using the earliest HIV-1 archival sample, als
Data from: Genomic data detect corresponding signatures of population size change on an ecological time scale in two salamander species
- 负责人：
- DOI：
- doi:10.5061/dryad.q74p1
- 摘要：
- Understanding the demography of species over recent history (e.g., < 100 years) is critical in studies of ecology and evolution, but records
Data from: Among-strain consistency in the pace and shape of senescence in duckweed
- 负责人：
- DOI：
- doi:10.5061/dryad.3pq02
- 摘要：
- 1.Comparative studies have demonstrated extensive variation in age-trajectories of mortality and fecundity, both within and among species, with ma
Data from: Toxic diffuse isolated cerebellar edema from over-the-counter health supplements
- 负责人：
- DOI：
- doi:10.5061/dryad.0j4kg0t
- 摘要：
Data from: Systolic blood pressure postural changes variability is associated with greater dementia risk
- 负责人：
- DOI：
- doi:10.5061/dryad.dncjsxkw6
- 摘要：
- e associated with incident dementia. Methods: We studied 2,131 older adults from the Health, Aging, Body Composition cohort study. Orthostatic BP was repeatedly
Data from: Leisure-time physical activity and dementia risk: a dose-response meta-analysis of prospective studies
- 负责人：
- DOI：
- doi:10.5061/dryad.6mj52
- 摘要：
- Background: Considerable evidences were indicative of favorable roles of physical activity (PA) in fighting against dementia. However, the shape
Data from: Community psychological and behavioral responses through the first wave of the 2009 influenza A(H1N1) pandemic in Hong Kong
- 负责人：
- DOI：
- doi:10.5061/dryad.1485f
- 摘要：
- Background. Little is known about the community psychological and behavioral responses to influenza pandemics. Methods. Using random digit dialing
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：
- of a population. Understanding which demographic processes that affect Ne/N most will improve our understanding of how genetic drift and the probability of fixation
Data from: High-resolution contact networks of free-ranging domestic dogs Canis familiaris and implications for transmission of infection
- 负责人：
- McDonald, Robbie A.
- DOI：
- doi:10.5061/dryad.7v62484
- 摘要：
- comparable to rabies and investigated the effects of including observed contact heterogeneities on epidemic outcomes. We found that dog contact network
Feeding the City II : Demesne Agriculture in the London Region, 1375-1400
- 负责人：
- 关键词：
- DOI：
- doi:10.5255/ukda-sn-3318-1
- 摘要：
- ;/i>. The aims of this project were twofold. Firstly, to examine the demands for foodstuffs and fuel generated by London in the later fourteenth
