dataService

您的位置: 首页 > 数据服务 > 数据列表页

筛选

共检索到3996条 ,权限内显示50条;

Data from: Assessing the effect of time-scaling methods on phylogeny-based analyses in the fossil record
负责人:
关键词:
Cladistics;sampling in the fossil record;Macroevolution;phylogenetic comparative methods;diversification
DOI:
doi:10.5061/dryad.187nt
摘要:
ons of the fossil record that allow the comparison of approximated time-scaled trees to true time-scaled trees. I used this simulation framework to test the effect of time
Data from: Quantifying human presence in a heterogeneous urban landscape
负责人:
关键词:
repeatability;life-history traits;urbanisation;human presence;Habituation;Cyanistes caeruleus;Parus major;wildlife;simulations
DOI:
doi:10.5061/dryad.08p2s85
摘要:
referred to as human disturbance), is repeatable across the urban mosaic over time. We quantified human presence at fixed locations - here in a 15 meters
Data from: The biogeography of deep time phylogenetic reticulation
负责人:
关键词:
Neural networks;Lampropeltis;kingsnakes;Miocene;hybridization;Pliocene;Pleistocene
DOI:
doi:10.5061/dryad.4qs50
摘要:
, it is not unusual to find reticulation among terminal lineages or among internal nodes (deep time reticulation; DTR). In these situations, gene flow must hav
Data from: An R package for analyzing survival using continuous-time open capture-recapture models
负责人:
关键词:
inhomogeneous Poisson process;estimation bias;1994-2013;survival analysis model;frequentist inference;maximum likelihood estimation
DOI:
doi:10.5061/dryad.53j96
摘要:
models incorporating an inhomogeneous Poisson process for modelling capture histories. First, data were simulated from a continuous-time protocol. These data were use
Data from: Exceptional preservation and the fossil record of tetrapod integument
负责人:
Eliason, Chad
关键词:
Lagerst?tten Soft Tissue Preservation Taphonomy Terrestrial Feathers Hair
DOI:
doi:10.5061/dryad.1c5k9
摘要:
. Here, we investigate the preservation of skin and keratinous integumentary structures in land-dwelling vertebrates (tetrapods) through time
Data from: The time of origin and genetic diversity of three isolated Kokanee populations in southwest Alaska
负责人:
Olsen, Jeffrey B.
关键词:
Kokanee Sockeye Salmon ecotype coalescent
DOI:
doi:10.5061/dryad.478f5
摘要:
ee lakes and proximate Sockeye Salmon populations. Coalescent-based estimates of the time of origin for kokanee in Jo-Jo Lake (170 years before present [ybp
Data from: Time dependency of molecular evolutionary rates? Yes and no
负责人:
关键词:
selection;time-dependency
DOI:
doi:10.5061/dryad.9124
摘要:
Some previous studies have suggested that rates of evolution inferred using molecular sequences vary substantially depending on the time frame ove
Data from: Vegetation type controls root turnover in global grasslands
负责人:
关键词:
DOI:
doi:10.5061/dryad.3sm0340
摘要:
of climate impacts on root turnover time. The findings necessitate accurate representation of vegetation type in Earth system models to predict root functi
Food Policy Research Capacity Indicators (FPRCI), 2011-2017: 2018 Global Food Policy Report Annex Table 4
负责人:
IFPRI-Data;;International Food Policy Research Institue (IFPRI)
关键词:
DOI:
doi:10.7910/dvn/lr6cqc
摘要:
onal publications by the number of full-time equivalent researchers with a PhD, providing a measure of productivity.
Data from: What keeps family physicians busy in Portugal? A multi-centre observational study of work other than direct patient contacts
负责人:
关键词:
PRIMARY CARE;Human resource management;Organisation of health services
DOI:
doi:10.5061/dryad.2hr40
摘要:
ngs, management and communication with other professionals (33.4% of their workload). FP with larger patient lists spent less time on these tasks (p=0.002). Older

意 见 箱

匿名:登录

个人用户登录

找回密码

第三方账号登录

忘记密码

个人用户注册

必须为有效邮箱
6~16位数字与字母组合
6~16位数字与字母组合
请输入正确的手机号码

信息补充