dataService

您的位置: 首页 > 数据服务 > 数据列表页

筛选

共检索到741条 ,权限内显示50条;

Data from: Overcoming the challenge of small effective sample sizes in home-range estimation
负责人:
关键词:
Tapirus terrestris;Tracking Data;calibration data
DOI:
doi:10.5061/dryad.16bc7f2
摘要:
t cause substantial biases in home?range estimation. Specifically, the effective sample size of a range estimate is proportional to the number of observed
Data from: Accounting for female space sharing in St. Kilda Soay sheep (Ovis aries) results in little change in heritability estimates
负责人:
Regan, Charlotte E.
关键词:
Philopatry Additive genetic variance 'animal model' Home range Common environment
DOI:
doi:10.5061/dryad.qv145
摘要:
ve. We used data from the St. Kilda Soay sheep population to estimate heritabilities with and without accounting for space sharing for five traits for which
Feasible Extraction of Maize Residues from Formal Agriculture
负责人:
South African Environmental Observation Network
关键词:
biomass potential agriculture residue maize Agriculture Commercial crop system Energy Bioenergy
DOI:
doi:10.15493/bea.data.10000071
摘要:
the Department of Agriculture (2014).* On such land, production of Maize was estimated from scaled productivity (Schulze et. al. yield estimates applied to recent
Data from: Techniques for estimating the size of low density gopher tortoise populations
负责人:
关键词:
cluster size analysis;line transect distance sampling;systematic sampling;population density;Gopher tortoise;pseudo-circuit;abundance;Gopherus polyphemus;burrows
DOI:
doi:10.5061/dryad.786r6
摘要:
population estimates are required to aid management and guide policy needed to recover the species. Line transect distance sampling has been adopted as the preferred
Data from: Techniques for estimating the size of low density gopher tortoise populations
负责人:
Stober, Jonathan M.
关键词:
abundance burrows cluster size analysis line transect distance sampling Gopher tortoise population density pseudo-circuit systematic sampling
DOI:
doi:10.5061/dryad.786r6.1
摘要:
population estimates are required to aid management and guide policy needed to recover the species. Line transect distance sampling has been adopted as the preferred
Feasible Extraction of Wheat Residues in the Western Cape
负责人:
South African Environmental Observation Network
关键词:
biomass potential agriculture residue wheat Agriculture Commercial crop system Energy Bioenergy
DOI:
doi:10.15493/bea.data.10000072
摘要:
of the Western Cape (2014). * On such land, production of wheat was estimated from scaled net primary productivity (Schulze et. al.) with yield estimates
Data from: Heterogeneous rates of molecular evolution and diversification could explain the Triassic age estimate for angiosperms
负责人:
关键词:
divergence times;rates of molecular evolution;Angiosperms;Birth-death;land plants
DOI:
doi:10.5061/dryad.629sc
摘要:
of simulations to explore the possibility that the older age estimates are a consequence of (i) major shifts in the rate of sequence evolution near the base
Hydro-CH2018 reservoirs
负责人:
Brunner, Manuela Irene
关键词:
CLIMATE CHANGE RESERVOIRS WATER DEMAND WATER SCARCITY WATER SUPPLY
DOI:
doi:10.16904/envidat.69
摘要:
on and livestock feeding), - 5) ecology (residual flows), and - 6) hydropower.Future estimates consider changes in demand related to population growth and changes
Data from: Correction for bias in meta-analysis of little-replicated studies
负责人:
关键词:
R script
DOI:
doi:10.5061/dryad.5f4g6
摘要:
1. Meta-analyses conventionally weight study estimates on the inverse of their error variance, in order to maximize precision. Unbiased variability
Data from: Proxies in practice: calibration and validation of multiple indices of animal abundance
负责人:
Falcy, Matthew
关键词:
Calibration Chinook salmon Convenience sample cross validation indices monitoring proxies weighted regression
DOI:
doi:10.5061/dryad.nk513
摘要:
and unbiased estimates of abundance are often cost prohibitive. Proxies of abundance are therefore common, but require calibration and validation. There are ma

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