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共检索到741条 ,权限内显示50条;
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Data from: Overcoming the challenge of small effective sample sizes in home-range estimation
- 负责人:
- 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
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
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.
- 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
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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
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Techniques for estimating the size of low density gopher tortoise populations
- 负责人:
- 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
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
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
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
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
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Heterogeneous rates of molecular evolution and diversification could explain the Triassic age estimate for angiosperms
- 负责人:
- 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
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Hydro-CH2018 reservoirs
- 负责人:
- Brunner, Manuela Irene
- 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
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
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
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
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