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共检索到943条 ,权限内显示50条;
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NPP Cropland: Gridded Estimates for the Central U.S.A., 1982-1996
- 负责人:
- DOI:
- doi:10.5063/aa/nceas.184.6
- 摘要:
- (e.g. grain) dry weight to plant above-ground dry weight; and (4) estimation of below-ground yield as a function of above-ground biomass. This approach
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
NPP Cropland: Gridded Estimates for the Central U.S.A., 1982-1996
- 负责人:
- DOI:
- doi:10.5063/aa/nceas.184.7
- 摘要:
- (e.g. grain) dry weight to plant above-ground dry weight; and (4) estimation of below-ground yield as a function of above-ground biomass. This approach
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Effects of sampling close relatives on some elementary population genetics analyses
- 负责人:
- 关键词:
- conservation genetics;Population Genetics - Theoretical;quantitative genetics;Ecological Genetics
- DOI:
- doi:10.5061/dryad.4pv20
- 摘要:
- of simply ignoring ECR could yield low-precision and often biased parameter estimates, and could cause too many false rejections of HWE and LE. The bold
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: How big is it really? Assessing the efficacy of indirect estimates of body size in Asian elephants
- 负责人:
- hsm29@cam.ac.uk
- DOI:
- doi:10.5061/dryad.p9r4k
- 摘要:
- to objective measures. Here, we investigate how well existing estimation equations predict the actual body weight of Asian elephants Elephas maximus, usi
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Pinus taeda growth areas allocated to mesozones
- 负责人:
- South African Environmental Observation Network
- 关键词:
- biomass agriculture growth areas mesozones pinus taeda yield estimation Agriculture Commercial forestry Forestry distribution
- DOI:
- doi:10.15493/bea.data.10000014
- 摘要:
- *The dataset shows climatically optimum growth areas and yield estimates of Pinus taeda allocated to mesozones. Yield estimates were derived from
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Forest extent and deforestation in tropical Africa since 1900
- 负责人:
- 关键词:
- DOI:
- doi:10.5061/dryad.r87p0
- 摘要:
- ed, yielding substantially slower deforestation than previous estimates (35–55%). However, deforestation was heterogeneous: West and East African forests hav
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Genetic substructure and admixture as important factors in linkage disequilibrium-based estimation of effective number of breeders
- 负责人:
- 关键词:
- DOI:
- doi:10.5061/dryad.504g0
- 摘要:
- for the two genetic clusters. We expected a potentially strong relationship between estimate sizes and genetic differentiation, which should disappear as the populati
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Long-term population size of the North Atlantic humpback whale within the context of worldwide population structure
- 负责人:
- DOI:
- doi:10.5061/dryad.bj506
- 摘要:
- ers. However, uncertain information on past abundance makes it difficult to assess the extent of the recovery in this species. While estimates of pre
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: RAD‐sequencing for estimating genomic relatedness matrix‐based heritability in the wild: a case study in roe deer
- 负责人:
- Quemere, Erwan
- DOI:
- doi:10.5061/dryad.n6d4mm5
- 摘要:
- Estimating the evolutionary potential of quantitative traits and reliably predicting responses to selection in wild populations are importa
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: An evaluation of the methods to estimate effective population size from measures of linkage disequilibrium
- 负责人:
- DOI:
- doi:10.5061/dryad.75g1b55
- 摘要:
- ng linkage disequilibrium as a statistical measure and, analogously, the problems in estimating effective population size from such measure. For that purpose, we compare thr