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共检索到1345条 ,权限内显示50条;
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An evaluation of soil sampling methods in support of precision agriculture in Northeastern North Carolina
- 负责人:
- 关键词:
- Geographic Information Science and Technology precision agriculture soil sampling GIS North Carolina
- DOI:
- doi:10.25549/usctheses-c3-377297
- 摘要:
- of application of one or more materials to be adjusted based on positioning information and predetermined application rates. The basis for VRT is soil sampling
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Data from: Correcting for missing and irregular data in home-range estimation
- 负责人:
- Fleming, Christen
- 关键词:
- Mongolian gazelle
- DOI:
- doi:10.5061/dryad.n42h0
- 摘要:
- e are three situations where weight optimization improves the accuracy of home-range estimates: with marine data, where the sampling schedule is highly
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: The use of MSR (Minimum Sample Richness) for sample assemblage comparisons
- 负责人:
- DOI:
- doi:10.5061/dryad.p1b6b
- 摘要:
- r underlying original living communities. Ultimately, it can be used to identify which assemblages require further sampling before being included
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Data from: Techniques for estimating the size of low density gopher tortoise populations
- 负责人:
- DOI:
- doi:10.5061/dryad.786r6
- 摘要:
- able 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
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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:
- able 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: Taxon Influence Index: assessing taxon-induced incongruities in phylogenetic inference
- 负责人:
- DOI:
- doi:10.5061/dryad.86137tk6
- 摘要:
- values in frequentist approaches measure the variability of the estimates due to the sampling of sites from genes and the sampling of genes from genomes. Howeve
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Data from: Sex, size and timing: sampling design for reliable population genetics analyses using microsatellite data
- 负责人:
- 关键词:
- Boloria aquilonaris
- DOI:
- doi:10.5061/dryad.5j13n
- 摘要:
- ely sample size, sex ratio, and timing of sampling) on the estimation of allele frequencies and its potential downstream impact on the estimation of genetic paramete
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: The program STRUCTURE does not reliably recover the correct population structure when sampling is uneven: sub-sampling and new estimat
- 负责人:
- DOI:
- doi:10.5061/dryad.2d4m9
- 摘要:
- estimates of the true number of subpopulations. Distinct subpopulations with reduced sampling tended to be merged together, whilst at the same time
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Data from: A combined field survey and molecular identification protocol for comparing forest arthropod biodiversity across spatial scales
- 负责人:
- DOI:
- doi:10.5061/dryad.8g5d2
- 摘要:
- of the Linnean shortfall to yield diversity estimates that can be directly compared across independent studies. Field sampling can be extended to other arthropod
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: A non-lethal sampling method to obtain, generate and assemble whole-blood transcriptomes from small, wild mammals
- 负责人:
- DOI:
- doi:10.5061/dryad.p760b
- 摘要:
- of blood, which represents the upper limit of sample collection for some small species. In this study, we developed a nonlethal sampling method