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共检索到20961条 ,权限内显示50条;
Data from: Congestion reduction through efficient container movement under stochastic demand
- 负责人：
- DOI：
- doi:10.5061/dryad.mcvdncjxf
- 摘要：
- containers from the ports to the consignees. However, to fully maximize the process and become more environmentally friendly, one should also study
National Camping Market Survey, 1978;;Archival Version
- 负责人：
- 关键词：
- DOI：
- doi:10.3886/icpsr07800
- 摘要：
- ormation. There are four files of data, each with 2,013 records: file one contains the first 80 columns of data per respondent; file two contains the second 80
Data from: Generalist predator's niche shifts reveal ecosystem changes in an experimentally fragmented landscape
- 负责人：
- DOI：
- doi:10.5061/dryad.56b81
- 摘要：
- Habitat fragmentation can alter the trophic structure of communities and environmental conditions, thus driving changes in biodiversity
Data from: Pigmentation and fitness trade-offs through the lens of artificial selection
- 负责人：
- DOI：
- doi:10.5061/dryad.rj2tb
- 摘要：
- Pigmentation is a classic phenotype that varies widely and adaptively in nature both within and among taxa. Genes underlying pigmentation phenotype
Corn supplementation on milk urea nitrogen content of dairy cows grazing on temperate annual pasture
- 负责人：
- DOI：
- doi:10.6084/m9.figshare.11804175.v1
- 摘要：
- ABSTRACT: The excretion of urinary nitrogen (N), one of the most important environmental contaminants from livestock systems, is highly correlated
Corn supplementation on milk urea nitrogen content of dairy cows grazing on temperate annual pasture
- 负责人：
- DOI：
- doi:10.6084/m9.figshare.11804175
- 摘要：
- ABSTRACT: The excretion of urinary nitrogen (N), one of the most important environmental contaminants from livestock systems, is highly correlated
Data from: Intraspecific DNA contamination distorts subtle population structure in a marine fish: decontamination of herring samples
- 负责人：
- 关键词：
- population genetics;Heterozygosity;DNA contamination;Pacific herring;Clupea pallasii;RAD sequencing
- DOI：
- doi:10.5061/dryad.g28rh86
- 摘要：
- Wild specimens are often collected in challenging field conditions, where samples may be contaminated with the DNA of conspecific individuals
GBIF Occurrence Download
- 负责人：
- DOI：
- doi:10.15468/dl.f66hzh
- 摘要：
- A dataset containing 718 species occurrences available in GBIF matching the query: Geometry: POLYGON((20 -70, 30 -70,30 -75, 20 -75, 20 -70
In vivo Study of the Effects of a Northern Contaminant Mixture (NCM) on the Development of Metabolic and Cardiovascular Diseases under Conditions
- 负责人：
- Canadian Polar Data Network (CPDN)
- 关键词：
- Diet Disease Heavy metal Lifestyle Methylmercury Persistent organic pollutants (POPs) Northern Contaminants Program
- DOI：
- doi:10.5443/12422
- 摘要：
- and a mixture of 22 contaminants found in the Inuit blood. After four weeks of daily dosing, the animals were sacrificed. Blood, urine, and organs were collected
Data from: Relative contributions of offspring quality and environmental quality to adult field performance
- 负责人：
- DOI：
- doi:10.5061/dryad.8hk49
- 摘要：
- Determinants of adult performance, such as growth and survival, are influenced by extrinsic, environmental and intrinsic, phenotypic factors
