筛选
科学数据
统计数据
共检索到26条 ,权限内显示50条;

Data from: Leaching losses of dissolved organic carbon and nitrogen from agricultural soils in the upper US Midwest
- 负责人:
- DOI:
- doi:10.5061/dryad.0p2ngf1xb
- 摘要:
- in the upper Midwest U.S. Leaching was estimated from concentrations in soil water and modeled drainage (percolation) rates. DOC leaching rates (kg ha

Regional patterns of anthropogenic influences on streams and rivers in the conterminous United States, from the early 1970s to 2012
- 负责人:
- 关键词:
- Space Science 59999 Environmental Sciences not elsewhere classified 39999 Chemical Sciences not elsewhere classified Ecology 69999 Biological Sciences not elsewhere classified Inorganic Chemistry Science Policy
- DOI:
- doi:10.6084/m9.figshare.7873247.v1
- 摘要:
- h of the Midwest; increases in the concentration of livestock, particularly of hogs/pigs; increases in irrigation, dams, and reservoirs in the Lower Mi

Data from: Comparative water use by maize, perennial crops, restored prairie, and poplar trees in the US Midwest
- 负责人:
- Hamilton, S. K.
- 关键词:
- evapotranspiration soil moisture content biofuels water balance water use efficiency maximum aboveground biomass yield
- DOI:
- doi:10.5061/dryad.5b743
- 摘要:
- water contents in five perennial systems—switchgrass, miscanthus, native grasses, restored prairie, and hybrid poplar—and in annual maize (corn) in a temperate

Data from: Epidemiology of Hepatitis E Virus in China: results from the Third National Viral Hepatitis Prevalence Survey, 2005-2006
- 负责人:
- DOI:
- doi:10.5061/dryad.sd116
- 摘要:
- , the age group of 15–60 year olds, and those living in the Midwest or Mideast region and in Xinjiang province had the highest seroprevalence estimates

Data from: Bryophyte community composition and diversity are indicators of hydrochemical and ecological gradients in temperate kettle hole mires
- 负责人:
- DOI:
- doi:10.5061/dryad.7m0cfxpq3
- 摘要:
- Peatlands are subject to increased pressure from environmental and land-use change, particularly in temperate regions such as the US Midwest

Data from: Natural and anthropogenic influences on the mating system of the common morning glory
- 负责人:
- DOI:
- doi:10.5061/dryad.dn6vr
- 摘要:
- of environments from the Southeast and midwest USA. We identify a disparate set of environmental factors to influence population-level variation in selfing

Data from: A three decade assessment of climate-associated changes in forest composition across the north-eastern USA
- 负责人:
- DOI:
- doi:10.5061/dryad.qj8gh
- 摘要:
- the Midwest Broadleaf ecological province. Consequently, a clear shift in species composition is currently underway in the beech-maple-birch (BMB) forest

Data from: Crop domestication facilitated rapid geographical expansion of a specialist pollinator, the squash bee Peponapis pruinosa
- 负责人:
- López-Uribe, Margarita M.
- DOI:
- doi:10.5061/dryad.5j354
- 摘要:
- in the present-day continental Midwest USA and not from routes that followed the Gulf and Atlantic coasts from Mexico. Populations of P. pruinosa west

Data from: Genetic reconstruction of a bullfrog invasion to elucidate vectors of introduction and secondary spread
- 负责人:
- DOI:
- doi:10.5061/dryad.g81c8
- 摘要:
- diverse sources. Three cyt b haplotypes were identical to native haplotypes distributed across the Midwest and Great Lakes regions, and AMOVA confirmed

Data from: Elevated genetic diversity of mitochondrial genes in asexual populations of bark lice ("Psocoptera": Echmepteryx hageni)
- 负责人:
- Shreve, Scott M.
- DOI:
- doi:10.5061/dryad.018n5
- 摘要:
- revealed little geographic structure among asexual E. hageni, although specimens from the upper Midwest form a single clade and are gene