筛选
科学数据
统计数据
共检索到47条 ,权限内显示50条;

Source apportionment of nutrient contributions to rivers in England and Wales modelled with SAGIS
- 负责人:
- Daldorph, Peter;;UK Water Industry Research;;Environmental Information Data Centre
- 关键词:
- Pollution
- DOI:
- doi:10.5285/8c5d9e38-0244-4a39-8600-a85513a6fecf
- 摘要:
- with SAGIS (Source Apportionment GIS). The nutrients include nitrate (mg/l N) and ortho-phosphate (mg/l P); the estimate loads are expressed as kilograms pe

Data from: Novel forests maintain ecosystem processes after the decline of native tree species
- 负责人:
- 关键词:
- DOI:
- doi:10.5061/dryad.rs7b0
- 摘要:
- of the functional effects of diversity, but they also suggest basic ecosystem processes will continue even after dramatic losses of native species diversity if simple

Data from: Riparian leaf litter decomposition on pond bottom after a retention on floating vegetation
- 负责人:
- DOI:
- doi:10.5061/dryad.392gf43
- 摘要:
- and carbon losses from leaf litter decomposing on the pond bottom for the first 25 days of the experiment were greater than those from the litter decomposing

Aggregate mesquite litter mass following soil-litter mixing and decomposition in a semi-arid grassland from 2010-2012
- 负责人:
- 关键词:
- DOI:
- doi:10.6073/pasta/fb37cfb595956225c316160a84442f68
- 摘要:
- ified. Vegetation structure was manipulated to simulate losses of grass cover from livestock grazing and shrub encroachment. I hypothesized that reductions in grass cover would

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:
Leaching losses of dissolved organic carbon (DOC) and nitrogen (DON) from agricultural systems are important

Data from: Tillage and fertilizer effects on crop yield and soil properties over 45 years in southern Illinois
- 负责人:
- Cook, Rachel L.
- DOI:
- doi:10.5061/dryad.7920c
- 摘要:
- therefore may allow farmers to maintain high yields while reducing soil and nutrient losses.

Data from: Soil microbial biomass increases along elevational gradients in the tropics and sub-tropics but not elsewhere
- 负责人:
- DOI:
- doi:10.5061/dryad.nc57k7g
- 摘要:
- . Tropical ecosystems, already at risk from species extinctions, will likely experience declines in SMB as the climate warms, resulting in losses of fundament

Data from: Feedbacks between nitrogen fixation and soil organic matter increase ecosystem functions in diversified agroecosystems
- 负责人:
- jblesh@umich.edu, Jennifer Blesh
- 关键词:
- agroecosystem biological nitrogen fixation cover crop mineralization particulate organic matter soil carbon soil organic matter
- DOI:
- doi:10.5061/dryad.70q4744
- 摘要:
- Nitrogen (N) losses from intensified agriculture are a major cause of global change, due to nitrate (NO3-) export and the eu

Data from: Transcriptomics of host-specific interactions in natural populations of the parasitic plant purple witchweed (Striga hermonthica)
- 负责人:
- Lopez, Lua
- DOI:
- doi:10.5061/dryad.s98q453
- 摘要:
- hica (Delile) Benth.] causes devastating crop losses in sub-Saharan Africa and is capable of infesting a wide range of grass hosts. Despite some evidence

Data from: Environmental context shapes the long?term role of nutrients in driving producer community trajectories in a top?down dominated
- 负责人:
- DOI:
- doi:10.5068/D14671
- 摘要:
- al heterogeneity can mask bottom-up processes. Moreover, shifts in relative species abundances revealed that after 10 months, nutrient addition caused increased community