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Data from: Land use alters trophic redundancy and resource flow through stream food webs
- 负责人：
- Price, Elliott L.
- 关键词：
- Bottom-up control Diet estimates Energy Flow Stable isotope analysis Trophic redundancy Urban streams
- DOI：
- doi:10.5061/dryad.6g24f6k
- 摘要：
- ve consequences for community dynamics and ecosystem functioning. These empirical findings indicate that reducing nutrient pollution, agricultural runoff
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：
- to soil and reduce N pollution, but there is a need to identify controls on legume N2 fixation across ecosystems with variable soil conditions. Her
Data from: Human-induced marine ecological degradation: micropaleontological perspectives
- 负责人：
- DOI：
- doi:10.5061/dryad.2t604
- 摘要：
- records was nutrient enrichment and the resulting symptoms of eutrophication, including hypoxia. Other causes also played considerable roles in some areas, including severe
Data from: The relevance of ecological status to ecosystem functions and services in a large boreal lake
- 负责人：
- DOI：
- doi:10.5061/dryad.7h6p6
- 摘要：
- pollution. We particularly evaluated whether the observed descriptors of biodiversity, ecosystem functions and services were associated with the judgement
Canadian biodiversity: ecosystem status and trends 2010
- 负责人：
- 关键词：
- DOI：
- doi:10.5203/0061523
- 摘要：
- of sea ice in the Arctic has many current ecosystem impacts and is expected to trigger declines in ice-associated species such as polar bears. Nutrient
Water quality data for Fall Creek (Tompkins County, NY) sampling sites: 1972-1995
- 负责人：
- 关键词：
- water pollution streams watersheds stream flow water quality water pH agricultural pollution sediment pollution alkalinity calcium
- DOI：
- doi:10.5063/aa/gss1.12.16
- 摘要：
- Hedges. 1976. Phosphorus loss by stream transport from a rural watershed: Quantities, processes and sources. J. Environ Quality. 5:148-157. Johnson, Arthur
Water quality data for Fall Creek (Tompkins County, NY) sampling sites: 1972-1995
- 负责人：
- 关键词：
- streams, watersheds, stream flow, water pollution, water quality, water pH, agricultural pollution, sediment pollution, alkalinity, calcium, cations, anions, magnesium, chlorides, sulfates, potassium, sodium, nitrates, nitrogen, ammonium compounds, phosphorus Fall Creek Tompkins County, NY Fertilizers, Discharge\/Flow, Rivers\/Streams, Surface Water Chemistry, pH, Alkalinity, Nitrogen Compounds, Nutrients, Phosphorous Compounds, Water Ion Concentration, Suspended Solids
- DOI：
- doi:10.5063/aa/gss1.12.1
- 摘要：
- , and Anne Hedges. 1976. Phosphorus loss by stream transport from a rural watershed: Quantities, processes and sources. J. Environ Quality. 5:148-157. Johnson
Data from: Suburban watershed nitrogen retention: estimating the effectiveness of stormwater management structures
- 负责人：
- DOI：
- doi:10.5061/dryad.3d22k
- 摘要：
- of N pollution. Stormwater best management practices (BMPs) are used widely to remove excess N from runoff in urban and suburban areas, and are expected to perform
Water quality data for well, stream, and seep samples from the Harford Teaching and Research Farm (Cortland County, NY): 1974-1994
- 负责人：
- 关键词：
- water pollution streams watersheds water quality water pH agricultural pollution sediment pollution alkalinity anions chlorides
- DOI：
- doi:10.5063/aa/gss1.18.20
- 摘要：
- of N. Imports of N were 93 mt indicating a large excess of inputs relative to outputs. For comparison, a nitrogen balance for the adjacent Fall Creek watershed
Eurobarometer 73.5 (Jun 2010);;Eurobarometer 73.5 (Jun 2010);;Civil Justice, Development Aid, Africa and the European Union, and Food Risk;;Civil
- 负责人：
- , Espoo, Finland;;TNS GALLUP, Stockholm, Sweden;;TNS UK, London, United Kingdom;;TNS Opinion, Brussels (International Co-Ordination).
- 关键词：
- KAT12 International Institutions, Relations, Conditions KAT20 Legal system, Legislation, Law KAT31 Economic Policy, National Economic Situation KAT40 Patterns of Consumption KAT59 Medicine
- DOI：
- doi:10.4232/1.11432
- 摘要：
- , concerns about the safety of food); probability of certain dangerous events (being a victim of a crime, food and environmental pollution damages
