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Nitrate concentrations in rivers between 1992 and 2010 in different geographical regions of Europe.: The data series per region are calculated as the average of the annual mean for river monitoring stations in the region. Only complete series after inter/extrapolation are included (see indicator specification). The number of river monitoring stations included per geographical region is given in parentheses
Located in Data and maps › Maps and graphs
Trend in median total ammonium, total phosphorus and nitrate concentration of river water bodies, grouped by ecological status/potential class: Concentrations are expressed as a median of annual mean concentrations. Up to three-year gaps of missing values have been interpolated or extrapolated. Only complete series with no missing values after this interpolation/extrapolation are included. The number of time series/river stations is shown in parentheses. The trend for 1992 to 2010 for each of the ecological quality classes has been linearly extended to 2027 — or when the concentration level becomes negative.
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EEA Report 2/2006 - Integration of environment into EU agriculture policy - the IRENA indicator-based assessment report: This report aims to provide a fair reflection of the progress, the achievements and obstacles in the integration of environmental concerns into EU agriculture policy, based on indicators developed in the IRENA operation (see Section 1.3). It also tackles limitations to successful policy implementation at Member State level, and challenges ahead.
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Nitrate concentrations in rivers between 1992 and 2008 in different sea regions of Europe.: The sea region data series are calculated as the average of annual mean data from river monitoring stations in each sea region. The data thus represents rivers or river basins draining into that particular sea. Only complete series after inter/extrapolation are included (see indicator specification). Two regions are not shown in the figure due to a lack of data (Barents Sea: 1 station, Norwegian Sea: 2 stations); these stations have NO3 concentrations below 0.8 mg/l N.
Located in Data and maps › Maps and graphs
Annual average nitrate concentration in rivers: Located in Data and maps › Maps and graphs
Nitrate concentrations in rivers between 1992 and 2008 in different geographical regions of Europe.: The data series per region are calculated as the average of the annual mean for river monitoring stations in the region. Only complete series after inter/extrapolation are included (see indicator specification). The number of river monitoring stations included per geographical region is given in parentheses.
Located in Data and maps › Maps and graphs
Nitrate vulnerable zones, EU: Note: the Commission assessment is based on a (non-exhaustive) review on available information on waters with excessive nitrate concentrations threatened with eutrophication.
Located in Data and maps › Maps and graphs
Nitrate concentration in groundwater: Located in Data and maps › Maps and graphs
Nitrate in European rivers, 1994-96: Located in Data and maps › Maps and graphs
Present concentration of nitrate at groundwater sampling sites in European countries: Located in Data and maps › Maps and graphs