Common Implementation Strategy for the Water Framework Directive (2000/60/EC)

Policy Document

Topics: Water and marine environment ,

Policy Summary of Guidance document No. 23 on Eutrophication assessment in the context of European water policies

The link address is: http://www.inag.pt/inag2004/port/divulga/Documentos_chave/comunit/CIS_DQA_guias/23_%2520Eutrophication.pdf

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Nutrients in transitional, coastal and marine waters This indicator illustrates the levels and trends in winter means of dissolved inorganic nitrogen (nitrate + nitrite + ammonium), oxidised nitrogen (nitrate + nitrite) and phosphate concentrations (micromol/l) in the regional seas of Europe.

Nutrients in transitional, coastal and marine waters The indicator shows 1) annual winter concentrations (micromol/l); 2) classification of concentration levels (i.e. low, moderate, high) and 3) trends in winter oxidised nitrogen (nitrate + nitrite) and phosphate concentration (micromol/l)in the regional seas of Europe. Levels and trends of winter concentrations of dissolved inorganic nutrients are used for this indicator, as it is assumed that winter concentrations are not significantly reduced due to uptake by primary producers. The winter period is defined as follows: January, February and March for stations east of longitude 15 degrees (Bornholm) in the Baltic Sea January and February for all other stations. The used regional and subregional seas of Europe are in line with the geographical regions and sub-regions specified in the Marine Strategy Framework Directive (MSFD). Other European Seas (Icelandic Sea, The Norwegian Sea, the Barents Sea and the White Sea) are not covered in this indicator due to current lack of data.

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Geographic coverage

Austria , Belgium , Bulgaria , Cyprus , Czech Republic , Denmark , Estonia , Finland , France , Germany , Greece , Hungary , Ireland , Italy , Latvia , Lithuania , Luxembourg , Malta , Netherlands , Poland , Portugal , Romania , Slovakia , Slovenia , Spain , Sweden , United Kingdom

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For references, please go to https://www.eea.europa.eu/policy-documents/common-implementation-strategy-for-the or scan the QR code.

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