20210805 11284600 1.0 TRUE 150000000 5000 INSPIRE HEAT+-based classification of integrated eutrophication status 2019-05-08T00:00:00 2020-01-13T00:00:00 eea_v_3035_20_km_heat-eutrophication_p_2006-2016_v01_r00 HEAT+ eutrophication eutrophication status Europe seas marine Classification of eutrophication status for marine waters all over Europe, based on integrated HEAT+ tool. <DIV STYLE="text-align:Left;"><DIV><DIV><DIV STYLE="font-size:12pt"><P><SPAN>Map shows classification of eutrophication status for marine waters all over Europe, based on HEAT+ tool. Overall eutrophication status is the result of 3 aspects of eutrophication:</SPAN></P><P><SPAN>- Nutrient Concentrations</SPAN></P><P><SPAN>- Direct Effects</SPAN></P><P><SPAN>- Indirect Effects</SPAN></P><P><SPAN>Europe-wide application of the HEAT+ tool identified 'problem areas' and 'non-problem' areas with respect to nutrient enrichment and eutrophication. Status is evaluated in five classes:</SPAN></P><P><SPAN>- NPAhigh and NPAgood are recognised as ‘non-problem areas’</SPAN></P><P><SPAN>- PAmoderate, PApoor and PAbad are recognised as ‘problem areas’</SPAN></P><P><SPAN>The assessment is based on available data from the Regional Sea Conventions and from Member States. This is the first integrated assessment of the eutrophication status of Europe's seas; however, the spatial coverage could be improved, especially in the Mediterranean Sea and the Black Sea.</SPAN></P><P><SPAN>More information can be found in the report 'Nutrient enrichment and eutrophication in Europe's seas': https://www.eea.europa.eu/publications/nutrient-enrichment-and-eutrophication-in</SPAN></P></DIV></DIV></DIV></DIV> https://sdi.eea.europa.eu/catalogue/srv/eng/catalog.search#/metadata/7c66cfd5-4246-4b9d-86af-624950aa49d4 <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>EEA standard re-use policy: unless otherwise indicated, re-use of content on the EEA website for commercial or non-commercial purposes is permitted free of charge, provided that the source is acknowledged (http://www.eea.europa.eu/legal/copyright). Copyright holder: European Environment Agency (EEA).</SPAN></P></DIV></DIV></DIV> 20211117 The identification of 'problem areas' (areas affected by eutrophication) and 'non-problem areas' (areas unlikely to be affected by eutrophication) is based on the application of a multi-metric indicator-based eutrophication assessment tool named HEAT+. HEAT+ follows a stepwise approach ultimately resulting in an integrated assessment of eutrophication states: - Step 1: indicators are grouped as follows: (1) nutrient levels, (2) direct effects, and (3) indirect effects. - Step 2: for each indicator, a eutrophication ratio (ER) is calculated based on monitoring data from the period addressed as well as a target value: ER = indicator value/target value (1). - Step 3: within groups, an average ER is calculated. - Step 4: for each group, eutrophication status is classified in five classes based on the average group-specific ER, e.g. high: 0-0.5; good: 0.5-1.0; moderate: 1.0-1.5; poor: 1.5-2.0, bad: > 2.0, where high and good are equivalent to non-problem areas and moderate, poor and bad are equivalent to problem areas. - Step 5: the classifications are integrated, combining groups based on the 'one out, all out' principle. 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