Observed change in chlorophyll-a concentrations in coastal and open waters of the Baltic, North East Atlantic and Mediterranean Sea, 1985-2010

Figure Created 11 Sep 2012 Published 26 Mar 2013 Last modified 26 Aug 2017
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The map shows stations with a statistically significant decrease (green), increase (red) or no trend (yellow) within the period 1985-2010. Selected stations must have at least data in the period from 2007 to present and at least 5 years data in all. Note that the open sea stations around Faroe Islands are included under Celtic Seas.


European data


Additional information

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 herein due to lack of data.


Geographic coverage

Temporal coverage

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