All official European Union website addresses are in the europa.eu domain.
See all EU institutions and bodiesAn official website of the European Union | How do you know?
Environmental information systems
Trends in mean summer chlorophyll-a concentrations in Europe\'s Seas
Chart (static)
Number of stations in brackets
Downloads
Data sources
Metadata
More info
Loading
Baltic Sea: Denmark, Finland, Lithuania, Sweden North Sea: Belgium, Denmark, Netherlands, Norway, Sweden Mediterranean Sea: Greece Results of trend analyses applied to time series for the period 1985-2000 (stations with at least 3 years data in the period 1995-2000 and at least 5 years in total) are shown with a bar chart for each sea region.