HELCOM
The Baltic Sea - an introduction
State of the Baltic Sea Environment
Indicators 2004
Indicators 2003
Water exchange and conditions in the deep basins
Freshwater runoff
Oxygen in the deep basins
Atmospheric nitrogen emission
Atmospheric nitrogen depositions
Phytoplankton spring bloom
Blue-green algae and phytoplankton succession
Phytoplankton chlorophyll from satellite
Trends in chlorophyll
Atmospheric heavy metal emissions
Atmospheric heavy metal depositions
Trace metals in Baltic Sea waters
Caesium-137 in sediments
Illegal discharges of oil
Indicators 2002
Ecosystem Approach
The Baltic Sea of Surprises
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Helsinki Commission
Environment
Pollution
Man and the Baltic
HELCOM Atlas
Figure 4a. Chlorophyll-a map of the Baltic Sea from satellite remote sensing of Ocean Colour (July-August 2001)
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Helsinki Commission
