MSFD regions

Group of VariablesBaltic SeaIberian peninsula - Macaronesia - Bay of BiscayGreater North Sea - Celtic Sea - FaroesArctic Ocean - Norwegian Sea - Greenland Sea - Barents Sea - Icelandic WatersMediterranean SeaBlack Sea - Sea of Azov - Marmara Sea
Acidity 
 
Antifoulants 
 
Chlorophyll 
 
Dissolved gasses 
 
Fertilisers 
 
Hydrocarbons 
 
Heavy metals 
 
Organic matter 
 
Polychlorinated biphenyls 
 
Pesticides and biocides 
 
Radionuclides 
 
Silicates 
 
1-50
51-250
251-1000
1001-2500
2501-5000
5001-10000
10001-25000
>25000
Legend - number of measurement data sets for each variable per marine region