Nitrate concentrations in rivers between 1992 and 2009 in different sea regions of Europe.
Regions: (the number of river monitoring stations included per sea region is given in parentheses)
Arctic Ocean (13)
Baltic Sea (395)
Black Sea (365)
Celtic Seas, Bay of Biscay, Iberian Coast (263)
Greater North Sea (420)
Mediterranean Sea (212)
For references, please go to http://www.eea.europa.eu/data-and-maps/figures/nitrate-concentrations-in-rivers-between-1 or scan the QR code.
PDF generated on 25 Feb 2017, 12:20 PM