Winter surface concentrations of nitrates in sea water

Figure Created 12 Nov 2009 Published 12 Nov 2009 Last modified 29 Nov 2012, 11:38 AM
Mean winter surface concentrations of nitrates (NO3-N+NO2-N) in sea water



Additional information

Classification is not related to background values. In addition, the results of trend analyses of time series 1985-2000 (with at least three years data in the period 1995-2000) are shown for each country by a pie diagram. Pie diagrams are based on statistical trend assessments of nutrient concentrations at individual stations and show the percentage of stations with increasing, decreasing or no trend respectively.

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