Winter surface concentrations of nitrates in sea water
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.
For references, please go to http://www.eea.europa.eu/data-and-maps/figures/winter-surface-concentrations-of-nitrates-in-sea-water or scan the QR code.
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