Figure
Nitrate or total oxidised nitrogen concentrations in different sized European rivers
Figure
Created 12 Nov 2009
Published 12 Nov 2009
Last modified 29 Nov 2012
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min read
Median of measured annual average concentrations
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Figure type:
- Graph
Additional information
Total oxidised nitrogen (TON) is the sum of nitrate and nitrite. Some countries monitor TON instead of nitrate. Nitrite levels are often much lower than nitrate, and therefore for the purposes of this assessment, nitrate and TON are considered to be approximately equivalent.
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For references, please go to https://www.eea.europa.eu/data-and-maps/figures/nitrate-or-total-oxidised-nitrogen-concentrations-in-different-sized-european-rivers or scan the QR code.
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