Percentage of river monitoring stations per country reporting increasing (upward) or decreasing (downward) trends in nitrate concentrations (1992 to 2004)
Analysis based on representative river monitoring stations except for Norway where flux monitoring stations were used.
For references, please go to www.eea.europa.eu/soer or scan the QR code.
This briefing is part of the EEA's report The European Environment - State and Outlook 2015. The EEA is an official agency of the EU, tasked with providing information on Europe's environment.
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