Development of mean plot concentration in open-field measurements of sulphate (SO4, 285 plots), nitrate (NO3, 294 plots), and ammonium (NH4, 294 plots); 1996-2001
Geographical coverage note: Plots are located in 14 mostly central European countries and are not representative of the European scale.
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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