Distribution of biochemical oxygen demand concentrations in different parts of Europe
Data for the most recent available year aggregated across all sizes of rivers. The number of stations per region is in brackets.
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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