Frequency of low bottom oxygen concentrations in coastal and marine waters
Assessment made on 01 May 2004
ClassificationWater (Primary theme)
Coasts and seas
- WEU 015
Policy issue: Is the condition regarding eutrophication of Europe's seas improving?
Generally no trend is observed in the frequency of low oxygen concentrations (hypoxia) in the Baltic Sea, the North Sea and the Mediterranean Sea.
Generally no trend is observed in the frequency of hypoxia in the North Sea or the Mediterranean Sea during the period 1985-2002. Significant trends are observed at a few stations in the Baltic Sea although with no specific pattern. The most drastic change in the frequency of hypoxia in Danish waters occurred from the 1970s to the 1980s (Ærtebjerg et al. 2002). Many stations had too few data to provide sufficient power in the trend analysis.
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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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