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Wadden Sea

Main Contributors:

Johanna Yletyinen

Other Contributors:

Summary

The Wadden Sea is a large, relatively flat coastal environment. Strong increases in nutrient concentrations and primary production took place in the Wadden Sea in the late 1970s and 1980s. Indications of hypoxia in Wadden Sea were first observed in 1988. In 1996, large anoxic areas occurred in the East Frisian basin. It is debated whether hypoxia in the Wadden Sea is natural or not, but the signs of eutrophication are clear.  

Type of regime shift

Ecosystem type

  • Marine & coastal

Land uses

  • Fisheries

Spatial scale of the case study

  • Sub-continental/regional (e.g. southern Africa, Amazon basin)

Continent or Ocean

  • Europe

Region

  • Northwest continental Europe

Countries

  • Netherlands
  • Germany

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Key References

  1. Colijn C, van Beusekorn J. 2005. Effects of eutrophication of phytoplankton community and growth in the Wadden Sea. In: Wilson, J (Ed.). 2005. THe intertidal Ecosystem: The Value of Ireland's Shores, 58-68.
  2. Hoppema J. 1991. The oxygen budget of the western Wadden Sea, The Netherlands. Estuarine, Coastal and Shelf Science 32, 483-502.
  3. Kaiser J, Lutter S. 1998. Do we have the right strategeis to combat eutrophication in the Wadden Sea? - A critical review of current policies. Senckenbergiana Maritima 29, 17-24.

Citation

Johanna Yletyinen. Wadden Sea. In: Regime Shifts Database, www.regimeshifts.org. Last revised 2011-12-05 08:11:29 GMT.
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