The definitions of the notions ‘bio-indicator’ and ‘water quality’ are critically reviewed; it is shown that both have been used ambiguously.The quality of the Wadden Sea is discussed using a number of indicators for pollution effects; the Wadden Sea is now an unsuitable environment for a number of marine mammals, and, to a lesser extent, for some bird species. It cannot be shown whether or not this pollution has any effect on r-selective species.
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- Bio-Indicators and the Quality of the Wadden Sea
P. De Wolf
- Springer Netherlands
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