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Biodiversity of the benthos and the avifauna of the Belgian coastal waters: summary of data collected between 1970 and 1998
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The macrobenthic fauna in the Dutch sector of the North Sea in 1998 and a comparison with previous data
The macrobenthic fauna in the dutch sector of the north sea in 1997 and a comparison with previous data
De Schelde: een stroom natuurtalent