The macrozoobenthos of the subtidal western dutch wadden sea. I. Biomass and species richness |
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| Institution: | 1. Department of Hydraulic Engineering, Delft University of Technology, The Netherlands;2. Department of Safety and Security Science, Delft University of Technology, The Netherlands;3. Department of Coastal Engineering, Hohai University, China;4. Department of Hydrology and Water Resources, Hohai University, China;1. Delft University of Technology, Civil Engineering and Geosciences, Stevinweg 1, 2628 CN Delft, the Netherlands;2. Van Oord DMC, Schaardijk 211, 3068 NH Rotterdam, the Netherlands;3. Department of Coastal Systems, Royal Netherlands Institute of Sea Research (NIOZ), Den Burg, the Netherlands;4. Conservation Ecology Group, Groningen Institute for Evolutionary Life Sciences, University of Groningen, Groningen, the Netherlands;5. Wageningen Marine Research, Korringaweg 7, 4401 NT Yerseke, the Netherlands |
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| Abstract: | During a one-year period in 1981–1982, a survey was conducted on the macrozoobenthos of the subtidal areas of the western half of the Dutch Wadden Sea. In total 80 species were found, half of them polychaetes. In terms of biomass, Mytilus edulis dominated the macrozoobenthos, with Hydrobia ulvae, Heteromastus filiformis, Carcinus maenas and Macoma balthica as other important species. Numerically important were also the polychaetes Pygospio elegans and Scoloplos armiger. Average macrozoobenthic biomass amounted to 43.7 g·m−2 ash-free dryweight. This value is in the same range as values from intertidal areas in the Wadden Sea. The relatively high value in comparison with data from similar subtidal areas is attributed to the important mussel culture in the area. |
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