Abstract
The biomass of the benthic macrofauna of the tidal flats of the Banc d’Arguin, Mauritania, retained by a sieve of 0.6 mm, has been estimated. The total biomass amounts to about 17.0 g ash-free dry weight (AFDW) m-2 in the area sampled (about 300 km2). The large bivalve Anadara senilis is responsible for 8.1 g AFDW m-2, over 100 other species for another 8.9 gm-2. The largest biomasses are found near the continental shore; at the offshore tidal flats benthic filter-feeders are lacking. Seagrass beds, which occupy the larger part of the tidal flats, have an under average biomass. Sebkhas, extremely saline flats above mean high-water mark, contain no live animals. To sustain the consumption of benthic prey by the very abundant wintering shorebirds relatively low P/B ratios are sufficient.
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© 1993 Springer Science+Business Media Dordrecht
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Wolff, W.J. et al. (1993). Biomass of macrobenthic tidal flat fauna of the Banc d’Arguin, Mauritania. In: Wolff, W.J., van der Land, J., Nienhuis, P.H., de Wilde, P.A.W.J. (eds) Ecological Studies in the Coastal Waters of Mauritania. Developments in Hydrobiology 86, vol 86. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-1986-3_13
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DOI: https://doi.org/10.1007/978-94-011-1986-3_13
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