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The ebb tidal delta of the Grevelingen: a man-made nursery for flatfish?
Hamerlynck, O.; Hostens, K.; Mees, J.; Arellano, R.V.; Cattrijsse, A.; Van de Vyver, P.; Craeymeersch, J.A. (1992). The ebb tidal delta of the Grevelingen: a man-made nursery for flatfish? Neth. J. Sea Res. 30: 191-200. https://dx.doi.org/10.1016/0077-7579(92)90057-L
In: Netherlands Journal of Sea Research. Netherlands Institute for Sea Research (NIOZ): Groningen; Den Burg. ISSN 0077-7579; e-ISSN 1873-1406, meer
Peer reviewed article  
Beschikbaar in  Auteurs 
Trefwoorden
    ANE, Netherlands, Grevelingen L.
    ANE, Netherlands, Oosterschelde
    Aquatic communities > Benthos > Zoobenthos
    Barriers
    Engineering > Coastal engineering
    Environmental factors > Anthropogenic factors
    Environmental impact
    Fisheries > Demersal fisheries
    Motion > Water motion > Circulation > Water circulation > Shelf dynamics > Estuarine dynamics
    Nursery grounds
    Sediments
    Species diversity
    Water bodies > Inland waters > Lakes > Artificial lakes
    Water bodies > Inland waters > Lakes > Salt lakes
    Limanda limanda (Linnaeus, 1758) [WoRMS]; Solea solea (Linnaeus, 1758) [WoRMS]
    Grevelingenmeer [Marine Regions]; Oosterschelde [Marine Regions]
    Marien/Kust
Auteurs  Top 
  • Hamerlynck, O., meer
  • Hostens, K., meer
  • Mees, J., meer
  • Arellano, R.V.
  • Cattrijsse, A., meer
  • Van de Vyver, P.
  • Craeymeersch, J.A., meer
Abstract
    In order to investigate the impact of the closure of the Grevelingen estuary on the benthic life and nursery function of its ebb tidal delta, a comparison was made between the present ebb tidal deltas of the Grevelingen and the Eastern Scheldt. Three groups of benthic animals were compared: macrobenthos, epibenthic animals (including demersal fish) and hyperbenthos. The ebb tidal delta of the Grevelingen is much richer for almost all animal groups discussed. The data suggest that this richness is a consequence of the changes that have occurred in the hydrodynamics since the closure of the Grevelingen estuary in 1971. The area now traps and retains mud, detritus, larvae of different groups of infaunal animals, larvae of epibenthic crustaceans, and eggs and larvae of fish. This change is reflected in the increased importance of the area as a nursery for flatfish, especially dab and sole. However, the increase in the nursery function of the ebb tidal delta does not make up for the loss of nursery areas in the estuary itself.
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