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Destabilization of cohesive intertidal sediments by infauna
de Deckere, E.M.G.T.; Tolhurst, T.J.; de Brouwer, J.F.C. (2001). Destabilization of cohesive intertidal sediments by infauna. Est., Coast. and Shelf Sci. 53(5): 665-669. dx.doi.org/10.1006/ecss.2001.0811
In: Estuarine, Coastal and Shelf Science. Academic Press: London; New York. ISSN 0272-7714; e-ISSN 1096-0015, more
Peer reviewed article  
Available in  Authors 
Keywords
    Aquatic communities > Benthos
    Erosion
    Sediments
    Stability > Sediment properties > Sediment stability
    Topographic features > Landforms > Coastal landforms > Tidal flats
    ANE, British Isles, England, Humberside, Humber Estuary [Marine Regions]; UK [Marine Regions]
    Marine/Coastal; Brackish water
Author keywords
    sediment stability; benthos; erosion; intertidal flats; Humber
Authors  Top 
  • de Deckere, E.M.G.T., more
  • Tolhurst, T.J.
  • de Brouwer, J.F.C., more
Abstract
    Bioturbation activity was reduced in four plots on an intertidal mudflat in the Humber estuary (UK) during 4 days, by spraying the sediment with an insecticide, namely vydate. Macrofaunal, especially Nereis diversicolor and oligochaeta, and meiofaunal densities decreased, while the diatom biomass did not change. This resulted in a 300% increase in sediment stability, caused by a reduction in bioturbation and grazing pressure and a decrease in the water content.
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