Journal
ESTUARINE COASTAL AND SHELF SCIENCE
Volume 53, Issue 5, Pages 665-669Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1006/ecss.2001.0811
Keywords
sediment stability; benthos; erosion; intertidal flats; Humber
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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. (C) 2001 Academic Press.
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