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Recolonisation of Artificial Sediments in the Deep Bay of Biscay By Tanaidaceans (Crustacea: Peracarida), With a Description of a New Species of Pseudotanais
Published online by Cambridge University Press: 11 May 2009
Extract
One of the more recent aims of deep-sea biological investigations has been to assess the rates and processes involved in the recolonisation of deep-sea sediments by the in situ fauna (Grassle, 1977; Desbruyères etal., 1980, 1985; Levin & Smith, 1984). The spur to such initiatives has been the prospect of deep-sea mineral exploitation and the dumping of radioactive and other chemical wastes (Desbruyères etal., 1 985), in addition to the testing of hypotheses about deep-sea community regulation (Levin & Smith, 1984; Smith, 1986). These experiments have shown that perturbated or defaunated sediments incubated for periods of several months are readily recolonised by deep-sea animals, although the process is much slower than in comparable shallow-water situations (e.g. Levin, 1984; Zajac & Whitlach, 1982a, b). Furthermore, the resulting community of colonists may be quantitatively and qualitatively different from the ‘background’ fauna (Grassle, 1977; Levin & Smith, 1984). Similar experiments have examined the effect of large ‘food-parcels’ on the in situ sediments and fauna (Smith, 1986), and a review of the responses of benthic faunas to disturbed sediments has been published by Thistle (1981).
- Type
- Research Article
- Information
- Journal of the Marine Biological Association of the United Kingdom , Volume 69 , Issue 2 , May 1989 , pp. 307 - 317
- Copyright
- Copyright © Marine Biological Association of the United Kingdom 1989
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