An improved supra- and epibenthic sledge for catching Peracarida (Crustacea, Malacostraca)

Brandt, Angelika and Barthel, Dagmar (1995) An improved supra- and epibenthic sledge for catching Peracarida (Crustacea, Malacostraca) Ophelia, 43 (1). pp. 15-23. DOI 10.1080/00785326.1995.10430574.

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Abstract

A new type of epibenthic sledge is presented, which possesses an additional supranet above the epinet. Both nets are closed by an opening/closing device in the water column. The new construction allows a selective catch ofhigher suprafauna, which swims 1–1.33m above the seafloor, and a good discrimination between real suprafauna and epifauna. In total, 79581 Peracarida were sampled at 8 stations at about 75°N and 12°W, off Greenland. Of these, Isopoda were usually the most abundant group in the epinet, Amphipoda in the supranet. At the stations where suprafauna was abundant, the numbers of Mysidacea were usually higher in the epinet than in the supranet, probably due to differences in food supply, i.e. the enrichment of food in the benthic boundary layer.

Document Type: Article
Keywords: new sledge, epibenthos, suprabenthos, Crustacea, Peracarida.
Research affiliation: OceanRep > Institute for Marine Science Kiel
Refereed: Yes
DOI etc.: 10.1080/00785326.1995.10430574
ISSN: 0078-5326
Date Deposited: 08 Aug 2018 11:04
Last Modified: 08 Aug 2018 11:04
URI: http://eprints.uni-kiel.de/id/eprint/43959

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