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Cephalopods of the northern Mid-Atlantic Ridge Vecchione, M.; Young, R.E.; Piatkowski, U. (2010). Cephalopods of the northern Mid-Atlantic Ridge. Mar. Biol. Res. 6(1): 25-52. http://dx.doi.org/10.1080/17451000902810751 In: Marine Biology Research. Taylor & Francis: Oslo; Basingstoke. ISSN 1745-1000; e-ISSN 1745-1019

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Beschikbaar in	Auteurs
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Trefwoorden

A, Mid-Atlantic Ridge Distribution Environments > Aquatic environment > Pelagic environment > Oceanic province > Bathypelagic zone Environments > Aquatic environment > Pelagic environment > Oceanic province > Mesopelagic zone Epibenthos Equipment > Fishery industry equipment > Fishing gear Species diversity Trawling Water > Deep water Zoogeography Cephalopoda [WoRMS] Mid-Atlantic Ridge [Marine Regions] Marien/Kust

Author keywords

Bathypelagic; deep sea; distribution; epibenthic; mesopelagic; octopods;squids; trawling-gear comparisons; zoogeography

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Auteurs		Top
Vecchione, M. Young, R.E. Piatkowski, U.

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Abstract

A two-leg cruise of R/V G. O. Sars in summer of 2004 along the Mid-Atlantic Ridge explored the diversity and distribution patterns of pelagic and non-hydrothermal bottom communities in the vicinity of the northern Mid-Atlantic Ridge. In total, 1295 cephalopods were caught, representing 56 species. Differences in species composition and size were apparent among the various types of trawls used. The Aakra trawl and bottom trawl caught the largest numbers of species (38 and 34, respectively); size of cephalopods was directly related to the size of the net. Many more species were caught in the southern part of the study area than farther north. The most abundant species was Gonatus steenstrupi, found mostly in the northern part of the study area. A few abundant species, such as Mastigoteuthis agassizii, were found throughout the region, with no clear indication that their northern or southern distributional limits occur within the area sampled. Several benthic and one pelagic species, all taken in small numbers, were captured only in the region of the Charlie Gibbs Fracture Zone. We found many species at very low numbers (i.e. 37 species with <10 specimens in all gear types combined).

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