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The Boreoatlantic gonate squid
The Boreoatlantic gonate squid Gonatus fabricii is the most abundant squid in the offshore arctic and subarctic waters of the northern Atlantic. Adults are common in midwater while juveniles occur in surface waters close to the continents. As part of a research project focussing on the interactions among fish stocks off West Greenland we examined squid collections sampled with small pelagic nets in summer 1989 and in summer and autumn 1990 off Southwest Greenland. G. fabricii was by far the most abundant cephalopod species caught. We recorded a total of 698 juvenile specimens. During the summer cruise in 1989 the mantle lengths varied from 6 to 35 mm (n = 84); in summer 1990 they ranged from 10 to 48 mm (n = 542) with significantly larger body sizes in the southern part of the region. In autumn 1990 the mantle lengths ranged from 19 to 64 mm (n = 72) with largest animals again at the southern sampling sites. The data suggest growth rates for juvenile G. fabricii off West Greenland of 4 to 5.5 mm per month between July and November 1990.
Auteurs du document :
Uwe Piatkowski, Kai WielandObtenir le document :
EDP SciencesMots clés :
Squid, geographical and seasonal, distributions, size distribution, quantitative distribution, West Greenland, Encornet, distribution géographique, composition en taille, abondance, ouest du GroënlandThème (issu du Text Mining) :
MILIEU NATURELDate :
2007-02-15Format :
text/xmlSource :
https://doi.org/10.1051/alr:1993011Langue :
AnglaisTélécharger les documents :
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Ce portail, créé et géré par l'Office International de l'Eau (OiEAU), est géré avec l'appui de l’Office français de la biodiversité (OFB)