NDLI: The first demersal trawl survey of benthic fish and invertebrates in the Beaufort Sea since the late 1970s

Content Provider	Springer Nature Link
Author	Rand, Kimberly M. Logerwell, Elizabeth A.
Copyright Year	2010
Abstract	This study represents the first demersal trawl survey of marine fishes and invertebrates in offshore waters of the Beaufort Sea since 1977. Species composition, distribution, and abundance of demersal fish and benthic invertebrates were assessed with standard methods and demersal trawl gear by the Alaska Fisheries Science Center. Fishes made up 6% of the total catch weight, and invertebrates made up the remaining 94% of the catch weight. A total of 32 species of fish were identified, two taxa were identified to genus and one to family, and 174 taxa of invertebrates were identified. The most abundant demersal fishes were polar cod (Boreogadus saida), eelpouts (Lycodes spp.), Bering flounder (Hippoglossoides robustus), and walleye pollock (Theragra chalcogramma). The most abundant invertebrates were notched brittle stars (Ophiura sarsi), snow crab (Chionoecetes opilio), mussels (Musculus spp.), and the mudstar (Ctenodiscus crispatus). We documented or confirmed extension to the known ranges of four species of fishes: walleye pollock, Pacific cod (Gadus macrocephalus), festive snailfish (Liparis marmoratus), and eyeshade sculpin (Nautichthys pribilovius). We also documented the presence of commercial-sized snow crab (Chionoecetes opilio), which has not previously been recorded in the North American Arctic.
Starting Page	475
Ending Page	488
Page Count	14
File Format	PDF
ISSN	07224060
Journal	Polar Biology
Volume Number	34
Issue Number	4
e-ISSN	14322056
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-11-03
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Beaufort Sea Marine fishes Snow crab Polar cod Boreogadus saida Oceanography Microbiology Zoology Plant Sciences Ecology
Content Type	Text
Resource Type	Article
Subject	Agricultural and Biological Sciences

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The first demersal trawl survey of benthic fish and invertebrates in the Beaufort Sea since the late 1970s

The diets of polar cod (Boreogadus saida) from August 2008 in the US Beaufort Sea

Distribution of polar cod and age-0 fish in the U.S. Beaufort Sea

Oceanographic characteristics of the habitat of benthic fish and invertebrates in the Beaufort Sea

Distribution and diet of demersal Arctic Cod, Boreogadus saida, in relation to habitat characteristics in the Canadian Beaufort Sea

Sourcing fatty acids to juvenile polar cod (Boreogadus saida) in the Beaufort Sea using compound-specific stable carbon isotope analyses

Distribution pattern of Polar cod (Boreogadus saida) larvae and larval fish assemblages in relation to oceanographic parameters in the northern Bering Sea and Chukchi Sea

Variability in the summer diets of juvenile polar cod (Boreogadus saida) in the northeastern Chukchi and western Beaufort Seas

The aggregation of polar cod (Boreogadus saida) in the deep Atlantic layer of ice-covered Amundsen Gulf (Beaufort Sea) in winter

The first demersal trawl survey of benthic fish and invertebrates in the Beaufort Sea since the late 1970s

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