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Stomach contents of autumn-feeding marine vertebrates from Hornsund, Svalbard

Published online by Cambridge University Press:  27 October 2009

Christian Lydersen ,
Ian Gjertz  and
Jan Marcin Weslawski
Christian Lydersen
Affiliation:
Norsk Polarinstitutt, Rolfstangveien 12, 1330 Oslo Lufthavn, Norway.
Ian Gjertz
Affiliation:
Norsk Polarinstitutt, Rolfstangveien 12, 1330 Oslo Lufthavn, Norway.
Jan Marcin Weslawski
Affiliation:
Institute of Oceanology, Polish Academy of Sciences, Powstancow Warszawy 55, Sopot 81–967, Poland.
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Abstract

Stomachs of 171 vertebrates (two species offish, eight of birds and twoof seals) from Hornsund, Svalbard, were collected between 7 September and 5 October 1984. Arctic cod Boreogadus saida and the amphipod Pamthemisto libellula were the main prey species of black guillemots Cepphus grylle, little auks Alle alle, puffins Fratercula arctica, Brunnich's guillemots Uria lomvia, kittiwakes Rissa tridactyla and ringed seals Phoca hispida. Fulmars Fulmarus glacialis preyed mainly on the squid Gonatusfabricii and the polychaete Nereis irrorata. Eiders Somateria mollissima preyed mainly on bivalves and on the amphipod Gammarellus homari. G. homari and Gammarus oceanicus were the most important prey species of striped snailfish Liparis liparis, while shorthorn sculpin Myoxocephalus scorpius mainly preyed upon G. homari and Anonyx sarsi. Glaucous gulls LOTUS hyperboreus took many different prey including birds and tundra plants. Only one bearded seal Erignathus barbatus stomach with content was available for this study.

Type
Articles
Information
Polar Record , Volume 25 , Issue 153 , April 1989 , pp. 107 - 114
Copyright
Copyright © Cambridge University Press 1989

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