Discussion

ABSTRACT. Stomachs of 171 vcrtebrates (two species of fish, eightof birds;urd trvo of seals) frorn Hornsund, Svllberci. rvcrccoilectedbctweenTSeptembcrand5Octoberl984. ArcticcodBoreogadussaidaandtheamphipod Parorhenti-sto libellula rvere the main prey species of black guillemots Cepphus grylle, litt...

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Bibliographic Details
Main Authors: Vertebrates From Hornsund, Christian Lydersen, Fan Gjertz, Jan Marcin Weslawski
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
Published: 1988
Subjects:
Conclusion
Hornsund
Urd
bearded seal
Cepphus grylle
fratercula
Larus hyperboreus
Phoca hispida
Tundra
Uria lomvia
uria
Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.610.5960
http://www.iopan.gda.pl/ekologia/pdfpapersekologia/Lydersen 1989.pdf
Description
Summary:ABSTRACT. Stomachs of 171 vcrtebrates (two species of fish, eightof birds;urd trvo of seals) frorn Hornsund, Svllberci. rvcrccoilectedbctweenTSeptembcrand5Octoberl984. ArcticcodBoreogadussaidaandtheamphipod Parorhenti-sto libellula rvere the main prey species of black guillemots Cepphus grylle, little auks A/ie ci /e, pufl'ins Fratercula urctica, Brunnich's guillemots Uria lomvia, kittiwakes Rissa tridactylc and ringcd seals Phoca hispida. Fulmars Fulnutrw glocialis preyed mainly on the squid Gonatusfabricii utd the polychactc l,,lereis irrorrzra. Eiders Sornateria nnllissirna preyed mainly on bivalves and on the amphipod Gammarellus homari. G. homari utdGammartu oceanicus were lhe mostimportantpreyspeciesofstriped snailfish|rpcrisliparis,whileshorthornsculpinMyoxocephalusscorpiusmainly preyed qpon G. homari and Anonyx sarsi. Glaucous gulls Larus hyperboreus took many different prey including birds and tundra plants. Only one bearded seal Erignathus barbqtus stomach with content. was available for this stuilv.

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