Ice amphipod distribution relative to ice density and under-ice topography in the northern Barents Sea

Arctic ice amphipods are part of the sympagic macrofauna in the Marginal Ice Zone of the northern Barents Sea and represent an important link from lower to higher trophic levels in some Arctic marine food chains. The species diversity in this area (1995/1996) consisted of four species: Gammarus wilk...

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Veröffentlicht in:	Polar biology 2000-04, Vol.23 (5), p.357-367
Hauptverfasser:	HOP, H, POLTERMANN, M, LØNNE, O. J, FALK-PETERSEN, S, KORSNES, R, BUDGELL, W. P
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal and plant ecology Animal, plant and microbial ecology Apherusa glacialis Biogeography Biological and medical sciences Biomass Crustaceans Distribution patterns Food chains Fundamental and applied biological sciences. Psychology Gammarus wilkitzkii Macrofauna Marine Marine biology Onisimus Onisimus glacialis Onisimus nanseni Ridges Sea ice Sea water ecosystems Species diversity Synecology Topography Trophic levels
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Beschreibung
Zusammenfassung:	Arctic ice amphipods are part of the sympagic macrofauna in the Marginal Ice Zone of the northern Barents Sea and represent an important link from lower to higher trophic levels in some Arctic marine food chains. The species diversity in this area (1995/1996) consisted of four species: Gammarus wilkitzkii, Apherusa glacialis, Onisimus nanseni and Onisimus glacialis. The larger ice amphipod, G. wilkitzkii, was the most abundant with the highest biomass (>90%), whereas A. glacialis was abundant, but contributed little to the total biomass (
ISSN:	0722-4060 1432-2056
DOI:	10.1007/s003000050456