Size and stage composition of age class 0 Antarctic krill (Euphausia superba) in the ice–water interface layer during winter/early spring

The condition and survival of Antarctic krill (Euphausia superba) strongly depends on sea ice conditions during winter. How krill utilize sea ice depends on several factors such as region and developmental stage. A comprehensive understanding of sea ice habitat use by krill, however, remains largely...

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Bibliographic Details
Published in:Polar Biology
Main Authors: Schaafsma, F.L., David, C., Pakhomov, E.A., Hunt, B.P.V., Lange, B.A., Flores, H., van Franeker, J.A.
Format: Article in Journal/Newspaper
Language:English
Published: 2016
Subjects:
Antarctic krill
Furcilia
Juveniles
Size distribution
Under-ice habitat
Vertical distribution
Antarc*
Antarctic
Antarctic Krill
Euphausia superba
Polar Biology
Sea ice
Weddell Sea
Online Access:https://research.wur.nl/en/publications/size-and-stage-composition-of-age-class-0-antarctic-krill-euphaus
https://doi.org/10.1007/s00300-015-1877-7
Description
Summary:The condition and survival of Antarctic krill (Euphausia superba) strongly depends on sea ice conditions during winter. How krill utilize sea ice depends on several factors such as region and developmental stage. A comprehensive understanding of sea ice habitat use by krill, however, remains largely unknown. The aim of this study was to improve the understanding of the krill’s interaction with the sea ice habitat during winter/early spring by conducting large-scale sampling of the ice–water interface (0–2 m) and comparing the size and developmental stage composition of krill with the pelagic population (0–500 m). Results show that the population in the northern Weddell Sea consisted mainly of krill that were

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