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Sea ice as a habitat for macrograzers

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posted on 2023-05-22, 22:11 authored by Bluhm, BA, Kerrie SwadlingKerrie Swadling, Gradinger, R
All rights reserved. The sea ice brine channel system and the under-ice habitat in the Arctic and Antarctic support abundant and phylogenetically diverse biota, from microbes to mammals. Members of the lower trophic levels show specialized life cycles and other adaptations to their unique habitat, and serve as links between primary producers in the ice and higher trophic levels in the pelagic and benthic realms. The best-studied sympagic macrograzers include amphipods and the fish Boreogadus saida in the Arctic, and krill, Euphausia superba, in the Antarctic, because they play central roles in the food web and have potential or realized commercial value. Most sea ice biota are not monitored regularly - with the notable exceptions of the above named - so changes in their stock size or other properties may remain undetected. Changes in harvest rates and observed and projected climatic changes will affect ice-related food webs in the future.

Funding

Department of Environment and Energy (Cwth)

History

Publication title

Sea Ice

Edition

3rd

Editors

DN Thomas

Pagination

394-414

ISBN

9781118778388

Department/School

Institute for Marine and Antarctic Studies

Publisher

John Wiley & Sons Ltd

Place of publication

United Kingdom

Extent

27

Repository Status

  • Restricted

Socio-economic Objectives

Biodiversity in Antarctic and Southern Ocean environments

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