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Sea ice as a habitat for macrograzers


Bluhm, BA and Swadling, KM and Gradinger, R, Sea ice as a habitat for macrograzers, Sea Ice, John Wiley & Sons Ltd, DN Thomas (ed), United Kingdom, pp. 394-414. ISBN 9781118778388 (2017) [Other Book Chapter]

PDF (Chapter in Sea Ice (3rd Edition) edited by David Thomas)
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DOI: doi:10.1002/9781118778371.ch16


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.

Item Details

Item Type:Other Book Chapter
Keywords:sea ice, zooplankton, metazoans, Antarctic, Arctic
Research Division:Biological Sciences
Research Group:Ecology
Research Field:Marine and estuarine ecology (incl. marine ichthyology)
Objective Division:Environmental Management
Objective Group:Management of Antarctic and Southern Ocean environments
Objective Field:Biodiversity in Antarctic and Southern Ocean environments
UTAS Author:Swadling, KM (Associate Professor Kerrie Swadling)
ID Code:117021
Year Published:2017
Deposited By:CRC-Antarctic Climate & Ecosystems
Deposited On:2017-05-29
Last Modified:2022-04-11
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