Status and trends in the structure of Arctic benthic food webs

On-going climate warming is causing a dramatic loss of sea-ice in the Arctic Ocean and it is projected that the Arctic Ocean will become seasonally ice-free by 2040. Many studies of local Arctic food webs now exist and with this review paper we aim to synthesize these into a large-scale assessment o...

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Bibliographic Details
Published in:Polar Research
Main Authors: Kêdra, Monika, Moritz, Charlotte, Choy, Emily S., David, Carmen, Degen, Renate, Duerksen, Steven, Ellingsen, Ingrid, Gorska, Barbara, Grebmeier, Jacqueline M., Kirievskaya, Dubrava, van Oevelen, Dick, Piwosz, Kasia, Samuelsen, Annette, Weslawski, Jan Marcin
Format: Article in Journal/Newspaper
Language:unknown
Published: Co-Action Publishing 2015
Subjects:
Arctic
Arctic Ocean
Chukchi
Climate change
ice pack
Polar Research
Sea ice
Online Access:https://epic.awi.de/id/eprint/37712/
https://epic.awi.de/id/eprint/37712/6/Kedra_et_al_2015.pdf
http://www.polarresearch.net/index.php/polar/article/view/23775
https://hdl.handle.net/10013/epic.45629
https://hdl.handle.net/10013/epic.45629.d006
Description
Summary:On-going climate warming is causing a dramatic loss of sea-ice in the Arctic Ocean and it is projected that the Arctic Ocean will become seasonally ice-free by 2040. Many studies of local Arctic food webs now exist and with this review paper we aim to synthesize these into a large-scale assessment of the current status of knowledge on the structure of various Arctic marine food webs, and their response to climate change, and to sea-ice retreat in particular. Key drivers of ecosystem change and potential consequences for ecosystem functioning and Arctic marine food webs are identified along the sea-ice gradient with special emphasis on the following regions: seasonally ice free Barents and Chukchi Seas, loose ice pack zone of the Polar Front (PF) and Marginal Ice Zone (MIZ), and permanently sea-ice covered high Arctic. Finally, we identify gaps existing in the knowledge of different Arctic marine food webs and provide recommendations for future studies.

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