Status and trends in the structure of Arctic benthic food webs


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kedra [ at ] iopan.gda.pl

Abstract

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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ISI/Scopus peer-reviewed
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Published
Eprint ID
37712
DOI 10.3402/polar.v34.23775

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Kêdra, M. , Moritz, C. , Choy, E. S. , David, C. , Degen, R. , Duerksen, S. , Ellingsen, I. , Gorska, B. , Grebmeier, J. M. , Kirievskaya, D. , van Oevelen, D. , Piwosz, K. , Samuelsen, A. and Weslawski, J. M. (2015): Status and trends in the structure of Arctic benthic food webs , Polar Research . doi: 10.3402/polar.v34.23775


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