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Status and trends in the structure of Arctic benthic food webs

Abstract : Ongoing 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 and Marginal Ice Zone, and permanently sea-ice covered High Arctic. Finally, we identify knowledge gaps in different Arctic marine food webs and provide recommendations for future studies.
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Submitted on : Monday, June 8, 2015 - 3:05:57 PM
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Monika Kędra, Charlotte Moritz, Emily S. Choy, Carmen David, Renate Degen, et al.. Status and trends in the structure of Arctic benthic food webs. Polar Research, Co-Action Publishing, 2015, 34, 23 p. ⟨10.3402/polar.v34.23775⟩. ⟨hal-01161465⟩



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