Status and trends in the structure of Arctic benthic food webs

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...

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Bibliographic Details
Published in:Polar research 2015-01, Vol.34 (1), p.23775-23
Main Authors: Kędra, Monika, Moritz, Charlotte, Choy, Emily S., David, Carmen, Degen, Renate, Duerksen, Steven, Ellingsen, Ingrid, Górska, Barbara, Grebmeier, Jacqueline M., Kirievskaya, Dubrava, van Oevelen, Dick, Piwosz, Kasia, Samuelsen, Annette, Węsławski, Jan Marcin
Format: Article
Language:English
Subjects:
Algae
Arctic
Carbon
climate change
Colleges & universities
Ecosystems
Environmental science
Environmental Sciences
Food chains
food web
Global Changes
Ice
Laboratories
pelagic-benthic coupling
Plankton
Remote sensing
River ecology
sea-ice retreat
Trends
trophic transfer
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Summary: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.
ISSN:1751-8369
0800-0395
1751-8369
DOI:10.3402/polar.v34.23775