Year-round utilization of sea ice-associated carbon in Arctic ecosystems.
| Title: | Year-round utilization of sea ice-associated carbon in Arctic ecosystems. |
|---|---|
| Authors: | Koch CW; Natural History Museum, London, SW7 5BD, England. chelsea.koch@nhm.ac.uk.; University of Maryland Center for Environmental Science, Solomons, MD, US. chelsea.koch@nhm.ac.uk.; Brown TA; Scottish Association for Marine Science, Oban, PA37 1QA, Scotland.; Amiraux R; Centre for Earth Observation Science, University of Manitoba, Winnipeg, MB, Canada.; Ruiz-Gonzalez C; Scottish Association for Marine Science, Oban, PA37 1QA, Scotland.; MacCorquodale M; Scottish Association for Marine Science, Oban, PA37 1QA, Scotland.; Yunda-Guarin GA; Québec-Océan and Takuvik, Biology Department, Laval University, Québec, QC, Canada.; Kohlbach D; Norwegian Polar Institute, Fram Centre, Tromsø, 9296, Norway.; Loseto LL; Fisheries and Oceans Canada, Freshwater Institute, Winnipeg, MB, Canada.; Rosenberg B; Fisheries and Oceans Canada, Freshwater Institute, Winnipeg, MB, Canada.; Hussey NE; Integrative Biology, University of Windsor, Windsor, ON, N9B 3P4, Canada.; Ferguson SH; Fisheries and Oceans Canada, Freshwater Institute, Winnipeg, MB, Canada.; Yurkowski DJ; Fisheries and Oceans Canada, Freshwater Institute, Winnipeg, MB, Canada. |
| Source: | Nature communications [Nat Commun] 2023 Apr 07; Vol. 14 (1), pp. 1964. Date of Electronic Publication: 2023 Apr 07. |
| Publication Type: | Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. |
| Language: | English |
| Journal Info: | Publisher: Nature Pub. Group Country of Publication: England NLM ID: 101528555 Publication Model: Electronic Cited Medium: Internet ISSN: 2041-1723 (Electronic) Linking ISSN: 20411723 NLM ISO Abbreviation: Nat Commun Subsets: MEDLINE |
| Imprint Name(s): | Original Publication: [London] : Nature Pub. Group |
| MeSH Terms: | Ecosystem* ; Caniformia*; Animals ; Carbon ; Ice Cover ; Arctic Regions ; Food Chain |
| Abstract: | Sea ice primary production is considered a valuable energy source for Arctic marine food webs, yet the extent remains unclear through existing methods. Here we quantify ice algal carbon signatures using unique lipid biomarkers in over 2300 samples from 155 species including invertebrates, fish, seabirds, and marine mammals collected across the Arctic shelves. Ice algal carbon signatures were present within 96% of the organisms investigated, collected year-round from January to December, suggesting continuous utilization of this resource despite its lower proportion to pelagic production. These results emphasize the importance of benthic retention of ice algal carbon that is available to consumers year-round. Finally, we suggest that shifts in the phenology, distribution and biomass of sea ice primary production anticipated with declining seasonal sea ice will disrupt sympagic-pelagic-benthic coupling and consequently the structure and the functioning of the food web which is critical for Indigenous Peoples, commercial fisheries, and global biodiversity.; (© 2023. The Author(s).) |
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| Substance Nomenclature: | 7440-44-0 (Carbon) |
| Entry Date(s): | Date Created: 20230407 Date Completed: 20230411 Latest Revision: 20230420 |
| Update Code: | 20260130 |
| PubMed Central ID: | PMC10081986 |
| DOI: | 10.1038/s41467-023-37612-8 |
| PMID: | 37029106 |
| Database: | MEDLINE |
Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.