Arctic SDI catalogue
Year-round utilization of sea ice-associated carbon in Arctic ecosystems
This record contains a comprehensive synthesis of previously published highly branched isoprenoid (HBI) results, providing a quantitative spatial and temporal assessment of carbon partitioning within the Arctic marine ecosystem and validating estimates of sea-ice particulate organic carbon (iPOC) values as quantitative predictors of ice algal carbon in Arctic food webs.
This publication was a collaborative effort with the following contributors: C.W. Koch (Natural History Museum, London, UK; University of Maryland Center for Environmental Science, Maryland, US); T.A. Brown (Scottish Association for Marine Science, Oban, Scotland); R. Amiraux (Centre for Earth Observation Science, University of Manitoba, Canada); C. Ruiz-Gonzalez (Scottish Association for Marine Science, Oban, Scotland); M. Maccorquodale (Scottish Association for Marine Science, Oban, Scotland); G. Yunda-Guarin (Québec-Océan and Takuvik, Biology Department, Laval University, Canada); D. Kohlbach (Norwegian Polar Institute, Fram Centre, Tromsø, Norway); N.E. Hussey (Integrative Biology, University of Windsor, Ontario, Canada).
Simple
- Date ( RI_366 )
- 1982
- Date ( RI_367 )
- 2023-03-29
- Purpose
- Sea ice primary production is considered a valuable energy source for the Arctic, yet the extent that it fuels this ecosystem is unclear. To resolve this, we quantify ice algal carbon signatures in over 2300 samples from 155 species including invertebrates, fish, seabirds and marine mammals collected between 1982 and 2019 across the Arctic shelves. Here we show sea-ice organic carbon signatures within 96% of the organisms investigated, which were collected year-round from January to December, suggesting continuous utilization of this resource. These results emphasize the important role of ice algal carbon through benthic retention that is available to consumers, supporting Arctic marine food webs year-round. Finally, we suggest that alterations to the phenology, distribution and biomass of ice-associated 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.
- Status
- completed; complété RI_593
- Maintenance and update frequency
- asNeeded; auBesoin RI_540
- Keywords ( RI_530 )
-
- stable isotopes
- linear regression
- NASA/Global Change Master Directory (GCMD) Science Keywords Version 6.0.0.0.0 NASA/Global Change Master Directory (GCMD) Science Keywords Version 6.0.0.0.0 ( RI_528 )
-
- Oceans
- DFO Areas Zones du MPO ( RI_525 )
-
- Arctic Ocean
- Government of Canada Core Subject Thesaurus Thésaurus des sujets de base du gouvernement du Canada ( RI_528 )
-
- Aquatic wildlife
- Biological diversity
- Fish
- Marine biology
- Oceans
- Use limitation
- Open Government Licence - Canada (http://open.canada.ca/en/open-government-licence-canada)
- Access constraints
- license; licence RI_606
- Use constraints
- license; licence RI_606
- Classification
- unclassified; nonClassifié RI_484
- Spatial representation type
- vector; vecteur RI_635
- Metadata language
- eng; CAN
- Character set
- usAscii; usAscii RI_478
- Topic category
-
- Biota
- Environment
- Oceans
- Begin date
- 1982
- End date
- 2019
- Description
- Arctic
))
- Reference system identifier
- http://www.epsg-registry.org / EPSG:4269
- Distribution format
-
-
CSV
(
n/a
)
-
PDF
(
n/a
)
-
CSV
(
n/a
)
- OnLine resource
-
Arctic Data Center
(
HTTPS
)
Web Service;HTML;eng
- OnLine resource
-
Nature Communications (journal)
(
HTTPS
)
Web Service;HTML;eng
- OnLine resource
-
Data Dictionary
(
HTTPS
)
Supporting Document;PDF;eng,fra
- OnLine resource
-
Supplementary Information
(
HTTPS
)
Supporting Document;PDF;eng,fra
- OnLine resource
-
Raw data
(
HTTPS
)
Supporting Document;CSV;eng,fra
- OnLine resource
-
Map
(
ESRI REST: Map Server
)
Web Service;ESRI REST;eng
- OnLine resource
-
Map
(
ESRI REST: Map Server
)
Web Service;ESRI REST;fra
- File identifier
- 17667316-be9b-11ed-a1b0-1860247f53e3 XML
- Metadata language
- eng; CAN
- Character set
- utf8; utf8 RI_458
- Hierarchy level
- dataset; jeuDonnées RI_622
- Date stamp
- 2023-06-12T11:30:13
- Metadata standard name
- North American Profile of ISO 19115:2003 - Geographic information - Metadata
- Metadata standard version
- CAN/CGSB-171.100-2009
Overviews
Spatial extent
Provided by
