Arctic Report Card 2020: Arctic Ocean Primary Productivity: The Response of Marine Algae to Climate Warming and Sea Ice Decline

Frey, Karen E.; Comiso, J. C.; Cooper, L. W.; Grebmeier, J. M.; Stock, L. V.

doi:10.25923/vtdn-2198

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Up-to-date Information

Up-to-Date Info: To find the latest NOAA information on this topic go to: https://www.arctic.noaa.gov/Report-card

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Arctic Report Card 2020: Arctic Ocean Primary Productivity: The Response of Marine Algae to Climate Warming and Sea Ice Decline

2020
By Frey, Karen E. ; Comiso, J. C. ; Cooper, L. W. ; ...
Series: Arctic Report Card

[PDF-550.73 KB]

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Details:

Alternative Title:

Arctic Ocean Primary Productivity: The Response of Marine Algae to Climate Warming and Sea Ice Decline
Personal Author:

Frey, Karen E. ; Comiso, J. C. ; Cooper, L. W. ; Grebmeier, J. M. ; Stock, L. V.

Frey, Karen E. ; Comiso, J. C. ; Cooper, L. W. ; Grebmeier, J. M. ; Stock, L. V. Less -
Corporate Authors:

United States. National Oceanic and Atmospheric Administration. Office of Oceanic and Atmospheric Research ; Clark University (Worcester, Mass.). Graduate School of Geography ; Goddard Space Flight Center ; University of Maryland Center for Environmental Science ; Chesapeake Bay ACE INC (Project)

United States. National Oceanic and Atmospheric Administration. Office of Oceanic and Atmospheric Research ; Clark University (Worcester, Mass.). Graduate School of Geography ; Goddard Space Flight Center ; University of Maryland Center for Environmental Science ; Chesapeake Bay ACE INC (Project) Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; CIRES (Cooperative Institute for Research in Environmental Sciences)

OAR (Oceanic and Atmospheric Research) ; CIRES (Cooperative Institute for Research in Environmental Sciences) Less -
Description:

Autotrophic single-celled algae living in sea ice (ice algae) and water column (phytoplankton) are the main primary producers in the Arctic Ocean. Through photosynthesis, they transform dissolved inorganic carbon into organic material. Consequently, primary production provides a key ecosystem service by providing energy to the entire food web in the oceans. Primary productivity is strongly dependent upon light availability and the presence of nutrients, and thus is highly seasonal in the Arctic. The melting and retreat of sea ice during spring are strong drivers of primary production in the Arctic Ocean and its adjacent shelf seas, owing to enhanced light availability and stratification (Barber et al. 2015; Leu et al. 2015; Ardyna et al. 2017). Recent studies have emphasized that primary production occurs under lower light conditions and earlier in the seasonal cycle than previously recognized (Randelhoff et al. 2020). Other studies suggest that increased nutrient supply have also influenced overall production (Henley et al. 2020; Lewis et al. 2020). Furthermore, while declines in Arctic sea ice extent over the past several decades (see essay Sea Ice) have contributed substantially to shifts in primary productivity throughout the Arctic Ocean, the response of primary production to sea ice loss has been both seasonally and spatially variable (e.g., Tremblay et al. 2015; Hill et al. 2018).
Keywords:

[+]

Algae Carbon Chlorophyll Ecosystem Management Ocean Phytoplankton Plant Nutrients Runoff Satellites
Series:

Arctic Report Card
DOI:

https://doi.org/10.25923/vtdn-2198
Document Type:

Administrative Report
Funding:

Grants Nos. 1702137 ; 1917434

Grants Nos. 1702137 ; 1917434 Less -
Place as Subject:

Okhotsk, Sea of ; Bering Sea ; Eurasia ; Arctic Ocean ; Barents Sea ; ... More +

Okhotsk, Sea of ; Bering Sea ; Eurasia ; Arctic Ocean ; Barents Sea ; Greenland Sea ; Laptev Sea (Russia) Less -
Rights Information:

Public Domain
Compliance:

Submitted
Main Document Checksum:

[+]

urn:sha256:b9cc06cf94b2b8e2d986aefbb654f902fdbdd3a66c4f6b0d8ca0d28912c8ccca
Download URL:

https://repository.library.noaa.gov/view/noaa/27905/noaa_27905_DS1.pdf
File Type:

Errata Sheet

pdf

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Arctic Report Card 2020: Arctic Ocean Primary Productivity: The Response of Marine Algae to Climate Warming and Sea Ice Decline

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