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Title

Plankton metabolism in the Greenland Sea during the polar summer of 2007

AuthorsRegaudie de Gioux, Aurore ; Duarte, Carlos M.
Issue Date2010
PublisherSpringer
CitationPolar Biology 33: 1651- 1660 (2010)
AbstractThe polar summer metabolism of the planktonic communities in the Greenland Sea was surveyed in July 2007. Planktonic metabolism showed great variability across the studied area, with on average, higher metabolic rates in the Fram Strait-Svalbard region than along the Greenland Current. A significant fraction (47%) of the planktonic communities in the Fram Strait-Svalbard region were net heterotrophic, suggesting that increased respiration rates with further warming may lead the planktonic communities at this region to act as net CO2 sources. The thresholds gross primary production for metabolic balance (i. e., gross primary production = community respiration) was much higher in the European sector of the Arctic than reported for the Southern Ocean, suggesting that heterotrophic metabolism is more prevalent in the European sector of the Arctic than in the Southern Ocean, indicating high allochthonous inputs in the Arctic region. © 2010 Springer-Verlag.
URIhttp://hdl.handle.net/10261/60148
DOI10.1007/s00300-010-0792-1
Identifiersdoi: 10.1007/s00300-010-0792-1
issn: 0722-4060
Appears in Collections:(IMEDEA) Artículos
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