Polar Biology

, Volume 33, Issue 12, pp 1661–1671

Experimental evaluation of planktonic respiration response to warming in the European Arctic Sector

  • Raquel Vaquer-Sunyer
  • Carlos M. Duarte
  • Rocío Santiago
  • Paul Wassmann
  • Marit Reigstad
Original Paper

DOI: 10.1007/s00300-010-0788-x

Cite this article as:
Vaquer-Sunyer, R., Duarte, C.M., Santiago, R. et al. Polar Biol (2010) 33: 1661. doi:10.1007/s00300-010-0788-x

Abstract

The Arctic Ocean is the region on Earth supporting the steepest warming rate and is also particularly vulnerable due to the vanishing ice cover. Intense warming in the Arctic has strong implications for biological activity and the functioning of an Arctic Ocean deprived of ice cover in summer. We evaluated the impact of increasing temperature on respiration rates of surface marine planktonic communities in the European Arctic sector, a property constraining the future role of the Arctic Ocean in the CO2 balance of the atmosphere. We performed experiments under four different temperature elevation regimes (in situ, +2, +4 and +6°C above the temperature of the sampled water) during cruises conducted in the Fram Strait region and off Svalbard during late fall–early winter, spring and summer. During late fall–early winter, where only three different temperatures were used, no response to warming was observed, whereas respiration rates increased in response to warming in spring and summer, although with variable strength.

Keywords

Q10 Respiration Warming Arctic Activation energy 

Copyright information

© Springer-Verlag 2010

Authors and Affiliations

  • Raquel Vaquer-Sunyer
    • 1
    • 3
  • Carlos M. Duarte
    • 1
  • Rocío Santiago
    • 1
  • Paul Wassmann
    • 2
  • Marit Reigstad
    • 2
  1. 1.Department of Global Change ResearchIMEDEA (CSIC-UIB) Institut Mediterrani d’Estudis AvançatsEsporlesSpain
  2. 2.Department of Arctic and Marine Biology, Faculty of Biosciences, Fisheries and EconomicsUniversity of TromsøTromsøNorway
  3. 3.Department of Coastal EcologyIMEDEA (CSIC-UIB) Institut Mediterrani d’Estudis AvançatsEsporlesSpain

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