Marine Biology

, Volume 161, Issue 10, pp 2423–2431 | Cite as

Health and population-dependent effects of ocean acidification on the marine isopod Idotea balthica

  • Hannah L. WoodEmail author
  • Helen N. Sköld
  • Susanne P. Eriksson
Original Paper


Three populations of the grazing isopod Idotea balthica were exposed to high CO2 treatment for a period of 20 days to investigate the effect of ocean acidification (OA) on animal health and immunocompetence. The results of the populations from more saline habitats were comparable and showed a 60–80 % decrease in immune response as a result of the high CO2 treatment. Analysis of protein carbonyls showed no treatment effect, indicating that short-term OA does not increase oxidative protein damage. Meanwhile, the third tested population from the lower saline Baltic Sea had higher background protein carbonyl levels. Ocean acidification in addition to this resulted in 100 % mortality. The results of this study show that OA reduced immunocompetence of this marine isopod. In addition, populations and individuals in poor health are potentially at greater risk to succumb under OA.


Hemocyte Ocean Acidification High pCO2 Oxidative Stress Level High Oxidative Stress 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



The authors wish to thanks Kirsten Seal for her assistance in the laboratory and the two anonymous reviewers whose comments contributed to the improvement of this article. This work was funded though The Centre for Marine Evolutionary Biology (CeMEB), a Linnaeus Centre of Excellence, with additional project funding from the Wåhlström Foundation.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Hannah L. Wood
    • 1
    Email author
  • Helen N. Sköld
    • 1
  • Susanne P. Eriksson
    • 1
  1. 1.Department of Biological and Environmental Sciences – KristinebergUniversity of GothenburgFiskebäckskilSweden

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