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The respiratory capacity of marine mussels (Mytilus galloprovincialis) in relation to the high temperature threshold
Jansen, J.M.; Hummel, H.; Bonga, S.W. (2009). The respiratory capacity of marine mussels (Mytilus galloprovincialis) in relation to the high temperature threshold. Comp. Biochem. Physiol., Part A Mol. Integr. Physiol. 153(4): 399-402. http://dx.doi.org/10.1016/j.cbpa.2009.03.013
In: Comparative Biochemistry and Physiology. Part A. Molecular and Integrative Physiology. Elsevier: New York. ISSN 1095-6433; e-ISSN 1531-4332, meer
Peer reviewed article  
Beschikbaar in  Auteurs 
Trefwoorden
    Biology > Physiology > Animal physiology
    Fauna > Aquatic organisms > Aquatic animals > Shellfish > Marine organisms > Marine molluscs
    Metabolism
    Properties > Biological properties > Tolerance > Temperature tolerance
    Respiration
    Mytilus galloprovincialis Lamarck, 1819 [WoRMS]
    Marien/Kust
Author keywords
    Thermal tolerance limits; Oxyregulation; Mytilus galloprovincialis
Auteurs  Top 
  • Jansen, J.M.
  • Hummel, H., meer
  • Bonga, S.W.
Abstract
    Thermal tolerance limits of ectotherms may result from respiratory limitations. In response to declining oxygen availability, organisms have shown to exhibit oxyregulation by enhancing ventilation and heartbeat rates. In this study we examined how this regulatory response in mussels (Mytilus) changes with increasing temperature. Experimental mussels showed extensive oxyregulation at temperatures near to their habitat temperature, but increasingly lost this capacity towards higher temperatures. At breakpoint temperature no regulation took place and respiration rates changed proportional to oxygen availability. These results revealed how thermal limitations relate to respiratory capacity of mussels.
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