Temperature effects on summer growth rates in the Antarctic scallop, Adamussium colbecki.


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oheilmayer [ at ] awi-bremerhaven.de

Abstract

Annual growth rates of Antarctic marine organisms are low compared to their relatives from warmer waters. Previous studies hypothesize that high food availability during austral spring-summer may enable Antarctic invertebrates to attain comparatively high short-term growth rates despite the low temperature. Neither a temperature-growth experiment with juvenile Adamussium colbecki (Smith 1902) nor the comparison of A. colbecki summer growth rates with an empirical scallop specific growth-to-temperature relationship could confirm this hypothesis. Summer growth rates of young, immature A. colbecki are strongly affected by temperature as indicated by high Q10 and Arrhenius activation energy.



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ISI/Scopus peer-reviewed
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Published
Eprint ID
11018
DOI 10.1007/s00300-005-0716-7

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Heilmayer, O. , Honnen, C. , Jacob, U. , Chiantore, C. , Cattaneo-Vietti, R. and Brey, T. (2005): Temperature effects on summer growth rates in the Antarctic scallop, Adamussium colbecki. , Polar biology, 28 (7), pp. 523-527 . doi: 10.1007/s00300-005-0716-7


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