Abstract
Seasonal changes in the body weight and composition of Abra alba (W. Wood) from south of the Little Cumbrae in the Clyde Sea Area (UK) were studied during 1969–1971. The composition of a specimen of standard size was calculated for each sampling data to provide information on seasonal changes independent of shell growth. Increase in body weight took place rapidly in early summer as the gonad developed and reserves were built up. Spawning in July resulted in a fall in body weight, and this was followed by a slower fall during the autumn and winter as reserves were utilized. The changes are related to seasonal fluctuations in food availability and temperature, which are reflected in the amount of pigment (phaeophytin) retained in the tissues.
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Communicated by J. H. S. Blaxter, Oban
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Ansell, A.D. Seasonal changes in biochemical composition of the bivalve Abra alba from the Clyde Sea Area. Mar. Biol. 25, 13–20 (1974). https://doi.org/10.1007/BF00395103
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DOI: https://doi.org/10.1007/BF00395103