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Seasonal variation in the balance between physiological mechanisms of feeding and digestion in Mytilus edulis (Bivalvia: Mollusca)
Hawkins, A.J.S.; Bayne, B.L. (1984). Seasonal variation in the balance between physiological mechanisms of feeding and digestion in Mytilus edulis (Bivalvia: Mollusca). Mar. Biol. (Berl.) 82: 233-240
In: Marine Biology. Springer: Heidelberg; Berlin. ISSN 0025-3162, more
Peer reviewed article  

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Keywords
    Digestion; Ecological efficiency; Food consumption; Radioactive labelling; Bivalvia [WoRMS]; Mollusca [WoRMS]; Mytilus edulis Linnaeus, 1758 [WoRMS]; Marine

Authors  Top 
  • Hawkins, A.J.S.
  • Bayne, B.L.

Abstract
    Seasonal variations in the balance between physiological mechanisms of feeding and digestion are considered among 45 to 57 mm shell length M. Edulis L. from southwest England. Mussels had been acclimated to standardised conditions of food availability in March, June and October, 1981. Results indicate that despite showing a negative relationship (P < 0.001) with the efficiency of 15N absorption, coincident alterations of both ingestion rate (0.17 to 0.54 mg total Phaeodactylum tricornutum h -1) and organic gut content (1.000 to 1.80 mg) represent significant mechanisms effecting the seasonal regulation of nutrient acquisition.

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