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Rate of heat dissipation by gametes and larval stages of Mytilus edulis

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Abstract

Heat dissipation of sperm, eggs and various stages of the planktonic larvae of the mussel Mytilus edulis L. was recorded directly at 15°C. The absolute heat dissipation increased steadily over all stages examined. The massspecific heat dissipation also increased during early embryogenesis from the fertilized egg to the D-larval stage. Starting from the early veliconcha stage, however, the mass-specific rate of heat dissipation declined from about 90 m W g-1 with increasing body size with a weight exponent of-0.35. A comparison with literature data revealed a consistently higher metabolic activity than previously estimated by indirect calorimetry for gametes and larvae.

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Communicated by O. Kinne, Oldendorf/Luhe

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Sprung, M., Widdows, J. Rate of heat dissipation by gametes and larval stages of Mytilus edulis . Mar. Biol. 91, 41–45 (1986). https://doi.org/10.1007/BF00397569

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  • DOI: https://doi.org/10.1007/BF00397569

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