The use of tidal growth bands in the shell ofCerastoderma eduleto measure seasonal growth rates under cool temperate and sub-arctic conditions

Abstract
It has previously been shown inCerastoderma edulethat during periods of active growth the increments between successive growth bands each correspond to a period of tidal immersion. They can therefore be used to record instantaneous growth rates. For shells which, likeCerastoderma, conform to the Bertalanffy equation, such increments can be used independently of age and size to measure the Bertalanffy constant over brief intervals.

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