Seasonal setting patterns of five species of bivalves in the Tred Avon River, Maryland
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Abstract
Bottle collectors were placed in the Tred Avon River, Maryland, during 1961, 1962, and 1963, to obtain information on the setting of bivalves. The bottle collector was an economical and efficient tool for obtaining and studying newly metamorphosed invertebrates in shallow estuarine waters. Seven bivalve species were caught on or in these bottles and the seasonal setting patterns of five species were observed. Of these species,Mya arenaria andMacoma balthica appeared to have dual spawning cycles each year, whileBrachidontes recurvus, Macoma phenax, andMulinia laterali had a single annual spawning cycle.
Keywords
Bivalve Species Eastern Oyster Macoma Balthica Cement Block Mercenaria Mercenaria
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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© Estuarine Research Federation 1965