Abundance of postlarval shrimp-one index of future shrimping success.
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The feasibility of forecasting offshore abundance of commercial-size shrimp from preseason counts of postlarvae as they enter passes to inshore nursery grounds is discussed. Indices derived from the results of 3 year's postlarvae sampling inside Galveston Entrance are correlated with corresponding measures of juvenile abundance on the nursery grounds and, in turn, with appropriate measure of adult abundance are provided by commercial fishery statistics. The method employed to sample postlarvae is described.