Penaeid Shrimp Abundance And Riverine Flow In San Antonio Bay, Texas

The relationships of abundance of brown shrimp (Penaeus azteeus Ives) and white shrimp (P. setiferus L.) to spring and fall river flow into San Antonio Bay, Texas were studied. Standing crop indices determined from trawl sampling and bay commercial landings were poorly correlated; only those indices obtained from trawl samples were deemed valid. Brown shrimp abundance showed no detectable relationship to changes in freshwater inflow; white shrimp abundance, however, showed a significant positive correlation with May-June inflow and with the previous year's September-October inflow.

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