Study of the Hydrography and Meteorology of the Texas coast - Analysis of Populations of Sports and Commercial Fin-Fish and of Factors Which Affect These Populations in the Coastal Bays of Texas




Schultz, Ronnee L.

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Texas Parks and Wildlife Department


Each bay area along the Texas Coast is an entity with its own particular hydrographic problems. Tha Galveston, Matagorda and San Antonio Bay Systems have an average annual rainfall in excess of 25 inches, plus large river drainage systems which tend to maintain relatively low salinities. From Aransas Bay to the Laguna Madre, rainfall decreases to less than 20 inches and hypersalinity becomes a problem. Fisheries landings indicate that hydrographic conditions affect the productivity and abundance of shrimp, crab and some species of fish. During drought periods salinities become high and catches decline, while during periods of normal rainfall salinities become comparable to those of true estuarine systems and catches increase.


pages 513-522; available for download at the link below.


hydrography, meteorology, rainfall, abundance, landing statistics, salinity