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Population characteristics of estuarine decapod crustaceans in intake and discharge areas of the Cedar Bayou Electric Power Station before and during construction and operation
Population characteristics of estuarine decapod crustaceans
xxv, 454 leaves : illustrations, graphs, map ; 28 cm
Crustacean abundance, distribution and taxonomic composition were determined intake (Tabbs Bay and Cedar Bayou) and discharge (Trinity Bay) areas before operation (October 1969 through September 4, 1970), during operation of one 750 mw unit (September 5, 1970 through February 1, 1972) and during operation of two 750 mw units (February 2, 1972 through December 1972) of the Cedar Bayou Electric Power Station, Chambers County, Texas. Otter trawls, bag seines and pushnets were used in sampling. Initial plant operations were erratic. Mechanical problems forced plant shut-downs during May 24 through June 3 and July 7 through September 10, 1971. These were periods when thermal stress would have been higher had ambient bay temperatures been increased by addition of above-ambient thermal discharge. These occurrences and implementation of the 2600-acre cooling pond on April 27, 1972 resulted in little elevation in ambient temperatures during warmest periods. Grass shrimp (Palaemonetes pugio), brown shrimp (Penaeus aztecus), white shrimp (Penaeus setiferus) and blue crab (Callinectes sapidus) comprised of 98.55% of the total crustacean catch. Cooling water taken from Cedar Bayou and Tabbs Bay via that portion of Cedar Bayou downstream from the plant resulted in flow reversal in Cedar Bayou below the plant and improved circulation in Tabbs Bay.
"Major subject: Wildlife and Fisheries Sciences."
Includes bibliographical references (leaves 443-453).