Brackish water pond polyculture of estuarine fishes in power plant thermal effluent and their use as biological monitors of water quality.




Branch, M.R.

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Texas A&M University


Four species of fish were cultured in 0.1 ha ponds from August, 1976, to May, 1977. Each pond received a constant flow of thermal effluent from the discharge canal of the Cedar Bayou Generating Station, Houston Lighting & Power Company. Striped mullet, Mugil cephalus, were maintained in polyculture with black drum, Pogonias cromis, Atlantic croaker, Micropogon undulatus, and southern flounder, Paralichthys lethostigma. Mullet, croaker, and black drum were also raised in monoculture. Survival and growth rates, length-weight and standard length-total length relationships, condition, competition, and food conversion were computed monthly.


158 p., Thesis


ponds, power plants, polyculture, pond culture, striped mullet, Mugil cephalus, black drum, Pogonias cromis, Atlantic croaker, Micropogon undulatus, southern flounder, Paralichthys lethostigma, survival, growth, length-weight relationships, competition, food conversion, temperature, metals