Plasma Ion Concentrations in Selected Fishes from Four North Central Texas Reservoirs with Different Salinities

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Mean salinity concentrations in the four reservoirs (Moss, Ray Hubbard, Texoma and Possum Kingdom) ranged from 0.2 ppt in Moss Lake to 2.01 ppt in Possum Kingdom Lake. Reservoir sodium and chloride concentrations were hypotonic to hypertonic to plasma levels in all species. Interspecific differences were seen in ionic concentrations within each reservoir. Total osmotic and sodium concentrations in carp, Cyprinus carpio, were correlated to their concentrations in the reservoirs. No such relationship was noted for chloride, potassium and calcium. A laboratory study indicated that fish collection by electroshock did not bias plasma ion concentrations. Exposures to wide variations in ... continued below

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viii, 101 leaves: ill., maps

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Del Regno, Kenneth J. (Kenneth Joseph) December 1983.

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  • Del Regno, Kenneth J. (Kenneth Joseph)

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Mean salinity concentrations in the four reservoirs (Moss, Ray Hubbard, Texoma and Possum Kingdom) ranged from 0.2 ppt in Moss Lake to 2.01 ppt in Possum Kingdom Lake. Reservoir sodium and chloride concentrations were hypotonic to hypertonic to plasma levels in all species. Interspecific differences were seen in ionic concentrations within each reservoir. Total osmotic and sodium concentrations in carp, Cyprinus carpio, were correlated to their concentrations in the reservoirs. No such relationship was noted for chloride, potassium and calcium. A laboratory study indicated that fish collection by electroshock did not bias plasma ion concentrations. Exposures to wide variations in ionic concentrations did not appear to induce stress in the species studied.

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viii, 101 leaves: ill., maps

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  • December 1983

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  • May 10, 2015, 6:16 a.m.

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Del Regno, Kenneth J. (Kenneth Joseph). Plasma Ion Concentrations in Selected Fishes from Four North Central Texas Reservoirs with Different Salinities, thesis, December 1983; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc503827/: accessed July 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .