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Artificial Reservoir Destratification Effects on Phytoplankton

Robert T. Lackey
Journal (Water Pollution Control Federation)
Vol. 45, No. 4 (Apr., 1973), pp. 668-673
Stable URL: http://www.jstor.org/stable/25037806
Page Count: 6
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Artificial Reservoir Destratification Effects on Phytoplankton
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Abstract

A 19-ha Colorado montane reservoir was kept thermally destratified by continuous aeration for 1 yr. Total phytoplankton abundance was reduced, but phyla varied in their response. Green phytoplankton (Chlorophyta) decreased in abundance and diatoms (Bacillariophyacea) were nearly eliminated during destratification. Blue-green algae (Cyanophyta), however, increased in abundance and this phenomenon may limit the use of destratification in water management. Vertical distribution of phytoplankton was not affected by destratification.

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