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A limnological study of the Afram arm of Volta Lake.

Posted on: 13 Jun, 2017 12:09 pm

A two year’s limnological study of the Afram arm of the Volta Lake is reported. This arm of the lake is shallow; it receives frequent winds, which together with the floods of June-September create near isothermal conditions. The upper io m is well oxygenated with some oxygen, about 2 mg/l, reaching the bottom for most part of the year. It is poor in nutrients, values of total dissolved solids lying between 40–60 mg/l. But frequent algal blooms of Oscillatoria curviceps, O. princeps and Mycrocystis aeruginosa occur and the net primary production rate in some areas range between 8.4 and 142.5 mg C/m3/hr. It is suggested that the high tropical temperatures encourage quick recycling leading to relatively high organic production, thus making this arm non-oligotrophic.

Name of Author(s):
Obeng-Asamoa, E. K.
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Journal Article
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