Observations on the biology of nymphs of
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A. Bidwell
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Article
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1979
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Springer
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English
โ 741 KB
Observations on Povilla adusta Navas nymphs in Lake Kainji revealed that seasonal fluctuations in abundance were due to a shortage of food during the period of rising lake level rather than a depletion of oxygen in the water column ; this shortage was caused by the increased turbidity of the flood w