Prediction of Egg Development Times of Freshwater Copepods

Abstract
Available literature data on the relationship between freshwater copepod egg development time and temperature were summarized and fitted where possible to Belehradek''s temperature function D = a(T - .alpha.)b where D is development time, T is temperature, a, b and .alpha. are fitted constants. In the calanoids, and to a lesser extent cyclopoids, a and .alpha. were predictably related as were .alpha. and in situ egg hatching temperature (TH) when b was assumed to be constant for all copepods. A simple procedure describes a curve construction relating egg development and temperature by only knowing TH and applying it to Belehradek''s temperature function.

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