Sciandra, A. (1986). Study and modelling of the development of Euterpina acutifrons (Copepoda: Harpacticoida). Journal of Plankton Research. 8(6):1149-1162, figs. 1-8, tabs. 1-2.

112913

10.1093/plankt/8.6.1149 [view]

Sciandra, A.

1986

8(6):1149-1162, figs. 1-8, tabs. 1-2.

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The larval development of populations initially composed of nauplii Nl of Euterpina acurifrons (Copepoda: Harpacticoida) is studied in the laboratory. A first experiment in which temperature is the only varying parameter allows an assessment of inherent variability of development. A simple mathematical model then accounts for the effect of temperature on development. We find residence times to be almost identical for all developmental stages, and higher mortality rates in the case of stages N6 and Cl. The model also accounts for latency times observed in the development of populations including larval stages. A second experiment, run at constant temperature, shows that a deficient food supply increases the average residence time of early stages, as well as their variance. Data obtained on a population bred in tanks under unregulated trophic and temperature conditions show that the variation with time of the stage composition of the population modulates the effect of external factors on the growth of the population.

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