Abstract
Six densities (0.5 × 106, 1.0 × 106, 1.5 × 106, 2.0 × 106, 3.0 × 106, and 4.0 × 106 cells ml−1) of the micro-alga Scenedesmus acuminatus, were fed to the cladoceran, Moina micrura, in 40-litre glass aquaria. Moina population increased with increasing cell densities of Scenedesmus only up to treatment 3 (i.e. 1.5 × 106 cells ml−1) where a peak population of 11 303 individuals per litre was obtained. Moinapopulation growth was inhibited at higher algal densities. The percentage of egg-bearing females and the number of eggs per egg-bearing females, followed a similar pattern. Comparatively, the peak production density of approximately 11 000 Moina per litre, is interesting from a mass production point of view and indicates that S. acuminatus is a satisfactory micro-alga food for M. micrura.
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Ovie, S., Egborge, A.M. The effect of different algal densities of Scenedesmus acuminatus on the population growth of Moina micrura Kurz (Crustacea: Anomopoda, Moinidae). Hydrobiologia 477, 41–45 (2002). https://doi.org/10.1023/A:1021060510355
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DOI: https://doi.org/10.1023/A:1021060510355