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Journal of Biological Sciences
Year: 2001  |  Volume: 1  |  Issue: 6  |  Page No.: 532 - 540

The Biology of Lymnaea peregra (Muller) (Gastropoda:Pulmonata: Basommatophora) with Special Reference to the Effects of Herbicides on its Reproduction

M. Nazrul Islam, Gordon R. Port and Athol J. McLachlan    

Abstract: The freshwater snail, Lymnaea peregra (Muller) is widely distributed in the UK and is probably the commonest species in Europe. Culture of L. peregra in laboratory conditions have paid attention to foods, temperature and water quality, and these directly affect the life history traits, such as growth rate, age of maturation and fecundity. The occurrence of the herbicide, simazine in freshwater habitats does not only have a direct effect on the distribution of snails, but may also have indirect effects on both higher and lower trophic levels. It is more important to determine the influence of herbicides on the population densities of a snail which is needed for both ecological balance and economic importance.

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