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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Ref ID : 3952

Gerard Balvay and Monique Laurent; [Evolution qualitative a long terme des rotiferes du Lac Leman]. Aquat.Sci. 52/2:156-161, 1990

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Seventy-five species and lower taxonomic units of rotifers have been identified in Lake Geneva (= lac Leman); seven species and one form are new for the lake. When using indicators of trophic conditions, the qualitative composition of the biocenosis is still dominated by oligo-mesotrophic lake indicators, mixed with eutrophic and oligotrophic ones. However the rotifer biocenosis has not yet reached a steady state.