Evolution qualitative à long terme des rotifères du Lac Léman |
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| Authors: | Gérard Balvay Monique Laurent |
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| Institution: | (1) Institut de Limnologie I.N.R.A., B.P. 511, F-74203 Thonon-les-Bains Cedex, France |
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| Abstract: | Seventy-five species and lower taxonomic units of rotifers have been identified in Lake Geneva (= lac Léman); 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. |
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| Keywords: | Lake Geneva rotifers eutrophication long-term changes trophic indicators |
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