Cladocera in space and time: Analysis of lake sediments

Hofmann, Wolfgang

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Cladocera in space and time: Analysis of lake sediments

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Hofmann, Wolfgang
Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;

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https://doi.org/10.1007/BF02530293
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Hofmann, W. (1987). Cladocera in space and time: Analysis of lake sediments. Hydrobiologia, 145(1), 315-321.

Cite as: https://hdl.handle.net/21.11116/0000-0009-E044-D

Abstract

Shells of Bosminidae and Chydoridae are quantitatively preserved in lake sediments. The chronological deposition of these remains provides the means for longterm observation of these Cladocera, both in terms of species and communities.

Chydorid analysis, as based on subfossil assemblages, is an analysis of community and provides direct observation of community dynamics over extended periods of time. It has proved to be a valuable method to obtain information on the influence of environmental factors and time on community characteristics.

Morphological variation inBosmina (Eubosmina) has been followed for some thousand years. This is of special interest for the evaluation of taxonomic rank (species, forms) if closely related taxa have co-existed.

Bosmina successions, as well as shifts in the chydorid fauna, are related to environmental change. Thus, cladoceran analysis of lake sediments provides information on the developmental history of lakes and allows observation of the effects of longterm environmental changes, such as climatic changes and eutrophication.