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SIL Proceedings, 1922-2010
Internationale Vereinigung für Theoretische und Angewandte Limnologie: Verhandlungen
Volume 25, 1994 - Issue 3
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XI. Running Waters

Long-term changes in the distribution of leeches along the Danube in Hungary

Pages 1695-1696 | Published online: 01 Dec 2017
 

Summary

The Hirudinea fauna of the Hungarian Danube section has been investigated. From a comparison with Soós's survey six new species' (G. paludosa, G. verrucata, G. concolor, H. medicinalis, E. testacea, T. bykowskii) presence were proved. Trochaeta bykowskii enlarged its distribution area considerably. The relative abundance of the species also changed though E. octoculata, D. lineata and G. complanata remained predominant.

The colonization of newly excavated catch drains in the Szigetköz area turned out to be very slow in spite of the regular connection with the side arm system around them.

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