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Journal Article

Autökologische Untersuchungen zum Lebenszyklus von Setipalpia-Arten (Plecoptera)

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Schwarz,  Peter
Limnological River Station Schlitz, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;

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Citation

Schwarz, P. (1970). Autökologische Untersuchungen zum Lebenszyklus von Setipalpia-Arten (Plecoptera). Archiv für Hydrobiologie, 67(1), 103-172.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000F-CE7C-8
Abstract
It takes Isoperla goertzi and Diura bicaudata two and Perlodes microcephala one year to complete a generation. Differences in the lengths of the life cycles are to be explained by characeristics of the three stages: egg, nymph, and adult. In an artificial stream D. bicaudata is found to migrate upstream more actively and to drift less frequently than I. goertzi. Drift and upstream movement of nymphs of D. bicaudata in the Lauter creek maintain a steady population. In contrast there is a steady loss during the nymphal life of I. goertzi, and the balance is restored during the adult stage.