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  Effects of an artificially silted stream bottom on species composition and biomass of Trichoptera in Breitenbach

Wagner, R. (1987). Effects of an artificially silted stream bottom on species composition and biomass of Trichoptera in Breitenbach. In M. Bournaud, & H. Tachet (Eds.), Proceedings of the 5th International Symposium on Trichoptera (pp. 349-352). Dordrecht, The Netherlands: Dr. W. Junk Publishers.

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 Urheber:
Wagner, Rüdiger1, Autor           
Affiliations:
1Limnological River Station Schlitz, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_976546              

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 Zusammenfassung: By putting a weir immediately below an emergence trap, current velocity was reduced, and thus a layer of fine sand was deposited. There was a significant decrease in specimen numbers for most of the dominant taxa, Agapetus fuscipes, Tinodes rostocki, Sericostoma personatum, and Rhyacophila fasciata . No effect was observed for Apatania fimbriata and Chaetopteryx villosa . Trichoptera biomass was reduced for about 1/3 to 2/3. The amount of specimens in the sandy trap showed a heavy influence of the mode of emergence in between different species. Drift distances during emergence vary from about 50 cm to 10 m, depending on current velocity and on the species.

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Sprache(n): eng - English
 Datum: 1987
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: eDoc: 245315
Anderer: 0712
 Art des Abschluß: -

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Titel: Proceedings of the 5th International Symposium on Trichoptera
Genre der Quelle: Buch
 Urheber:
of Trichoptera, Proc. the 5th Int. Symp. on, Autor
Bournaud, M, Herausgeber
Tachet, H., Herausgeber
Affiliations:
-
Ort, Verlag, Ausgabe: Dordrecht, The Netherlands : Dr. W. Junk Publishers
Seiten: - Band / Heft: - Artikelnummer: - Start- / Endseite: 349 - 352 Identifikator: ISBN: 9061936209