Ernährungsökologische Untersuchungen an Gammarus pulex (L.) und Gammarus 
fossarum KOCH, 1835 (Crustacea, Amphipoda) in einem Wiesenbach und einem 
Waldbach

Koch, Klaus Dieter

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Ernährungsökologische Untersuchungen an Gammarus pulex (L.) und Gammarus fossarum KOCH, 1835 (Crustacea, Amphipoda) in einem Wiesenbach und einem Waldbach

Koch, K. D. (1989). Ernährungsökologische Untersuchungen an Gammarus pulex (L.) und Gammarus fossarum KOCH, 1835 (Crustacea, Amphipoda) in einem Wiesenbach und einem Waldbach. PhD Thesis, Justus-Liebig-Universität, Gießen.

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Datensatz-Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-CA57-D Versions-Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-CA58-B

Genre: Hochschulschrift

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Urheber:
Koch, Klaus Dieter¹, Autor
Klee, Rainer, Ratgeber
Scherf, Heinz, Ratgeber
Meijering, Meertinus P. D.¹, Ratgeber

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: Studies on the feeding ecology of Gammarus pulex (L.) and Gammarus fossarum KOCH, 1835 (Crustacea, Amphipoda) in a grassland- and a forest stream. The allochthonous and autochthonous input of coarse particulate organic matter (CPOM) into two small streams in a hilly landscape in East-Hesse was measured quantitatively and qualitatively throughout a year. The first stream mainly runs through open grassland, the other is generally shaded by deciduous trees. Field studies and laboratory experiments were carried out to determine food preferences of the gammarids and the nutritious value of the input material. The results were used to characterize the trophic situation of both Gammarus pulex and G. fossarum in different types of streams. It was shown that G. pulex is rather flexible in taking up organic matter of various origin while G. fossarum much more a specialist on food resources of forest streams.