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Ernährungsökologische Untersuchungen an Gammarus pulex (L.) und Gammarus fossarum KOCH, 1835 (Crustacea, Amphipoda) in einem Wiesenbach und einem Waldbach [Studies on the feeding ecology of Gammarus pulex (L.) and Gammarus fossarum KOCH, 1835 (Crustacea, Amphipoda) in a grassland- and a forest stream]

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Koch,  Klaus Dieter
Limnological River Station Schlitz, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;

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引用

Koch, K. D. (1990). Ernährungsökologische Untersuchungen an Gammarus pulex (L.) und Gammarus fossarum KOCH, 1835 (Crustacea, Amphipoda) in einem Wiesenbach und einem Waldbach [Studies on the feeding ecology of Gammarus pulex (L.) and Gammarus fossarum KOCH, 1835 (Crustacea, Amphipoda) in a grassland- and a forest stream]. Beiträge zur Naturkunde in Osthessen, 26, 3-126.


引用: http://hdl.handle.net/11858/00-001M-0000-000F-CA18-C
要旨
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. Thr 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 is much more a specialist on food resources of forest streams.