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The Impact of Fungal Extracts on Leaf Litter on the Food Preference of Gammarus roeselii

The Impact of Fungal Extracts on Leaf Litter on the Food Preference of Gammarus roeselii

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ASSMANN, Christine, Eric von ELERT, 2009. The Impact of Fungal Extracts on Leaf Litter on the Food Preference of Gammarus roeselii. In: International Review of Hydrobiology. 94(4), pp. 484-496. ISSN 1434-2944. eISSN 1522-2632

@article{Amann2009Impac-1217, title={The Impact of Fungal Extracts on Leaf Litter on the Food Preference of Gammarus roeselii}, year={2009}, doi={10.1002/iroh.200811160}, number={4}, volume={94}, issn={1434-2944}, journal={International Review of Hydrobiology}, pages={484--496}, author={Aßmann, Christine and Elert, Eric von} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/1217"> <dc:creator>Aßmann, Christine</dc:creator> <dc:contributor>Aßmann, Christine</dc:contributor> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-23T09:06:52Z</dc:date> <dcterms:issued>2009</dcterms:issued> <dcterms:rights rdf:resource="http://nbn-resolving.org/urn:nbn:de:bsz:352-20140905103416863-3868037-7"/> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-23T09:06:52Z</dcterms:available> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/1217"/> <dc:language>eng</dc:language> <dcterms:abstract xml:lang="eng">We investigated the effect of methanol and methanol/methylene chloride extracts of the oomycete Pythium sp. JN 1-b and of the fungi Ascomycete sp. PVSo8, Fusarium sporotrichoides, and Cylindrocarpon sp. 94-2057 on the food preference of Gammarus roeselii. The preference for leaf discs coated with these extracts compared to uncoated leaf discs was tested in food-choice assays. Methanol extracts of all strains repelled G. roeselii, and the effect of the extract concentration on relative consumption was strain specific. The repellent effect of these extracts, especially of extracts of Cylindrocarpon sp., decreased when the fungi were grown on leaf extract medium as opposed to synthetic medium containing sucrose. None of the methanol/methylene chloride extracts affected the food preference of the gammarid. We conclude that biologically active compounds were extracted from fungi and an oomycete were soluble in methanol but not in methanol/methylene chloride. Only repellent activity was observed with the extracts, and relative ratios of repellents and attractants might determine the consumption of fungi by G. roeselii.</dcterms:abstract> <dcterms:title>The Impact of Fungal Extracts on Leaf Litter on the Food Preference of Gammarus roeselii</dcterms:title> <dc:contributor>Elert, Eric von</dc:contributor> <dc:creator>Elert, Eric von</dc:creator> <dcterms:bibliographicCitation>Publ. in: International Review of Hydrobiology 94 (2009), 4, pp. 484-496</dcterms:bibliographicCitation> <dc:rights>deposit-license</dc:rights> </rdf:Description> </rdf:RDF>

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