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The effect of fish predation on community structure in two large freshwater zooplankton, Leptodora kindtii and Chaoborus americanus.

dc.contributor.authorWhitley, Susan D.en_US
dc.coverage.spatialDouglas Lakeen_US
dc.coverage.spatialBryant's Bogen_US
dc.coverage.spatialUMBS Campusen_US
dc.date.accessioned2007-06-14T21:52:05Z
dc.date.available2007-06-14T21:52:05Z
dc.date.issued1991en_US
dc.identifier.urihttps://hdl.handle.net/2027.42/54321
dc.description.abstractThe size-efficiency hypothesis of fish predation has dominated the literature on zooplankton community structure for the past several years. Based on this hypothesis, the preference of fish for larger prey will determine zooplankton distribution. Large species will dominate lakes with low levels of vertebrate predation while smaller ones will thrive when fish predation is heavy. We examined the distribution of two large freshwater zooplankton, Leptodora kindtii and Chaoborus americanus in two lakes of northern lower Michigan. Unlike Leptodora, Chaoborus is never found in lakes with fish. We determined that fish preferentially feed on Chaoborus over Leptodora. Since this difference could not be explained on the basis of body size, we examined other factors which might play a role. Body color and movement both appear to be important factors in fish prey selection. As a result of this differential predation, zooplankton distribution and community structure are influence by fish predation, but size is not the determining factor.en_US
dc.format.extent405908 bytes
dc.format.extent3144 bytes
dc.format.mimetypeapplication/pdf
dc.format.mimetypetext/plain
dc.relation.haspartGraphen_US
dc.relation.haspartTable of Numbersen_US
dc.subjectGeneral Ecologyen_US
dc.subject.otherFISHESen_US
dc.subject.otherPREDATIONen_US
dc.subject.otherZOOPLANKTONen_US
dc.subject.otherLEPTODORAen_US
dc.subject.otherCHAOBORUSen_US
dc.subject.otherSIZEen_US
dc.subject.otherBODYen_US
dc.subject.otherPREYen_US
dc.subject.otherDISTRIBUTIONen_US
dc.subject.otherCOMMUNITYen_US
dc.subject.otherSTRUCTUREen_US
dc.titleThe effect of fish predation on community structure in two large freshwater zooplankton, Leptodora kindtii and Chaoborus americanus.en_US
dc.typeWorking Paperen_US
dc.subject.hlbsecondlevelNatural Resource and Environmenten_US
dc.subject.hlbtoplevelScienceen_US
dc.contributor.affiliationumBiological Station, University of Michiganen_US
dc.contributor.affiliationumcampusAnn Arboren_US
dc.description.bitstreamurlhttp://deepblue.lib.umich.edu/bitstream/2027.42/54321/1/2757.pdfen_US
dc.description.filedescriptionDescription of 2757.pdf : Access restricted to on-site users at the U-M Biological Station.en_US
dc.owningcollnameBiological Station, University of Michigan (UMBS)


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