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Vergleichende Emergenzstudien an einem naturnahen und einem naturfernen Abschnitt des Fließgewässersystems der Fuhlenau in Schleswig‐Holstein
Author(s) -
Böttger Klaus,
Holm Uwe,
Mikowski Karol
Publication year - 1987
Publication title -
internationale revue der gesamten hydrobiologie und hydrographie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.524
H-Index - 52
eISSN - 1522-2632
pISSN - 0020-9309
DOI - 10.1002/iroh.19870720310
Subject(s) - ecology , colonization , taxon , geography , biology , forestry
Comparison of Insect Emergence from Natural and Artificially Modified Sections of a Stream, the Fuhlenau, in Schleswig‐Holstein There are no detailed reports in the literature concerning the relationships between the degree to which artificial conditions along a stream have replaced natural ones and the zoobenthos colonization. The ecological effects of mechanical disturbances from channelization, maintenance, or similar activities are given as causes of reductions in individual abundances and species diversity. The ecological effects are essentially more complex and should be determined separately for each of the individual taxa. The conclusions are based on emergences recorded in traps during a six month period from May to October.