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The Multifaceted Effects Induced By Floods On The Macroinvertebrate Communities Inhabiting A Sinking Cave Stream, Octavian Pacioglu, Nicoleta Ianovici, Mărioara N. Filimon, Adrian Sinitean, Gabriel Iacob, Henrietta Barabas, Alexandru Pahomi, Andrei Acs, Hanelore Muntean, Lucian Pârvulescu
The Multifaceted Effects Induced By Floods On The Macroinvertebrate Communities Inhabiting A Sinking Cave Stream, Octavian Pacioglu, Nicoleta Ianovici, Mărioara N. Filimon, Adrian Sinitean, Gabriel Iacob, Henrietta Barabas, Alexandru Pahomi, Andrei Acs, Hanelore Muntean, Lucian Pârvulescu
International Journal of Speleology
First-order sinking cave streams experience considerable hydrological variability, including spates and periods of base-flow during dry seasons. Early-summer flooding on a first-order stream sinking in Ciur-Ponor Cave (Romania) represented a suitable opportunity to test the response of the macroinvertebrate community and of basal food resources quantity and diversity to such a disturbance event. The invertebrate community and basal resources (i.e., woody debris, leaves, fine particulate organic matter and epilithon) were collected from three sampling sites, before and after the flood. The sampling strategy followed an up-downstream gradient of both species diversity and quantity of allochtonous organic matter decrease as the …