Structure of a benthic macroinvertebrates community associated to macrophytes in a lotic neotropical river, Southeastern the Brazil
Abstract
Benthic macroinvertebrates have been being widely used as bioindicators of environmental quality. The aim of this work was to analyze the composition, specific wealth and bentonic macroinvertebrates abundance in Jucu river and use them as evaluation tool of water quality. The wealth was relatively low, compared to other studies in brazilians lotic environments. The minor diversity index was found in the point 5, with the dominance of one only family, Chironomidae with several individuals. Moreover, the antropic interventions and the improper soil use, in area around the river, has contributed to modify physical-chemistry characteristic and the taxons present in this portion of the river. In the point 5, the Jucu river is losing lotic environment characteristics, great presence of macrophytes is observed, in consequence of the sewage and ciliary woods absence.
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