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Alteration of macroinvertebrate community in tropical aquatic systems in relation to sediment redox potential and overlaying water quality D. Chakrabarty and S. K. Das Abstract Limnological studies in two tropical Indian aquatic habitats showed that macroinvertebrate communities have greater diversity than other biotic communities present there. Sediment redox potential is found to be an important factor for alteration of macroinvertebrate communities in aquatic bodies. Anthropogenic activities have influenced the changing of sediment redox potential values of the studied sites and there by affected the macroinvertebrate communities. Keywords Macroinvertebrate, redox potential, mergelef index, shannon-weiner diversity index, lentic, lotic

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