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Brazilian Journal of Biology

Print version ISSN 1519-6984On-line version ISSN 1678-4375


CALLISTO, M. et al. Diversity and biomass of Chironomidae (Diptera) larvae in an impacted coastal lagoon in Rio de Janeiro, Brazil. Braz. J. Biol. [online]. 2002, vol.62, n.1, pp.77-84. ISSN 1519-6984.

Diversity and biomass of Chironomidae larvae were studied between January-November 1993 and March-November 1994 in an impacted lagoon in Rio de Janeiro, Southeastern Brazil, in an attempt to establish the ecological consequences of anthropogenic eutrophication processes. Nine hundred and seventy-five organisms belonging to the Tanypodinae, Orthocladiinae, and Chironominae were collected. Polypedilum (62%) and Chironomus (58%) were the most common genera found in the limnetic and littoral zones.

Keywords : biodiversity; eutrophication; chironomids; bioindicators; coastal lagoon.

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