| mesohabitat indicator species in a coastal stream of the atlantic rainforest, rio de janeiro-brazil. | the mato grosso is a typical atlantic forest stream located on the east coast of brazil, approximately 70 km from rio de janeiro city. from its source at about 800m a.s.l, the stream drains a 30km2 area of the northwestern part of the municipality of saquarema, state of rio de janeiro and flows into the saquarema lagoon system. we hypothesized that fish species occupy distinct mesohabitats, with the prediction that their occurrences and densities differ among the microhabitats of riffles, runs a ... | 2010 | 21247000 |