| distribution of fish assemblages in lajes reservoir, rio de janeiro, brazil. | spatial distribution of fish assemblages in lajes reservoir, a 30 km2 impoundment in rio de janeiro state (lat. 22 degrees 42'-22 degrees 50's; long. 43 degrees 53'-44 degrees 05'w) was assessed to detect patterns of available habitat use by the fish. a standardized monthly sampling program was carried out from january to december 1994 at three zones of the reservoir (upper, near tributary mouths; middle; and lower, near the dam). fishes were caught by gillnets, (50 m long, 3 m height), with mes ... | 2002 | 12071313 |