O AZUL DE METILENO DA QUALIDADE DO SÊMEN DA TRUTA ARCO-ÍRIS, Salmo irideus GIBBONS

FOGLI DA SILVEIRA, WashingtonTahira KAVAMOTO, EmikoMizumo ISHIZUKA, MassaioAntonio PENTEADO, Luiz

This paper informs on the capture of "manjuba" (Anchoviella lepidentostole) and physical and chemical parameters of the water of Ribeira de Iguape River at 3 locations (Boa Vista, Ponte, Praia do Numa) in Registro (SP). Samples were collected from October 1978 to September 1979. It were detected the locations and times in which occurred the biggest captures; the most significant differences showed among the limnological factors: turbidity, electrical conductivity, alkalinity and silica and calcium contents.