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The effects of the different concentrations of Thiodan® on the mortality rates of Gambusia affinis and Gammarus pulex
(1999) Cengiz E.I.; Unlu E.
In this study, the acute toxicity of thiodan® on Gambusia affinis (Cyprinidontidae: Pisces) and Gammarus pulex (Amphiopoda: Crustacea) have been examined. In acute toxicity tests, the LC50 values at 24, 48, 72 and 96 hours were investigated for Gammarus Pulex exposed to Thiodan® concentrations of 0.00 (control), 0.25, 0.5, 0.75, 1.0, 2.0, 5.0, 7.5, 10.0, 15.0, 20.0, 25.0, 30.0, 35.0, 50.0, 100.0 ?/lt. The 24, 48, 72 and 96 hours LC50 values were determined as 10.641, 8.755, 4.544 and 3.248 ?/lt, respectively. Moreover, LC50 values at 24, 48, 72 and 96 hours were investigated for Gambusia affinis exposed to Thiodan® concentrations of 0.00 (control), 0.50, 1.00, 1.50, 2.00, 2.50, 3.00, 5.00, 10.00, 12.5, 15.0, 17.5, 20.0, 30.0, 50.0, 100.0 ?/lt. The 24, 48, 72 and 96 hours LC50 values were determined as 14.415, 12.077, 10.035 and 6.116 ?/lt, respectively.