The only significant relationship between the number of mature males and females caught and the environmental parameters was found for water temperature (Spearman correlation test, n = 30; r = 0.5 t(n − 2) = 3.051; p = 0.005).
The only significantrelationship between the number of maturemales and females caught and the environmentalparameters was found for water temperature(Spearman correlation test, n = 30; r = 0.5 t(n − 2) = 3.051; p = 0.005).