Fig. 6: Correlation heat map between environmental factors.

Turb, WT, EC, DO, TN, NH₄⁺-N, NO₃^–-N, TP, PO₄³⁻-P, and NO₂⁻-N represent turbidity, water temperature, conductivity, dissolved oxygen, total nitrogen, ammonia nitrogen, nitrate nitrogen, total phosphorus, phosphate, and nitrite nitrogen, respectively.