highly significantp < 0.01
Furthermore, TN and TP exhibited a highly significant positive correlation (Pearson correlation coefficient r > 0.80, p < 0.01), indicating that their accumulation in reservoir sediments is closely related.
Furthermore, TN and TP exhibited a highly significant positive correlation (Pearson correlation coefficient r > 0.80, p < 0.01), indicating that their accumulation in reservoir sediments is closely related.
Specifically, the concentrations of Fe and Mn have decreased over the eight years, suggesting a possible trend of ecological improvement in the reservoir or a gradual effectiveness of water management measures.