highly significantp < 0.01
One-way ANOVA revealed no significant differences in the number of macrobenthic species across the three areas in 2019, 2020, 2021, and 2023 ( p > 0.05), while significant differences were observed in 2018 (F 2 = 5.14, p < 0.05), and highly significant differences were observed in 2024 (F 2 = 11.62, p < 0.01).