Table 10. Comparison TESB, AESB at each sampling sites (mean±S.D)

Site TESB AESB
2020 2022 2020 2022
St. 1 82.0±15.6 B 89.0 B 3.89±0.22 A 4.24 A
St. 2 85.0±59.4 B 90.0 B 3.94±0.04 A 3.91 A
St. 3 82.5±53.0 B 40.0 C 3.81±0.09 A 3.64 B
St. 4 73.5±17.7 B 47.0 C 4.23±0.19 A 3.92 A
St. 5 90.5±17.7 B 43.0 C 4.01±0.16 A 3.31 B