Table 16. Benthic macroinvertebrate index by survey site in Yangjaecheon

Site BMI
March July September November Mean
Juam bridge 46.4(D) 52.4(C) 61.6(C) 60.1(C) 55.1(C)
Bodo bridge 61.7(C) 57.3(C) 63.0(C) 66.4(B) 61.1(C)
Daechi bridge 60.6(C) 59.1(C) 50.5(C) 67.8(B) 59.5(C)