FFG Dominant species Wet season Normal season Dry season
FC Simulium aemulum Rubtsov 0.068 0.023 0.078
Hydropsyche sp. 0.053 0.053 0.207
Philopotamus sp. 0.152 0.308 0.069
Calamoceras sp. - 0.028 0.027
Corbicula fluminea - 0.138 -
GC Caridine denticulate sinensis 0.156 0.372 0.140
Chironominae sp. 0.504 0.107 0.280
Orthodoclinae sp. 0.057 0.049 0.043
Hexatoma (Eriocera) sp. - 0.064 0.027
Baetis sp. A 0.156 0.054 0.048
Paraletophlebia sp. 0.065 0.064 -
Ephemera pulcherrima Eaton - 0.034 0.066
Caenis sp. - 0.033 0.082
Ephemerella sp. - 0.027 -
Enochrus sp. 0.027 - -
Eriocheir sinensis H. Milne Edwards 0.036 0.031 -
Radix swinhoei - - 0.021
PR Tanypodinae sp. 0.100 0.102 0.189
Paragnetina sp. 0.034 - 0.041
Onychogomphus viridicostus Oguma 0.047 0.039 0.064
Brachythemis leucosticta - 0.038 -
Macromia sp. - 0.049 0.077
Nehalennia speciosa - 0.022 -
Protohermes grandis Thunerg - 0.026 0.038
SC Glossosoma sp. - 0.051 0.050
Cinygmula sp.B 0.034 0.032 0.024
Cyphon sp. 0.029 0.040 -
Elmomorphus brevicornis Sharp 0.034 - -
Limnius 0.025 - 0.029
Semisulcospira cancellata 0.026 0.047 0.066
Melanoides tuberculata 0.057 0.068 -
Bellamya purificata 0.029 0.025 0.024
SH Micrasema sp. - - 0.091
Stenocolus sp. - 0.046 0.029