Table 6. Dominant species of benthic macroinvertebrates at each sampling sites

Site\Dominance	1st dominant species (%)		2nd Dominant species (%)
St. 1	Baetis silvaticus	31.6	Epeorus nipponicus	12.7
St. 2	Baetis fuscatus	31.7	Tanypodinae sp.	13.4
St. 3	Simulium sp.	78.6	Chironomidae sp.	6.1
St. 4	Chironomidae sp.	23.3	Ecdyonurus dracon	18.6
St. 5	Baetis fuscatus	82.8	Tanypodinae sp.	4.5
Total	Baetis fuscatus	32.1	Simulium sp.	22.8