Appendix 1. Abundance (Ind../0.36m²) of benthic macroinvertebrates at the sampling sites

Scientific name\Site	1st						2nd
	St. 1	St. 2	St. 3	St. 4	St. 5	St. 6	St. 1	St. 2	St. 3	St. 4	St. 5	St. 6
Phylum Platyhelminthes
Dugesia sp.		2	4		7	2		2	15	5		3
Phylum Mollusca
Cipangopaludina chinensis malleata												1
Semisulcospira coreana												1
Semisulcospira forticosta				10	7
Semisulcospira gottschei			10			3	1					1
Semisulcospira libertina	8	23	4			2	1	2	3	1	3	1
Radix auricularia						1
Physa acuta			3		7
Phylum Annelida
Eisenia sp.		1			2						1	1
Limnodrilus gotoi	5	8	4		18	2	1		6	4
Alboglossiphonia heteroclita			1									1
Phylum Arthropoda
Gammarus sp.							1				1
Collembola sp.					1					1
Acentrella sibirica									1
Baetiella tuberculata	4	3	6			7	3	8	1		3	36
Baetis fuscatus		40	68	16	35	130	4	11	102	13	14	75
Baetis silvaticus	4						29	2
Baetis ursinus			14	2	13	3			9		3	5
Labiobaetis atrebatinus		6	1	3	5	5		3		3		9
Nigrobaetis bacillus			1			1			1			1
Procloeon pennulatum			13			1
Ecdyonurus bajkovae											2
Ecdyonurus dracon	30		23			8	3
Ecdyonurus joernensis												1
Ecdyonurus kibunensis	113	227	83	58	168	78	3	24	15
Ecdyonurus levis	2	1	8	6	1	15		2	5		10	43
Epeorus nipponicus	12	1
Epeorus pellucidus	9	3	61	8	3	29		4	10	1	5	25
Epeorus maculatus									1
Paraleptophlebia japonica											1
Ephemera orientalis		4				1				2		3
Ephemera strigata		2		3			11	2	14	7	11	13
Cincticostella levanidovae							11	33	64	22	83	221
Drunella aculea								2	2		5	3
Serratella setigera				1
Phylum Arthropoda
Teloganopsis punctisetae	19	1	9	2	1	9		1	3		1	13
Caenis sp.			3		5	42						1
Atrocalopteryx atrata				1
Calopteryx japonica											1	7
Davidius lunatus	1	1		1					1
Ophiogomphus obscurus						1
Sieboldius albardae		1			1			1
Anotogaster sieboldii					1
Sympetrum vulgatum			1
Nemoura KUb	8	13		1	2
Paracapnia recta										2
Pteronarcys sachalina							2		1
Stavsolus KUa												1
Oyamia nigribasis							1
Sweltsa nikkoensis								1
Parachauliodes asahinai	1		1	1							1
Nebrioporus sp.						1
Stenelmis sp.						1
Eubrianax ramicornis											6
Mataeopsephus japonicus											1
Malacopsephenoides japonicus				1
Galerucella (Galerucella) KUa					1
Luciola (Luciola) lateralis						1
Antocha KUa		6	11	2	9	11		2			1	2
Tipula (Yamatotipula) latemarginata latemarginata	6							2
Tipula KUa	14				3			4	1		1
Tipula KUo		1
Dixidae sp.										1		1
Simulium sp.	33	18	154	1	17	1	24	25	5	22		58
Ceratopogonidae sp.		1	3	4	2
Chironomidae sp.	14	236	83	13	124	42	42	28	10	88	10	12
Suragina KUb		1
Dolichopodidae sp.	2
Tabanus sp.										2
Ephydridae sp.			1
Rhyacophila KUa											1	2
Rhyacophila lata	1	4	4	10	1	3	3	1	2
Phylum Arthropoda
Rhyacophila yamanakensis												2
Hydroptila KUa	1				2
Agapetus KUa				1
Glossosoma KUa	12	5	20	2	1			1
Wormaldia KUa		8	48	9		5		2			5	3
Cheumatopsyche brevilineata	2		3	1		3		10	9	10	24	51
Cheumatopsyche KUa			10		1	16					1
Hydropsyche kozhantschikovi			19	8	1	58			2		6	56
Hydropsyche orientalis	2		5	2		1	39	7	1		11	13
Hydropsyche valvata												3
Nothopsyche KUa				1
Goera japonica											2
Apatania KUa	7
Lepidostoma KUa			25			5					1	4
Lepidostoma KUb	1	12	5	1	37		3	3		4
Ceraclea KUa						1						7
Ceraclea KUc			1								3
Mystacides KUa				1				1
Oecetis sp.		5			2
총 91 종	25	28	35	29	30	33	18	25	26	17	30	36
총 4527 개체	311	634	710	170	478	489	182	181	286	188	218	680

ㆍCollected by qualitative sampling.