Table 10. Species and populations by survey site in Yeouicheon

Biota\Month\Site	Upstream					Seawon bridge					Yeoui bridge
	3	7	9	11	Species	3	7	9	11	Species	3	7	9	11	Species
Species number	14	20	21	18	32	12	12	14	15	26	7	15	9	9	21
Population/m2	324	303	212	134	973	188	256	258	224	926	136	133	109	178	556