systems (Yongsan River drainage system (St. 1-7) and SeomjinRiver drainage system (St. 8)). ... The Youngsan Riversystem was further divided into the uppermost (St. 1, 2, 4, 6, and 7) and the upper-middle ... based on species composition and abundance showed the clear division of the fish community into two river
The β-diversity was
no difference among water system of Seomjinriver, Han river, Nakdong river and Geum ... The upper-river valley(0.36)
was higher than lower-river valley(0.23) in each water system(p level ... Dominant plant species turned 6 time in upper-river and
turned about 5 time in lower-river.