Table S1 Additional information on the four watersheds studied (). Adapted from Cho et al., 2014. River Length of Number Total Watershed Daily discharge of main of stream area (km2) population wastewater stream tributaries length (kg/day) (km) (km) Nakdong 470.0 1,185 9,637.6 31,785.0 14,431,507 1,363,452.72 Yeongsan 117.7 576 3,540.4 12,833.4 3,800,240 235,607.66 Geum 393.1 876 6,134.9 17,537.0 5,721,207 692,017.98 Han 560.0 912 8,567.7 41,957.0 23,404,251 1,089,801.92 Table S2 Geographic coordinates and brief notes on some qualitative characteristics of the 16 study sites. River Sites Abb. GPS Characteristics basins locations Nakdong Ayang1 N1 N 35°53′20″ had a bad E smell with high 128°381′18.4″ amount of suspended matters which mainly come from the sewage treatment plant that is located in close proximity. Study area
Table S1 Additional information on the four watersheds studied (). Adapted from Cho et al., 2014. River Length of main stream (km) Number of tributaries Total stream length (km) Watershed area (km2) population Daily discharge of wastewater (kg/day) Nakdong 470.0 1,185 9,637.6 31,785.0 14,431,507 1,363,452.72 Yeongsan 117.7 576 3,540.4 12,833.4 3,800,240 235,607.66 Geum 393.1 876 6,134.9 17,537.0 5,721,207 692,017.98 Han 560.0 912 8,567.7 41,957.0 23,404,251 1,089,801.92 Table S2 Geographic coordinates and brief notes on some qualitative characteristics of the 16 study sites. River basins Sites Abb. GPS locations Characteristics Nakdong Ayang1 N1 N 35°53′20″ E 128°381′18.4″ had a bad smell with high amount of suspended matters which mainly come from the sewage treatment plant that is located in close proximity. Study area
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