Tab. 3 Correlation between LULC type and water quality,,,,,,,, Scale,,Water quality index,,CL,FGL,ISA,Othl,Water ,,,,,,,, Whole basin,,COD,,-0.794,0.272,0.612,0.901*,-0.008 ,,TP,,0.941*,-0.532,0.769,0.933*,-0.327 ,,TN,,-0.444,-0.159,0.722,0.491,-0.228 urban,,COD,,-0.994**,-0.949*,0.975**,0.823,0.255 ,,TP,,-0.473,-0.692,0.405,0.048,-0.558 ,,TN,,-0.187,-0.543,0.174,-0.087,0.106 phosphate mine basin,COD,,0.532,,-0.118,0.62,0.848**,-0.0275 ,TP,,0.924**,,-0.406,0.925**,0.821**,-0.0622 ,TN,,0.477,,0.078,0.538,0.427,-0.0158 Village and farmland basin,COD,,-0.784,,-0.626,0.753,0.774,-0.093 ,TP,,-0.955*,,-0.922*,0.892*,0.81,-0.403 ,TN,,-0.986**,,-0.966**,0.929*,0.797,-0.6