Tab. 4 Relationship model between water quality of entering lake river and LULC type at sub-basin scale,,,,,
Scale,Water quality index,Regression equation,R2,Adjusted,Sig.
,,,,R2,
Urban basin,COD,COD=99.199-1.733FarmL,0.988,0.984,0.001
,TP,Variable removed,-,-,-
,TN,Variable removed,-,-,-
phosphate mine basin,COD,COD=-19.68+12.27OthL,0.719,0.684,0.002
,TP,TP=-0.44+0.089ISA+0.061OthL,0.95,0.936,0
,TN,Variable removed,-,-,-
Village and farmland basin,COD,Variable removed,-,-,-
,TP,TP=2.525-0.104FarmL,0.912,0.883,0.11
,TN,TN=78.632-3.171FarmL,0.973,0.964,0.02
Whole basin,COD,COD=0.857+0.901 OthL,0.811,0.749,0.037
,TP,TP=-0.057+0.941 FarmL,0.886,0.848,0.017
,TN,Variable removed,-,-,-