Tab.1 lake center and river water quality statistics,,,,,,,
site,Water quality index,samples,Minimum,Maximum,average,Standard deviation (mg/L),variance (mg/L)
,,,(mg/L),(mg/L),(mg/L),,
River entering lake,COD,45,1.1,100.17,20.76,20.67,426.87
,TP,45,0.025,2.54,0.32,0.43,0.19
,TN,45,0.322,32.91,7.75,7.18,51.49
Lake center,COD,5,1.03,1.44,1.206,0.195,0.038
,TP,5,0.001,0.007,0.004,0.002,8.00E-06
,TN,5,0.155,0.177,0.166,0.009,8.00E-05
,,,,,,,