"Tab 2. The LULC variation characteristics in different pollution source areas (percentage, %)",,,,,,
LULC types,Scale ,2005,2008,2011,2014,2017
cropping land,phosphate mine basin,35.52,34.86,33.61,31.31,30.65
,urban,52.51,49.2,46.91,45.92,41.3
,Village and farmland basin,26.1,25.77,24.62,24.09,23.53
,Whole basin,23.96,23.48,22.47,21.93,21.63
forestry and grass cover,phosphate mine basin,57.09,57.03,58.08,58.54,56.84
,urban,29.15,29.21,29.95,32.19,31.37
,Village and farmland basin,69.01,68.71,70.1,70.51,69.74
,Whole basin,39.68,39.79,40.34,40.6,39.85
impervious surface area,phosphate mine basin,4.06,4.25,4.93,4.95,5.78
,urban,16.87,20.02,21.66,19.02,19.09
,Village and farmland basin,3.61,4.1,4.41,4.06,4.76
,Whole basin,3.35,3.66,4.13,3.95,4.4
other land,phosphate mine basin,1.75,2.32,2.06,3.73,5.26
,urban,0.2,0.55,0.73,1.61,6.78
,Village and farmland basin,0.1,0.42,0.13,0.26,0.75
,Whole basin,0.48,0.62,0.82,1.19,1.68
water,phosphate mine basin,1.57,1.54,1.33,1.47,1.47
,urban,1.28,1.01,0.75,1.26,1.46
,Village and farmland basin,1.18,1,0.75,1.08,1.21
,Whole basin,32.53,32.45,32.24,32.33,32.44