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Table 2 shows that the urbanized area increased by 71 km2 during 1991–2001 and by 119 km2 during 2001–2011; heavy brush and bare land, respectively, increased by 61 km2 and 52 km2 during 2001–2011; however, grassland decreased by 57 km2 from 1991 to 2001 and cultivated land and forest were sharply reduced by 128 km2 and 117 km2 from 2001 to 2011. The area where LUCC reached 191 km2 and 490 km2 during 1991–2001 and 2001–2011, accounting for 8% and 21% of the total study area, respectively.

Table 2

LUCC (in km2)

 Analytical year
Types of land use/cover199120012011
Urban area 2,885 3,085 3,514 
Bare land 1,252 1,575 1,691 
Water surface 181 142 186 
Grassland 2,064 1,436 1,449 
Cultivated land 3,060 3,114 2,820 
Heavy brush 2,738 3,354 3,039 
Forest 7,174 6,648 6,655 
 Analytical year
Types of land use/cover199120012011
Urban area 2,885 3,085 3,514 
Bare land 1,252 1,575 1,691 
Water surface 181 142 186 
Grassland 2,064 1,436 1,449 
Cultivated land 3,060 3,114 2,820 
Heavy brush 2,738 3,354 3,039 
Forest 7,174 6,648 6,655 

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