Table 2. Area and proportion of land use during 1990–2010.

Land Use	1990		2000		2010
	Area/km2	Rate/%	Area/km2	Rate/%	Area/km2	Rate/%
Forest	758.32	50.72	754.31	50.41	822.47	54.96
Grass	247.32	16.54	239.77	16.02	417.36	27.89
Dry Farmland	275.72	18.44	270.31	18.06	137.62	9.20
Paddy Field	203.54	13.61	220.26	14.72	107.53	7.19
Water	7.89	0.53	8.04	0.54	7.05	0.47
Building Lot	2.42	0.16	3.76	0.25	4.45	0.30