Year

1986

2000

2010

Land-use class

Area (Km²)

%

Area (Km²)

%

Area (Km²)

%

Urban

69.77

1.97

75.18

2.12

130.45

3.68

Water

17.24

0.49

11.53

0.33

16.68

0.47

Forest

129.32

3.65

148.96

4.21

211.33

5.97

Open/transition areas

1280.92

36.18

1240.97

35.05

1074.09

30.34

Rangeland

1295.87

36.60

1281.52

36.19

1326.40

37.46

Agriculture

747.63

21.12

782.58

22.10

781.81

22.08

Total

3540.76

100.00

3540.76

100.00

3540.76

100.00

Overall accuracy (%)

92.67

95.30

97.14

Kappa coefficient

0.903

0.942

0.963