坡度范围

耕地面积(hm2)

土地面积(km2)

优势(hm2/km2)

≤2˚

1789.20

53.4789

33.46

>2˚, ≤6˚

7524.45

292.0968

25.76

>6˚, ≤15˚

17,218.53

1040.5152

16.55

>15˚, ≤25˚

7813.26

1068.2982

7.31

>25˚

1703.88

1020.9627

1.67

总计

36,049.32

3475.3518

10.37