Soil Diversity as Affected by Land Use in China: Consequences for Soil Protection
Table 3
(a) Soil diversity and rarity, by province, for China based on the 1,000,000 soil map of China [13]. (b) Number of endangered soils caused by cultivation and construction.
(a)
Provincea
Number
Ratio of endangered soil to rare soild
Number/10,000 km2
Order
Map unitsb
Rare plus rare-unique
Endangered
Extinctc
Map units
Rare plus rare-unique
Endangered
Anhui
8
130
12
2
1
0.17
9.28
0.86
0.14
Fujian
6
48
1
0
0
0.00
3.96
0.08
0.00
Gansu
11
157
10
1
0
0.10
3.88
0.25
0.02
Guang-dong
6
68
3
1
0
0.33
3.83
0.17
0.06
Guangxi
6
75
10
2
1
0.20
3.17
0.42
0.08
Guizhou
5
51
1
0
0
0.00
2.90
0.06
0.00
Hainan
6
73
12
3
0
0.25
21.79
3.58
0.90
Hebei
8
235
54
37
6
0.69
10.92
2.51
2.04
Henan
8
168
23
11
5
0.48
10.14
1.39
0.66
Heilong-jiang
9
76
11
2
1
0.18
1.68
0.24
0.04
Hubei
6
96
5
1
0
0.20
5.17
0.27
0.05
Hunan
6
58
1
0
0
0.00
2.74
0.05
0.00
Jilin
9
92
12
6
1
0.50
4.82
0.63
0.31
Jiangsu
8
149
17
3
2
0.18
13.90
1.59
0.28
Jiangxi
5
67
4
0
0
0.00
4.01
0.24
0.00
Liaoning
8
101
9
3
0
0.33
6.97
0.62
0.21
Inner Mongolia
11
207
20
9
0
0.45
1.80
0.17
0.08
Ningxia
10
66
6
0
0
0.00
12.76
1.16
0.00
Qinghai
11
130
26
2
0
0.08
1.81
0.36
0.03
Shandong
7
148
19
14
3
0.74
9.59
1.23
0.91
Shanxi
9
149
27
19
3
0.70
9.51
1.72
1.21
Shaanxi
11
133
11
0
0
0.00
6.46
0.53
0.00
Sichuan
8
114
10
2
0
0.20
2.35
0.21
0.04
Taiwan
6
44
4
1
0
0.25
12.32
1.12
0.28
Tibet
9
106
24
1
0
0.04
0.88
0.20
0.01
Xinjiang
11
218
64
3
0
0.05
1.33
0.39
0.02
Yunnan
9
148
22
1
0
0.05
3.87
0.57
0.03
Zhejiang
7
117
16
3
1
0.19
11.37
1.56
0.29
Chong-qing
5
43
1
0
0
0.00
5.21
0.12
0.00
aSome small administration districts were merged into adjacent provinces. Hong Kong and Macao were merged into Guangdong, Beijing and Tianjin were merged into Hebei, and Shanghai was merged into Jiangsu.
bThe map units are at the great group, subgroup, or family levels.
cThe endangered soils in China and the percentage of their area that has been disturbed by cultivation and construction are given in Table 3(b).
dNumber of endangered soils can be bigger than the rare plus rare-unique soils because some endangered soils are not rare plus rare-unique soils.
(b)
Percent of disturbed area
Cultivation/constructiona
Construction (>20)b
50–60
21
1
60–70
19
0
70–80
13
0
80–90
18
1
90–100
17
4
Total
88
6
aNumber of endangered soils in China with percentage of land (as defined in column 1) devoted to combined cultivation and construction use.
bNumber of endangered soils in China with more than 20% land devoted to construction use.
