|
|
|
Imperilled Riches
Vanishing Wilderness - A Survey of Human Disturbance of World Ecosystems
(Hannah, L. et. al. 1994)
Hannah et. al. (1994) produced a preliminary inventory of human disturbance of world ecosystems. The charts below
are taken from this inventory.
|
Region/Ecosystem
|
Total Area
|
Undisturbed
|
Partially Disturbed
|
Human Dominated
|
|
|
sq. km
|
%
|
%
|
%
|
|
World Total
|
162,052,591
|
51.9
|
24.2
|
23.9
|
|
World Total*
|
134,904,471
|
27.0
|
36.7
|
36.3
|
|
|
|
|
|
|
|
*adjusted for rock, ice, and barren land
|
|
|
|
|
|
|
|
|
|
|
|
Indo-Malayan
|
8,785,216
|
11.6
|
31.8
|
56.6
|
|
Afrotropical
|
24,473,218
|
35.8
|
45.3
|
18.9
|
|
Neotropical
|
21,550,527
|
59.9
|
22.2
|
17.9
|
|
Australian
|
8,255,821
|
62.1
|
27.8
|
10.1
|
|
Oceanic
|
933,683
|
77.6
|
12.3
|
10.1
|
|
|
|
|
|
|
|
|
|
|
|
|
Afrotropical
|
|
|
|
|
|
Guinean rainforest
|
709,112
|
8.4
|
19.4
|
72.2
|
|
Congo Rainforest
|
2,195,019
|
61.2
|
21.4
|
17.3
|
Indo-Malayan
|
|
|
|
|
|
Southern Chinese rainforest
|
216,650
|
0
|
14.4
|
85.6
|
|
Java
|
153,132
|
0
|
14.9
|
85.1
|
|
Bengali rainforest
|
203,860
|
0
|
19.4
|
80.7
|
|
Philippines
|
315,272
|
3.2
|
9.6
|
87.2
|
|
Ceylon rainforest
|
25,122
|
0
|
27.5
|
72.5
|
|
Lesser Sundas
|
44,565
|
0
|
30.9
|
69.1
|
|
Taiwan
|
412,246
|
0
|
34.5
|
65.5
|
|
Malabar rainforest
|
265,040
|
0
|
38.2
|
61.8
|
|
Burman rainforest
|
216,661
|
0
|
40.5
|
59.5
|
|
Indochinese rainforest
|
565,119
|
3.8
|
25.3
|
71.0
|
|
Malayan rainforest
|
189,183
|
0
|
43.1
|
56.9
|
|
Indus-Ganges monsoon forest
|
1,859,022
|
0.1
|
43.1
|
56.8
|
|
Burma monsoon forest
|
464,612
|
0
|
55.0
|
45.0
|
|
Ceylon monsoon forest
|
47,104
|
0
|
77.3
|
22.7
|
|
Thailand monsoon forest
|
1,152,995
|
18.7
|
14.1
|
67.2
|
|
Sumatra
|
504,435
|
27.1
|
17.5
|
55.5
|
Neotropical
|
|
|
|
|
|
Serra do Mar (Atlantic Forest)
|
223,944
|
6.5
|
4.4
|
69.0
|
|
Greater Antillean
|
113,237
|
11.0
|
12.0
|
77.0
|
|
Yucatecan
|
48,692
|
18.6
|
2.3
|
79.1
|
|
Colombian Montane
|
181,288
|
64.7
|
11.0
|
24.3
|
|
Madieran
|
1,988,840
|
81.5
|
2.1
|
16.4
|
|
Panamanian
|
128,872
|
90.0
|
0
|
10.0
|
|
Guyanan
|
1,090,396
|
94.5
|
2.3
|
3.2
|
|
Amazonian
|
2,864,623
|
98.0
|
0
|
2.0
|
|
Oceanic
|
|
|
|
|
|
New Caledonia
|
23,622
|
0.0
|
100.0
|
0
|
|
Papuan
|
910,061
|
77.0
|
12.6
|
10.3
|
|
|
