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Biodiversity
Author：Source： Editor：Date：2007-09-18 16:39:26Click：
In terms of global species, China ranks 8th in the world and 1st in the north hemisphere. More than half of Chinese species are distributed in Yunnan (see figure below). This makes province as one of the areas with the most complex, most colorful and most valuable biodiversity in China. Due to its complex natural terrain, geography and different climates, is endowed with eco-system diversity, and always recognized as the "Kingdom and Animal".
Biodiversity in Yunnan
|
Taxon |
Identified Species in Yunnan |
Identified Species in China |
Identified Species in world |
Estimated Species in world |
|
Bryophyte |
--- |
2 900 |
23 000 |
--- |
|
Ferns |
1 500 |
2 600 |
10 000 |
12 000 |
|
Gymnosperms |
93 |
200 |
640 |
750 |
|
Angiosperms |
13 000 |
25 000 |
250 000 |
286 000 |
|
Amphibian |
102 |
279 |
4 010 |
--- |
|
Reptile species |
141 |
376 |
63 00 |
--- |
|
Bird species |
793 |
1 186 |
9 040 |
11 000 |
|
Mammal species |
278 |
499 |
4 181 |
5 000 |
|
Fungi |
7 000(estimate at total 150000) |
10000(estimate at total 250000) |
74 079 |
1 500 000 |
The land area of just accounts for four percent of Chinese total land area, however, its eco-system includes and eco-system, and Shrubbery and Grass ( ) eco-system, Sub-tropical eco-system, Sub-alpine Conifer Forest eco-system, Alpine Meadow eco-system, Alpine-lake eco-system, River eco-system and various man-made eco-systems.