China is a vast country with complex geography and climate. It crosses cold, temperate and tropical zones from north to south. The plateaus and high mountains occupy ever 50% of the land surface. Meanwhile, since the late Tertiary, most regions have not been affected by glaciation, thus the fauna and flora are characterized by having many endemic and relic species. Therefore, it is considered internationally that China is one of the megadiversity countries in the world, where the number of specise, as whole, makes up about one tenth of the total species in the world. The ecosystems types arc very rich. The rapid growth rate of population and economic development are the main cause for the threatenedness of ecosystems.
CHEN LINGZHI. (1993) The Status of Terrestrial Ecosystems in China. Biodiversity Science, 01(增刊), 19-22.
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