Biodiversity In China
Before starting discussing biodiversity of China, the term ‘biodiversity’ needs to be defined.
Biodiversity is variety and variability of all life forms and the ecosystems that they live in, including terrestrial, marine and other aquatic ecosystems, from which form ecological complexes together. Biodiversity includes mainly three levels of organizations, which are genes, species and ecosystem levels. Those components interact with each other and with their environment. The value of biodiversity can indicate species richness among a region and the wealth of biological resources.
The traits of biodiversity in China
Biodiversity of China has its uniqueness and richness, and China ranks the 8th among the 12 mega-biodiversity countries in the
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Species diversity can indicate genetic diversity. One thing to mention is that China’s germplasm resources of crops are very rich. There are 1339 species of cultivated crops in China, and 1930 wild original relative species, which have been preserved until today. The number of fruit trees species is among the first in the world. The reason is because Chinese has been cultivating plants and domesticating animals since more than seven thousand years ago. Since the origin of agriculture of the far east is located in China, many agricultural crops, such as rice, buckwheat and millet were originated in …show more content…
The forest area present in China is small and fragmented, and only accounts for only 4% of the total forest area in the world. The coverage rate is only 13.92%, which is half of the world average forest cover. In the three largest coniferous forest areas in China, 70% of natural forests have been cut down, and there are few species of broad-leaved forests left. This cost drastic change of the habitat. For species that have adapted to environment covered by broad-leaved trees, such as mosses and ferns, they don’t have a suitable environment anymore and they are unable to survive. For advanced species, they rely on mosses and ferns for food. Losing food causes their death. And as living organisms are disappearing, the ecosystem is degrading because without organisms, an ecosystem can’t function well. Eventually, the ecosystem will be lost. Human being’s huge demand for wood is one of the reasons for forest
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