Geography of China
Geography of China
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Geography of China

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Geography of China

China has great physical diversity. The eastern plain and southern coasts of the country consist of fertile lowlands and foothills. They are the location of most of China's agricultural output and human population. The southern areas of the country (south of the Yangtze River) consist of hilly and mountainous terrain. The west and north of the country are dominated by sunken basins (such as the Gobi and the Taklamakan), rolling plateaus, and towering massifs. It contains part of the highest tableland on earth, the Tibetan Plateau, and has much lower agricultural potential and population.

Traditionally, the Chinese population centered on the Chinese Central Plain, developing as a country whose center lay in the middle and lower reaches of the Yellow River on the northern plains. More recently, the 18,000 km (11,000 mi) coastline has been used extensively for export-oriented trade, causing the coastal provinces to become the leading economic center.

The People's Republic of China has an area of about 9,600,000 km2 (3,700,000 sq mi). The exact land area is sometimes challenged by border disputes, most notably about Taiwan, Aksai Chin, the Trans-Karakoram Tract, and South Tibet. The area of the People's Republic of China is 9,596,960 km2 (3,705,410 sq mi) according to the CIA's The World Factbook. The People's Republic of China is either the third or fourth-largest country in the world, being either slightly larger or slightly smaller than the United States, depending on how the area of the United States is measured. Both countries are smaller than Russia and Canada and larger than Brazil.

The topography of China has been divided by the Chinese government into five homogeneous physical macro-regions, namely Eastern China (subdivided into the northeast plain, north plain, and southern hills), Xinjiang-Mongolia, and the Tibetan highlands. It is diverse with snow-capped mountains, deep river valleys, broad basins, high plateaus, rolling plains, terraced hills, sandy dunes with many other geographic features and other landforms present in myriad variations. In general, the land is high in the west and descends to the east coast. Mountains (33 percent), plateaus (26 percent), and hills (10 percent) account for nearly 70 percent of the country's land surface. Most of the country's arable land and population are based in lowland plains (12 percent) and basins (19 percent), though some of the greatest basins are filled with deserts. The country's rugged terrain presents problems for the construction of overland transportation infrastructure and requires extensive terracing to sustain agriculture, but is conducive to the development of forestry, mineral and hydropower resources, as well as tourism in the country.

Northeast of Shanhaiguan a narrow sliver of flat coastal land opens up into the vast Northeast China Plain. The plains extend north to the crown of the "Chinese rooster", near where the Greater and Lesser Hinggan ranges converge. The Changbai Mountains to the east divide China from the Korean peninsula.

The Taihang Mountains form the western side of the triangular North China Plain. The other two sides are the Pacific coast to the east and the Yangtze River to the southwest. The vertices of this triangle are Beijing to the north, Shanghai to the southeast, and Yichang to the southwest. This alluvial plain, fed by the Yellow and Yangtze Rivers, is one of the most heavily populated regions of China. The only mountains in the plain are the Taishan in Shandong and Dabie Mountains of Anhui.

Beijing, at the north tip of the North China Plain, is shielded by the intersection of the Taihang and Yan Mountains. Further north are the drier grasslands of the Inner Mongolian Plateau, traditionally home to pastoralists. To the south are agricultural regions, traditionally home to sedentary populations. The Great Wall of China was built across the mountains that mark the southern edge of the Inner Mongolian Plateau. The Ming-era walls run over 2,000 km (1,200 mi) east to west from Shanhaiguan on the Bohai coast to the Hexi Corridor in Gansu.

East of the Tibetan Plateau, deeply folded mountains fan out toward the Sichuan Basin, which is ringed by mountains with 1,000–3,000 m elevation. The floor of the basin has an average elevation of 500 m and is home to one of the most densely farmed and populated regions of China. The Sichuan Basin is capped in the north by the eastward continuation of the Kunlun range, the Qinling, and the Dabashan. The Qinling and Dabashan ranges form a major north–south divide across China Proper, the traditional core area of China. Southeast of the Tibetan Plateau and south of the Sichuan Basin is the Yunnan-Guizhou Plateau, which occupies much of southwest China. This plateau, with an average elevation of 2,000 m, is known for its limestone karst landscape.

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