Jiangxi, referred to as "Jiangxi" for short, is a provincial administrative region of People's Republic of China (PRC), with Nanchang as its capital. In 733 AD, Emperor Xuanzong of the Tang Dynasty set up a west road in the south of the Yangtze River, which was named Hangshu, also referred to as Ganjiang, the largest river in Hangshu.

Jiangxi is located in the southeast of China, on the south bank of the middle and lower reaches of the Yangtze River, and in East China. It is bounded by east longitude 1 13 34' 36 "- north latitude1828' 58 "-north latitude 24 29' 14 "-30 04'. Total area167,000 square kilometers, permanent population 4622 1 10,000. Jurisdiction 1 1 prefecture-level cities, 26 municipal districts,1/county-level cities and 63 counties.

Jiangxi is the central hinterland of the Yangtze River Delta Economic Zone, the Pearl River Delta Economic Zone and the West Coast Economic Zone. Rich in resources and excellent in ecology. It has Poyang Lake, the largest freshwater lake in China, and is also one of the super-large copper industrial bases in Asia. It has the reputation of "World Tungsten Capital", "Rare Earth Kingdom", "China Copper Capital" and "Hometown of Nonferrous Metals".

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The geographical environment of Jiangxi:

1, landform

The topography of Jiangxi province is dominated by hills and mountains in the south of the Yangtze River. Basins and valleys are widely distributed and slightly plain. Geographically, bounded by Jinjiang-Xinjiang line, it belongs to Jiangnan uplift of Yangtze paraplatform in the north and South China fold system in the south. At the end of Silurian, they were merged by the late Caledonian movement, and then they were reformed by Indosinian movement, Yanshan movement and Himalayan movement for many times, forming a series of northeast-southwest structural belts. A large number of granites invaded the south, and red clastic rocks from Cretaceous to Paleogene were deposited in the basin, with gypsum and rock salt deposits.

2. Climate

The climate belongs to the subtropical warm and humid monsoon climate, and the annual average temperature is about 16.3- 19.5℃, which generally rises from north to south. The annual average temperature in northeastern Jiangxi, mountainous areas in northwestern Jiangxi and Poyang Lake Plain is 16.3- 17.5℃, and that in southern Jiangxi Basin is 19.0- 19.5℃. The summer is long, and the average temperature in July is 28.0-29.8℃ except for the surrounding mountainous areas in the province.

3. Hydrology

Jiangxi province has a high terrain in the south and a low terrain in the north, which is conducive to the convergence of water sources, dense water networks and abundant precipitation. However, the seasonal change of river water volume has a slight impact on shipping. The surface runoff in eastern Jiangxi is greater than that in western Jiangxi, and that in mountainous areas is greater than that in plains. There are more than 2,400 rivers in the province, with a total length of 1.84 million kilometers, except that the marginal parts belong to the Pearl River and Xiangjiang River basins and directly flow into the Yangtze River.

Baidu encyclopedia-Jiangxi