With a total length of more than 6300 kilometers, the Yangtze River ranks third in the world after the Nile in Africa and the Amazon in South America.
The Yangtze River originates from the "roof of the world" - the southwest of the Geladandong peak in the Tanggula mountains of the Qinghai Tibet Plateau. The main stream flows through 11 provincial administrative regions of Qinghai Province, Tibet Autonomous Region, Sichuan Province, Yunnan Province, Chongqing, Hubei Province, Hunan Province, Jiangxi Province, Anhui Province, Jiangsu Province and Shanghai, and flows into the East China Sea to the east of Chongming Island.
The main stream of the Yangtze River runs through central China from west to East. Hundreds of tributaries converge from north to South and extend to some areas of 8 provinces and autonomous regions, including Guizhou, Gansu, Shaanxi, Henan, Guangxi, Guangdong, Zhejiang and Fujian. The basin covers an area of 1.8 million square kilometers, accounting for about 1 / 5 of China's total land area. Most of the Huaihe River also flows into the Yangtze River through the Grand Canal.
Above Yichang, the main stream of the Yangtze River, is the upstream, with a length of 4504km and a drainage area of 1 million square kilometers, of which zhimenda to Yibin is called Jinsha River, with a length of 3464km. The section from Yibin to Yichang, commonly known as the Chuanjiang River, is 1040km long. Yichang Hukou is the middle reaches, 955km long, with a drainage area of 680000 square kilometers. Below the lake mouth is the downstream, with a length of 938 kilometers and a drainage area of 120000 square kilometers.
From 0:00 on January 1, 2020, the first step of the largest fishing withdrawal and ban action in Chongqing section of the Yangtze River Basin was launched, and the perennial fishing ban was officially implemented in the protected areas of 18 districts and counties and the relevant waters on the two rivers and four banks.