5.9 million mu. According to official website, Department of Agriculture and Rural Affairs of Jiangxi Province, in 20021year, the grass carp culture area in Jiangxi Province was 5.9 million mu, and the total output of aquatic products was stable at 2.64 million tons, which made the protection effect of aquatic biological resources gratifying. Jiangxi, referred to as Jiangxi for short, is one of the 23 provinces in China, with Nanchang as its capital. Jiangxi is located in the southeast of China, on the south bank of the middle and lower reaches of the Yangtze River, and belongs to East China. Some areas in Jiangxi belong to the economic zone on the west side of the Taiwan Strait. Poyang Lake, the largest freshwater lake in China, is also one of the super-large copper industrial bases in Asia, with the reputation of "World Tungsten Capital", "Rare Earth Kingdom", "China Copper Capital" and "Hometown of Nonferrous Metals".