The communique indicates that in 2023, resource density in the main stream increased by 16.7 percent year-on-year, while resource volume in major tributaries rose by 64.3 percent. Additionally, the population of China's four major carps – black carp, grass carp, silver carp and bighead carp – in the central Yangtze at Jianli City, Hubei Province, reached 5.98 billion, 4.4 times the amount before the ban.