Core Insights - The overall recovery of aquatic biological resources in the Yangtze River Basin is positive, with an increase in integrity index and species diversity [1][2][5] Group 1: Aquatic Biological Resources - In 2024, the resource amount in the main stream of the Yangtze River is 2.3 kg per unit, a 9.5% increase from 2023 [1] - A total of 344 indigenous fish species have been monitored from 2021 to 2024, an increase of 36 species compared to the pre-fishing ban period (2017-2020) [1] - The overall water quality evaluation in the Yangtze River is rated as excellent, with 98.6% of monitoring sections classified as grade I-III, a 0.1 percentage point increase from 2023 [1] Group 2: Key Protected Species - The distribution of the Yangtze River dolphin is expanding, and the number of key protected species is increasing, including the first natural reproduction of the rosy bitterling in 30 years [1][2] - The resource amount of the four major economic fish species (Qing fish, grass fish, silver carp, and bighead carp) in the middle reaches of the Yangtze River is 6.2 times that of 2020 [1] - The implementation of a comprehensive fishing ban since 2017 has led to a steady increase in biodiversity and resource quantity in the Chishui River, with 117 indigenous fish species monitored from 2021 to 2024 [2] Group 3: Conservation Efforts - The Ministry of Agriculture and Rural Affairs has guided the establishment of breeding facilities for indigenous fish species, releasing 6.63 million rare indigenous fish in the Chishui River basin during the 14th Five-Year Plan period [2] - The Yangtze sturgeon has been successfully monitored for natural spawning behavior, indicating progress in species recovery efforts [2][5] - Continuous efforts are needed to enhance the protection of rare and endangered species, including the expansion of artificial breeding and release programs for the Chinese sturgeon [6]
长江流域水生生物资源恢复态势总体向好（美丽中国） 物种多样性水平稳步回升，珍稀濒危物种保护仍需加强
Ren Min Ri Bao·2025-08-04 21:59