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长江流域珍稀水生物种保护
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长江流域珍稀水生物种保护取得新进展
Yang Shi Wang· 2025-07-31 23:54
Core Points - The Yangtze River's ten-year fishing ban has reached a critical mid-term stage, showing significant results in the protection of rare aquatic species and the overall recovery of fish resources supported by technological advancements such as artificial breeding and intelligent monitoring [1][2] - The population of the Yangtze River dolphin, known as the "panda of the water," has improved, with ultrasound monitoring of pregnancy and a population increase from 1,049 in 2017 to 1,249 in 2022 [1] - The biodiversity of indigenous fish species in the Yangtze River has increased, with 344 species monitored from 2021 to 2024, up by 36 species compared to the period before the fishing ban [2] Group 1 - The Yangtze River's ten-year fishing ban has led to significant recovery of fish resources and a halt in the trend of smaller fish species [2] - The Yangtze River dolphin's population has been monitored with advanced imaging techniques, leading to successful pregnancy monitoring and a growing population [1] - The number of rare fish species in the Chishui River has increased from 7 to 9, with successful breeding experiments for the Yangtze sturgeon [1] Group 2 - The establishment of a real-time monitoring platform for aquatic mammals has enhanced the protection system for the Yangtze River dolphin [1] - The successful return of previously extinct fish species in the Chishui River highlights the positive impact of the fishing ban [1] - The ongoing monitoring of fish populations every five years ensures continued assessment of the recovery efforts [1]