从难觅踪影到频频现身 “微笑天使”江豚见证母亲河生态复苏

Core Insights - The population of the Yangtze River dolphin, a flagship species of the Yangtze River, is showing a stable growth trend, indicating improvements in the ecological health of the river [1][8][18] Group 1: Ecological Recovery - The Yangtze River dolphin, once elusive, is now frequently spotted, reflecting the ecological recovery of the river [2][4] - The number of dolphins has reportedly increased by two to three times, with sightings of mother-calf pairs becoming more common [8][10] - The implementation of a ten-year fishing ban since 2021 has led to improved water quality and increased food availability for the dolphins [11][18] Group 2: Monitoring and Protection Efforts - Advanced monitoring systems, such as the "listening dolphin" technology, have been installed to track dolphin movements and minimize disturbances from construction activities [12][14][16] - The establishment of a comprehensive monitoring network has enabled real-time tracking of dolphin activities, contributing to their protection [18][19] - The Yangtze River dolphin population in the Tongling area has grown from 40 in 2006 to 60 currently, marking a 50% increase [18] Group 3: Ecotourism Development - The ecological improvements have sparked a rise in ecotourism, with areas like the Yangtze River dolphin protection zone becoming popular destinations for photographers and tourists [26][29] - Local economies are benefiting from increased tourism, with restaurants and businesses thriving due to the influx of visitors [31][35] - The transformation of former fishing communities into ecotourism hotspots is evident, as local residents adapt to new employment opportunities [35]