首次“出海”孟加拉国 中国“科技耳”听见146头恒河豚

Core Viewpoint - The article highlights the successful implementation of China's acoustic monitoring technology for the protection of the endangered Ganges River dolphin in Bangladesh, marking a significant step in international collaboration for wildlife conservation. Group 1: Technology and Implementation - China's real-time acoustic monitoring system, referred to as "technology ear," has been upgraded to automatically identify dolphin sonar signals from complex aquatic noise, with 26 adjustable parameters for environmental adaptation [5][6]. - During the monitoring expedition, nearly 100 dolphin acoustic signals were captured on the first day, leading to a total of 146 signals detected across two rivers [5][6]. Group 2: Research Collaboration - The monitoring project is a joint effort between Jahangirnagar University in Bangladesh and the Chinese Academy of Sciences, focusing on enhancing ecological research of the Ganges River dolphin [5][6]. - The Chinese team not only provided equipment but also shared a comprehensive set of research methods and conservation philosophies with their Bangladeshi counterparts [6]. Group 3: Conservation Outcomes - The monitoring efforts identified multiple key habitats for the Ganges River dolphin, with an estimated population of over 250 dolphins in the surveyed area [6]. - Plans are in place to establish a dedicated sound database for the Ganges River dolphin to improve future monitoring accuracy [6].