印度根据“海豚项目”开始全国海豚调查,以更新人口和生境数据。 India begins nationwide dolphin survey under Project Dolphin to update population and habitat data.

印度根据多尔芬项目发起了第二次全国河流和河口海豚调查,从北方邦比雅诺开始。 India has launched its second nationwide survey of riverine and estuarine dolphins under Project Dolphin, beginning in Bijnor, Uttar Pradesh. 由印度野生生物研究所与各邦森林部门和养护团体协调,努力利用水听器和标准化的野外方法评估江加、印度河、布拉马普特拉和沿海地区的海豚种群,包括伊洛瓦底海豚的新区域。 Coordinated by the Wildlife Institute of India with state forest departments and conservation groups, the effort uses hydrophones and standardized field methods to assess dolphin populations across the Ganga, Indus, Brahmaputra, and coastal regions, including new areas for the Irrawaddy dolphin. 调查以2021-23年估计的6 327只江河海豚为基础,旨在更新关于物种分布、生境条件以及污染和采沙等威胁的数据,支持基于科学的保护规划。 The survey builds on the 2021–23 estimate of 6,327 riverine dolphins and aims to update data on species distribution, habitat conditions, and threats like pollution and sand mining, supporting science-based conservation planning.