Core Viewpoint - The 2025 China Water Conservancy Academic Conference was held in Nanjing, Jiangsu, focusing on promoting high-quality water conservancy development to ensure national water security [1] Group 1: Conference Overview - The conference centered on the "14th Five-Year Plan" for water conservancy development [1] - It included a main venue and 25 sub-venues, featuring 267 specialized academic reports [1] Group 2: Key Topics Discussed - Discussions covered the construction of a digital twin water conservancy system [1] - Topics included flood and drought disaster prevention, ecological protection and governance of rivers and lakes, and the intensive and economical use of water resources [1] - Future water science and large-scale water models were also key areas of focus [1]

Core Viewpoint - Yunnan Province has signed its first inter-provincial water rights trading framework agreement, allowing for an annual trading volume of 4 million cubic meters over a 10-year period, aimed at addressing water scarcity in agricultural development [1] Group 1: Water Rights Trading - The agreement was signed between the Water Affairs Bureau of Yuanmou County, Yunnan, and the Water Resources Bureau of Huili City, Sichuan, at the China Water Rights Exchange headquarters in Beijing [1] - This transaction represents a significant step in the development of water rights trading in China, particularly in regions facing water scarcity [1] Group 2: Agricultural Development - Yuanmou County is a key area for the production of "Southern Vegetables Northern Transport" and "Early Winter Vegetables," which is crucial for agricultural output [1] - The county has implemented comprehensive reforms in agricultural water pricing and modern irrigation systems, achieving an annual surplus of over 6 million cubic meters of water [1] Group 3: Efficient Water Use - The successful signing of this agreement is expected to provide a replicable model for water resource conservation and inter-provincial water rights trading, benefiting both Yunnan and Sichuan [1] - The county has been promoting efficient water-saving technologies such as drip irrigation and micro-spray irrigation, contributing to significant improvements in water resource utilization [1]