近日，在渤海湾畔的天津市北大港湿地自然保护区，草木葱茏，水面在阳光的照耀下波光粼粼，群鸟或 啄食或翔集，满眼生机。孙洪义和同事正在操控无人机巡查。 "现在巡护都配备了无人机，不易靠近和隐蔽的地方，通过无人机都能一览无余。"作为北大港湿地自然 保护区管理中心野生动植物资源保护科科长，孙洪义对科技巡护手段了然于心，结束无人机巡查后，他 又拿出巡护终端对记者说："点开'智慧保护区'App可自动定位，记录行程与动物资源，方便数据采集分 析。" 不仅如此，为了适应"鸟中国宝"东方白鹳的筑巢习性，北大港湿地自然保护区内已修建22个15米高的人 工鸟巢，并搭配了监控设备，监测、研究东方白鹳繁殖活动。 这是2025年2月26日在天津七里海湿地自然保护区拍摄的候鸟。新华社记者孙凡越 摄 北大港湿地自然保护区管理中心的工作人员正在操控无人机巡查。新华社记者徐思钰 摄 天津是东亚至澳大利西亚候鸟迁徙路线中的重要"中转站"，各湿地自然保护区是候鸟重要的栖息地，每 年过境候鸟集群规模宏大。近年来，天津各湿地保护区借科技之力，织就湿地生态智慧守护网。 位于天津市宁河区的国家级自然保护区七里海湿地，是京津唐三角地带最大的天然湿地。在该湿地 ...

Group 1 - The core viewpoint of the news highlights the proactive measures taken by various provinces in China to prepare for the flood season starting from June 1, emphasizing the importance of disaster prevention and response systems [2][4][9] - In Yunnan, local villagers have cleared over 300 kilometers of dike slopes to ensure safety during the flood season, demonstrating community involvement in flood prevention efforts [1] - The city of Chenzhou has implemented a disaster warning system that utilizes big data and cloud computing, significantly improving the efficiency of disaster alerts by 20 times compared to traditional methods [4] Group 2 - In Jiangxi, a comprehensive inventory of flood prevention materials has been established, with various supplies such as flood-resistant cloth and shovels being adequately stocked at strategic locations [5] - Local governments in Jiangxi and New Yu have formed flood prevention teams to conduct thorough inspections of flood-prone areas, successfully identifying and rectifying 12 potential hazards [7] - The city of Ruichang in Jiangxi is enhancing its flood prevention capabilities through simulation exercises to prepare for significant flood risks in the Yangtze River basin [9][11] Group 3 - The Yellow River basin is also preparing for potential extreme rainfall events, with local authorities in Henan conducting flood drills and ensuring the availability of flood prevention materials [9][11] - New Xiang City has initiated a secondary emergency response to severe flood conditions, involving multiple departments in a coordinated effort to manage flood risks effectively [11] - Advanced technologies such as drones and water rescue robots are being integrated into flood response strategies, showcasing the adoption of innovative solutions for urban flood safety [15]