欧阳志云,孔令桥,黄斌斌,徐卫华,傅伯杰*.科技支撑西部生态系统保护修复，保障国家生态安全[J].中国科学院院刊,2025,40(6):991-999.

科技支撑西部生态系统保护修复，保障国家生态安全

Science and technology support ecosystem protection and restoration in western China to ensure ecological security of the country

欧阳志云
中国科学院生态环境研究中心 区域与城市生态安全全国重点实验室 北京 100085
OUYANG Zhiyun
State Key Laboratory of Regional and Urban Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
孔令桥
中国科学院生态环境研究中心 区域与城市生态安全全国重点实验室 北京 100085
KONG Lingqiao
State Key Laboratory of Regional and Urban Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
黄斌斌
中国科学院生态环境研究中心 区域与城市生态安全全国重点实验室 北京 100085
HUANG Binbin
State Key Laboratory of Regional and Urban Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
徐卫华
中国科学院生态环境研究中心 区域与城市生态安全全国重点实验室 北京 100085
XU Weihua
State Key Laboratory of Regional and Urban Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
傅伯杰*
中国科学院生态环境研究中心 区域与城市生态安全全国重点实验室 北京 100085
FU Bojie*
State Key Laboratory of Regional and Urban Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China

         中国西部;生态系统;保护修复;生态安全;科技支撑

        western China;ecosystem;protection and restoration;ecological security;science and technology support

        我国西部发育了地球独具特征的生态系统及其组合，既是我国生态产品主要提供区和生态安全屏障的主体，还因为生态脆弱是我国生态保护修复的主战场。近年来西部实施了一系列重大生态系统保护修复工程，并取得了显著成效，但其生态系统的稳定性和可持续性仍面临较大问题，区域生态安全面临挑战。文章分析了西部作为我国生态安全屏障的重要地位，阐明了生态系统特征与变化、生态保护与修复的进展与成效；并在此基础上，分析了西部生态系统保护修复面临的问题和挑战，研判生态系统保护修复的发展态势，提出新时期科技支撑西部生态系统保护修复的使命和重点任务，以期为西部生态屏障建设提供科技支撑。

        The western China has developed the Earth’s unique ecosystems, which is not only the main provider of ecosystem products and the important barrier of ecological security in China, but also the key area of ecosystem protection and restoration because of its ecological fragility. In recent years, a series of the major protection and restoration projects of ecosystems have been implemented, and have achieved remarkable progress in western China. Nevertheless, due to its ecosystem instability and unsustainability, ecological security is still facing severe challenges in western China. This study first analyzes the crucial roles of the western region as an ecological security barrier in China, elucidates the characteristics and changes of its ecosystems, and assesses the progress of ecosystem protection and restoration. Then, the challenges and the trends are analyzed and the key tasks are proposed of science and technology development for ecosystem protection and restoration in the new era, which is expected to provide scientific and technological support for the ecological barrier building in the western China.