青藏高原植被结构变化反映环境变迁（英文）

作     者：王艳芬 薛凯 胡容海 丁柏阳 曾弘 李瑞津 徐斌 庞哲 宋小宁 李聪佳 杜剑卿 杨秀春 张泽林 郝彦宾 崔骁勇 郭柯 高清竹 张扬建 朱军涛 孙建 李耀明 姜丽丽 周华坤 罗彩云 张振华 高庆波 陈世龙 纪宝明 徐兴良 陈槐 李奇 赵亮 徐世晓 刘雅莉 胡林勇 武建双 杨其恩 董世魁 贺金生 赵新全 汪诗平 朴世龙 于贵瑞 傅伯杰 

作者机构：School of Grassland Science Beijing Forestry University State Key Laboratory of Vegetation and Environmental Change Institute of Botany Chinese Academy of Sciences Institute of Environment and Sustainable Development in Agriculture Chinese Academy of Agricultural Sciences Key Laboratory for Agro-Environment & Climate Change Ministry of Agriculture Key Laboratory of Ecosystem Network Observation and Modeling Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration Biodiversity Conservation Key Laboratory of Sichuan Province Chengdu Institute of Biology Chinese Academy of Sciences Zoige Peatland and Global Change Research Station Chinese Academy of Sciences Department of Geography Geography and Geology Faculty Alexandru Ioan Cuza University of Ia?i Qinghai Key Laboratory of Animal Ecological Genomics Northwest Institute of Plateau Biology Chinese Academy of Sciences Institute of Ecology College of Urban and Environmental Sciences Key Laboratory for Earth Surface Processes of Ministry of Education Peking University College of Resources and Environment University of Chinese Academy of Sciences State Key Laboratory of Grassland Agro-ecosystems College of Pastoral Agriculture Science and Technology Lanzhou University Sino-French Institute for Earth System Science College of Urban and Environmental Sciences Peking University State Key Laboratory of Urban and Regional Ecology Research Center for Eco-Environmental Sciences Chinese Academy of Sciences Beijing Yanshan Earth Critical Zone National Research Station University of Chinese Academy of Sciences State Key Laboratory of Tibetan Plateau Earth System Environment and Resources Institute of Tibetan Plateau Research Chinese Academy of Sciences State Key Laboratory of Plateau Ecology and Agriculture Qinghai University Key Laboratory of Adaptation and Evolution of Plateau Biota Northwest Institute of Plateau Biology Chinese Academy of Sciences Binzhou Institute of Technology Weiqiao-UCAS Science and Technology Park College of Mining Engineering North China University of Science and Technology Key Laboratory of Agri-Informatics Ministry of Agriculture and Rural Affairs Institute of Agricultural Resources and Regional Planning Chinese Academy of Agricultural Sciences College of Life Sciences University of Chinese Academy of Sciences 

出 版 物：《Science Bulletin》 (科学通报(英文版))

年 卷 期：2023年第17期

页      面：1928-1937页

核心收录：

学科分类：07[理学] 0713[理学-生态学] 

基　　金：supported by the Second Tibetan Plateau Scientific Expedition and Research Program (2019QZKK0304-02) Joint Chinese Academy of Sciences (CAS)-Max Planck Society (MPG)Research Project (HZXM20225001MI) the Strategic Priority Research Program A of Chinese Academy of Sciences (XDA20050104) the National Natural Science Foundation of China (42041005) CAS Light of West China Program the Fundamental Research Funds for the Central Universities 

摘      要：草地植被结构对于其生产和生态功能至关重要,但大尺度信息严重匮乏.本研究结合多源遥感数据和深度学习,在区域尺度上厘清了青藏高原高寒草地基于群系的植物群落结构空间格局,并比较了其历史变化.过去40年,高寒草甸在高寒草地中的比例从50%上升到69%,反映了变暖变湿的环境变化.此外,高寒草甸和高寒草原中高山嵩草草甸和紫花针茅草原的优势度分别增强到76%和92%.其中,气候因子驱动了紫花针茅草原近些年的分布;高山嵩草草甸近些年的分布则并非完全由气候驱动,人类活动可能起重要作用.本研究首次探索了区域尺度植被结构特征与历史变化,为认识青藏高原草地变化的驱动力及其空间异质性提供了新视角.