青藏高原植被结构变化反映环境变迁

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 Yanfen Wang;Kai Xue;Ronghai Hu;Boyang Ding;Hong Zeng;Ruijin Li;Bin Xu;Zhe Pang;Xiaoning Song;Congjia Li;Jianqing Du;Xiuchun Yang;Zelin Zhang;Yanbin Hao;Xiaoyong Cui;Ke Guo;Qingzhu Gao;Yangjian Zhang;Juntao Zhu;Jian Sun;Yaoming Li;Lili Jiang;Huakun Zhou;Caiyun Luo;Zhenhua Zhang;Qingbo Gao;Shilong Chen;Baoming Ji;Xingliang Xu;Huai Chen;Qi Li;Liang Zhao;Shixiao Xu;Yali Liu;Linyong Hu;Jianshuang Wu;Qien Yang;Shikui Dong;Jinsheng He;Xinquan Zhao;Shiping Wang;Shilong Piao;Guirui Yu;Bojie Fu

作者机构：College of Resources and EnvironmentUniversity of Chinese Academy of SciencesBeijing 100049China Beijing Yanshan Earth Critical Zone National Research StationUniversity of Chinese Academy of SciencesBeijing 101408China State Key Laboratory of Tibetan Plateau Earth SystemEnvironment and ResourcesInstitute of Tibetan Plateau ResearchChinese Academy of SciencesBeijing 100101China State Key Laboratory of Plateau Ecology and AgricultureQinghai UniversityXining 810016China Key Laboratory of Adaptation and Evolution of Plateau BiotaNorthwest Institute of Plateau BiologyChinese Academy of SciencesXining 810001China Binzhou Institute of TechnologyWeiqiao-UCAS Science and Technology ParkBinzhou 256606China College of Mining EngineeringNorth China University of Science and TechnologyTangshan 063210China Key Laboratory of Agri-InformaticsMinistry of Agriculture and Rural AffairsInstitute of Agricultural Resources and Regional PlanningChinese Academy of Agricultural SciencesBeijing 100081China College of Life SciencesUniversity of Chinese Academy of SciencesBeijing 100049China School of Grassland ScienceBeijing Forestry UniversityBeijing 100083China State Key Laboratory of Vegetation and Environmental ChangeInstitute of BotanyChinese Academy of SciencesBeijing 100093China Institute of Environment and Sustainable Development in AgricultureChinese Academy of Agricultural SciencesBeijing 100081China Key Laboratory for Agro-Environment&Climate ChangeMinistry of AgricultureBeijing 100081China Key Laboratory of Ecosystem Network Observation and ModelingInstitute of Geographic Sciences and Natural Resources ResearchChinese Academy of SciencesBeijing 100101China Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization&Ecological Restoration Biodiversity Conservation Key Laboratory of Sichuan ProvinceChengdu Institute of BiologyChinese Academy of SciencesChengdu 610041China Zoige Peatland and Global Change Research StationChinese Academy of SciencesHongyuan 624400China Department of GeographyGeography and Geology FacultyAlexandru Ioan Cuza University of IaşiIaşi 700505-RORomania Qinghai Key Laboratory of Animal Ecological GenomicsNorthwest Institute of Plateau BiologyChinese Academy of SciencesXining 810001China Institute of EcologyCollege of Urban and Environmental SciencesKey Laboratory for Earth Surface Processes of Ministry of EducationPeking UniversityBeijing 100871China State Key Laboratory of Grassland Agro-ecosystemsCollege of Pastoral Agriculture Science and TechnologyLanzhou UniversityLanzhou 730020China Sino-French Institute for Earth System ScienceCollege of Urban and Environmental SciencesPeking UniversityBeijing 100871China State Key Laboratory of Urban and Regional EcologyResearch Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China 

出 版 物：《Science Bulletin》 (科学通报（英文版）)

年 卷 期：2023年第68卷第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 

主　　题：高寒草地 植被结构 草地植被 多源遥感数据 深度学习 植物群落结构 区域尺度 高寒草原 

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.