[1]朱万泽,冉 飞,李迈和,等.贡嘎山高山林线动态与生理形成机制[J].山地学报,2017,(05):622-628.[doi:10.16089/j.cnki.1008-2786.000260]
 ZHU Wanze,RAN Fei,LI Maihe,et al.Alpine Timberline Dynamics and Physiological Mechanisms of the Timberline Formation on the Mt.Gongga[J].Mountain Research,2017,(05):622-628.[doi:10.16089/j.cnki.1008-2786.000260]





Alpine Timberline Dynamics and Physiological Mechanisms of the Timberline Formation on the Mt.Gongga
朱万泽1冉 飞1李迈和2王文志1贾 敏1 3
1.中国科学院水利部成都山地灾害与环境研究所,四川 成都 610041;
ZHU Wanze1 RAN Fei1 LI Maihe3 WANG Wenzhi1 JIA Min1 2
1.Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China;
2.University of Chinese Academy of Sciences, Beijing 100049,China;
3.Swiss Federal Research Institute WSL, Zuercherstrasse 111, CH-8903 Birmensdorf, Switzerland
高山林线动态 非结构碳水化合物 碳限制 全球变化 贡嘎山
作为典型的生态交错带,高山林线因其特殊的结构、功能及对气候变化的高度敏感性,已成为全球气候变化研究的热点之一。本文分析了贡嘎山高山林线动态,林线峨眉冷杉径向生长与气候变化的关系; 基于贡嘎山地区现有的峨眉冷杉、川西云杉、川滇高山栎3个林线树种非结构碳水化合物(NSC)测定,探讨了贡嘎山高山林线形成生理机制,贡嘎山地区林线树木可能遭受冬季碳限制,“碳源与碳汇”的平衡关系影响高山林线的位置与分布,生长在高山恶劣环境条件下林线树种的发育和幸存,不仅依赖于最小需求的NSC浓度,而且要求冬季高于3的可溶性糖:淀粉比率,以成功越冬和维持其正碳平衡; 指出了今后应重点关注气候变化背景下区域尺度高山林线动态长期观测与模拟、高山林线树木对极端环境的生理生态适应机制、高山林线森林植被碳源-汇关系的长期监测等研究。


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收稿日期(Received date): 2017-06-22; 改回日期(Accepted date): 2017-09-25
基金项目(Foundation item):国家重点研发计划课题(2017YFC0505104); 中国科学院成都山地所“135方向性项目(SDS-135-1707)”[National Key R&D Program of China(2017YFC0505104); the 135 Strategic Program of Institute of Mountain Hazards and Environment, CAS(SDS-135-1707)]
作者简介(Biography):朱万泽( 1965-),男,研究员,四川大竹人,主要从事森林生态研究[Zhu Wanze(1965-),male,Proffessor,born in Dazhu, Sichuan Province,research on forest ecology]E-mail: wzzhu@imde.ac.cn,Tel: 028-85238814
更新日期/Last Update: 2017-09-30