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应用生态学报 ›› 2016, Vol. 27 ›› Issue (9): 3035-3041.doi: 10.13287/j.1001-9332.201609.010

• 综合评述 • 上一篇    下一篇

高山林线形成机理研究进展

丛毓1, 贺红士1,2*, 谷晓楠1, 徐文茹1, 刘凯1, 宗盛伟1, 杜海波1   

  1. 1东北师范大学地理科学学院, 长春 130024;
    2美国密苏里大学自然资源学院, 哥伦比亚MO 65211
  • 收稿日期:2016-03-17 发布日期:2016-09-18
  • 通讯作者: * E-mail: HeH@missouri.edu
  • 作者简介:丛 毓,女,1986年生,博士研究生. 主要从事植物生理生态学研究. E-mail: congy345@nenu.edu.cn
  • 基金资助:
    中共中央组织部“千人计划”项目、国家自然科学基金项目(41501089)、中国博士后科学基金项目(2015M580241)和中央高校基本科研业务费项目(2412016KJ010)资助

Progresses of alpine treeline formation mechanism.

CONG Yu1, HE Hong-shi1,2*, GU Xiao-nan1, XU Wen-ru1, LIU Kai1, ZONG Sheng-wei1, DU Hai-bo1   

  1. 1School of Geographical Sciences, Northeast Normal University, Changchun 130024, China;
    2School of Natural Resources, University of Missouri, Columbia, MO 65211, USA
  • Received:2016-03-17 Published:2016-09-18
  • Contact: * E-mail: HeH@missouri.edu
  • Supported by:
    This study was supported by the China Global Expert Recruitment Program (the Thousand Talents Plan) of Organization Department of the CPC Central Committee, the National Natural Science Foundation of China (41501089), the China Postdoctoral Science Foundation (2015 M580241), and the Fundamental Research Funds for the Central Universities (2412016KJ010)

摘要: 高山林线是郁闭森林与高山植被之间的分布界限,作为重要的生态过渡带,对全球和区域性气候变化的反应极为敏感,被认为是气候变化的理想监测器.高山林线研究从最初的形态描述到林线成因假说都是为了寻找高山林线形成的原因.迄今出现的高山林线成因假说都能够在局地尺度解释高山林线成因,但仍然缺乏可以普遍解释全球高山林线现象的假说.温度是林线分布的限制因子,低温限制了林线树种的生存及生长,但是低温影响了哪一个生化过程仍不明确,其影响机理还需进一步探讨.本文对高山林线形成机理,特别是对低温对高山林线植物光合特性、养分特征、非结构性碳水化合物和抗氧化系统的影响等研究进展进行综述,并提出了未来林线研究应该关注的问题.

Abstract: Alpine treelines represent one of the most distinct vegetation boundaries between canopy closed montane forest and treeless alpine vegetation. This transitional ecotone is highly sensitive to global and regional climate change and is considered as an ideal indicator of such changes. Treeline studies have evolved from morphological description to various hypotheses of treeline formation. Although individual hypothesis may provide reasonable explanation locally, a generalized hypothesis that is applicable on the global scale is still lacking. Temperature is considered the limited factor controlling the distribution of alpine treeline as low temperature restricts biochemical processes of tree growth. However, which particular biochemical processes are affected by low temperature remains unknown. This paper summarized the mechanisms of treeline formation with a focus on how low temperature affects photosynthesis characteristics, nutrient characteristics, non-structural carbohydrate (NSC) and antioxidant system. We also reviewed the key issues and future perspectives in treeline research.