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Journal of Forestry Research

, Volume 11, Issue 3, pp 191–197 | Cite as

Dynamics of the vegetation eco-boundary under climate warming in Northeast China

  • Zou Chun-jing
  • Han Shi-jie
  • Zhou Yu-mei
  • Zhang Jun-hui
  • Wang Chen-rui
Article

Abstract

Based on data from 210 meteorological stations in Northeast China and survey on zonal climax vegetation, the Kira's warmth index (W l), coldness index (C l), and Xu Wenduo's humidity index (H l) were adopted to simulate and predict the dynamics of the vegetation eco-boundary under climate warming in Northeast China. The future vegetation eco-boundary alteration types of zonal climax vegetation could be divided into three types, such as extended vegetation eco-boundary species (W l value range for 45–95°C · month) which would move northwards under climate warming, retreated vegetation eco-boundary species (W l value range for 25–65°C · month) which would retreat from the present localities, and extinct population species (W l value range for 5–35°C · month) which would be extinguished because the ecosystems they depend on disappeared. In Northeast China, there were differences for 15° latitudinal and 2600 m altitudinal. Based on our research results, the edificators would move northwards about 400–700 km, steppe vegetation would move eastwords 900 km, and the populations would move upwards about 260–360 m in mountains if the global temperature increases 2°C in the future. However, the moving distance would become shorter and shorter as the latitude and altitude increased. Therefore, the populations in alpine tundra zone at Daxing'an Mountains and Changbai Mountain might disappear. The results were expected to supply reference to local government when they set down strategies to respond to climate change in the future.

Keywords

Warmth index Humidity index Vegetation Eco-boundary 

CLC number

S718.5 

Document code

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Copyright information

© Editorial Board of Journal of Forestry Research All right reserved 2000

Authors and Affiliations

  • Zou Chun-jing
    • 1
  • Han Shi-jie
    • 1
  • Zhou Yu-mei
    • 1
  • Zhang Jun-hui
    • 1
  • Wang Chen-rui
    • 1
  1. 1.Institute of Applied EcologyChinese Academy of SciencesShenyangP.R. China

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