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| In 80 years, the line of Salix alpine shrubs on the Qinghai-Tibet Plateau climbed 59. Recently, the Ecosystem Pattern and Process Team of the Institute of Tibetan Plateau Research, Chinese Academy of Sciences, and the School of Biology and Environment, Nanjing Forestry University, found that from 1939 to 2010, climate warming led to an increase in the renewal rate of Salix alpine shrubs on the Qinghai-Tibet Plateau, and their spatial distribution range Expansion, this is one of the factors that promote the greening of the Qinghai-Tibet Plateau Over the past 80 years, the Salix alpine shrub line on the Qinghai-Tibet Plateau has climbed significantly, with a maximum ascent of 59. . According to Liang Eryuan, the corresponding author of the paper and a researcher at the Institute of Tibetan Plateau Research of the Chinese Academy of Sciences, the alpine shrub line refers to the upper limit of the altitude boundary for the distribution of shrubs Such climatic characteristics limit key ecological processes such as shrub growth and regeneration The Qinghai-Tibet Plateau has abundant shrubs such as Sabina, Rhododendron, Berberis, Caragana, Salix, Rosa, Potentilla, Sophora, Honeysuckle, Seabuckthorn, Lycium, Spiraea, etc. . Based on the data of continuous field surgery examinations in the past 5 years, the research team found that the mountain willow is the most typical deciduous shrub that can form the alpine shrub line, with an altitude of up to 4960 meters . The first author of the paper, Associate Professor Wang Yafeng, School of Biology and Environment, Nanjing Forestry University, introduced that the research team established 24 mountain willow-shrub line plots along a latitude gradient of nearly 900 kilometers in the eastern part of the Qinghai-Tibet Plateau, and obtained coordinates, plant heights, Base diameter, crown width, age and habitat conditions and other parameters .
Figure 1 The spatial distribution map of the mountain willow-shrub line plot on the Qinghai-Tibet Plateau ( photo courtesy of the research team) (Photo courtesy of the research group)
Figure 2 The landscape of mountain willow shrubs (top) and shrub line (bottom) on the Qinghai-Tibet Plateau (photo courtesy of the research team) Information about the paper: https://doi.
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