globalchange  > 过去全球变化的重建
DOI: 10.1016/j.quascirev.2017.08.006
Scopus记录号: 2-s2.0-85028563020
论文题名:
Reconstruction of the vegetation distribution of different topographic units of the Chinese Loess Plateau during the Holocene
作者: Sun A.; Guo Z.; Wu H.; Li Q.; Yu Y.; Luo Y.; Jiang W.; Li X.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2017
卷: 173
起始页码: 236
结束页码: 247
语种: 英语
英文关键词: Biome ; Chinese Loess Plateau ; Holocene ; Topographic units ; Vegetation change
Scopus关键词: Erosion ; Forestry ; Global warming ; Landforms ; Reforestation ; Restoration ; Sediments ; Soils ; Biome ; Chinese Loess Plateau ; Holocenes ; Topographic units ; Vegetation change ; Vegetation ; Poaceae
英文摘要: Soil erosion and related ecological restoration present a tremendous challenge to the socioeconomic development of the Chinese Loess Plateau (CLP). Although the Chinese government has addressed the problem of soil erosion via an afforestation programme, there have been several negative outcomes. One of the reasons for this is our incomplete understanding of the past natural vegetation distribution in the various topographic units of the CLP under different climate scenarios. Consequently, we used fossil pollen data from 41 sites from different topographic units, together with the biomization method, to reconstruct the Holocene vegetation distribution of the CLP. The results demonstrate significant differences in vegetation types between different topographic units: forest was distributed in mountainous areas, steppe was dominant in Yuan areas, and desert vegetation was distributed in the transition zone between loess and desert. The vegetation in the gully areas exhibited significant spatial differences during the mid-Holocene. In addition, the vegetation on the various topographic units was well-developed during the interval from 9 to 4 ka B.P., when regional moisture levels reached a maximum. This suggests that the East Asian Summer Monsoon was one of the main factors controlling the evolution of vegetation patterns during the Holocene. In addition, our results confirm that both topography and human activity were fundamental factors determining the vegetation distribution of the region. Against a background of ongoing global warming, we advocate a program of vegetation restoration including planting trees and shrubs in the mountainous areas, and promoting the growth of grasses in the Yuan areas and in the transitional zone between loess and desert. In the gully areas, the planting of trees and shrubs is appropriate for reducing soil erosion caused by human activities. © 2017 Elsevier Ltd
资助项目: We are grateful to two anonymous reviewers for their useful suggestions. This research was funded by the National Natural Science Foundation of China (grant nos. 41430531, 41690114, and 41125011), the National Basic Research Program of China (Grant no. 2016YFA0600504), and the Bairen Programs of the Chinese Academy of Sciences.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/59110
Appears in Collections:过去全球变化的重建

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作者单位: College of Earth Sciences, University of Chinese Academy of Sciences, 19A, Yuquan Road, Beijing, China; Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China; CAS Center for Excellence in Tibetan Plateau Earth Sciences, Beijing, China; State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing, China; Key Laboratory of Vertebrate Evolution and Human Origins of the Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, China

Recommended Citation:
Sun A.,Guo Z.,Wu H.,et al. Reconstruction of the vegetation distribution of different topographic units of the Chinese Loess Plateau during the Holocene[J]. Quaternary Science Reviews,2017-01-01,173
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