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Three-decadal destabilization of vegetation activity on the Mongolian Plateau
Zhao, Xia; Shen, Haihua; Geng, Xiaoqing; Fang, Jingyun1,2
2021
发表期刊ENVIRONMENTAL RESEARCH LETTERS
ISSN1748-9326
卷号16期号:3
摘要Steppes on the Mongolian Plateau, mainly within the Republic of Mongolia and the Inner Mongolia Autonomous Region (IMAR) of China, have been subjected to widespread degradation as a result of climate change and human utilization. Field experiments and long-term observations suggest that the productivity of degraded grassland ecosystems might show greater instability, i.e. stronger interannual variation in vegetation activities, when driven by climate change. However, it remains unknown whether this hypothesized destabilization of steppe vegetation activity has occurred in the past three decades and how this destabilization has fed back to livestock production on the plateau. Herein, we define temporal instability of vegetation activity using three indicators, the start and end of the growing season as indicated by the normalized difference vegetation index (NDVI) and the mean growing-season NDVI, and examine their trends between 1983 and 2015. Our results show a significant destabilization of vegetation activity over a large proportion of the total steppe area. Compared with the IMAR, vegetation destabilization has occurred to a significantly higher extent in Mongolia. Climate warming, drying and interannual climate variability accounted for approximately 60%-80% of the vegetation destabilization. The destabilization of steppe productivity was significantly associated with the interannual variability of livestock production in Mongolia, while the interannual variability of steppe productivity and livestock production were decoupled in the IMAR. Our findings highlight the need to improve livestock production systems and conserve degraded grasslands for sustainable development in view of the destabilization of steppe productivity on the Mongolian Plateau.
关键词temporal stability climate variability climate change temperate steppe Mongolian Plateau
学科领域Environmental Sciences ; Meteorology & Atmospheric Sciences
DOI10.1088/1748-9326/abd81d
收录类别SCI
语种英语
WOS关键词ECOSYSTEM STABILITY ; GRASSLAND DEGRADATION ; CLIMATE ; DIVERSITY ; SATELLITE ; PRODUCTIVITY ; BIODIVERSITY ; VARIABILITY ; EFFICIENCY ; RICHNESS
WOS研究方向Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号WOS:000624480500001
出版者IOP Publishing Ltd
文献子类Article
出版地BRISTOL
资助机构National Natural Science Foundation of China [31700419, 31988102] ; National Key Research and Development Program [2017YFC0503901]
作者邮箱jyfang@urban.pku.edu.cn
作品OA属性gold
引用统计
被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ibcas.ac.cn/handle/2S10CLM1/26531
专题植被与环境变化国家重点实验室
作者单位1.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
2.Peking Univ, Dept Ecol, Coll Urban & Environm, Minist Educ, Beijing 100871, Peoples R China
3.Peking Univ, Key Lab Earth Surface Proc, Minist Educ, Beijing 100871, Peoples R China
推荐引用方式
GB/T 7714
Zhao, Xia,Shen, Haihua,Geng, Xiaoqing,et al. Three-decadal destabilization of vegetation activity on the Mongolian Plateau[J]. ENVIRONMENTAL RESEARCH LETTERS,2021,16(3).
APA Zhao, Xia,Shen, Haihua,Geng, Xiaoqing,&Fang, Jingyun.(2021).Three-decadal destabilization of vegetation activity on the Mongolian Plateau.ENVIRONMENTAL RESEARCH LETTERS,16(3).
MLA Zhao, Xia,et al."Three-decadal destabilization of vegetation activity on the Mongolian Plateau".ENVIRONMENTAL RESEARCH LETTERS 16.3(2021).
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