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题名: Roots of forbs sense climate fluctuations in the semi-arid Loess Plateau: Herb-chronology based analysis
作者: Shi, Songlin; Li, Zongshan; Wang, Hao; von Arx, Georg; Lu, Yihe; Wu, Xing; Wang, Xiaochun; Liu, Guohua; Fu, Bojie
刊名: SCIENTIFIC REPORTS
出版日期: 2016-06-21
卷号: 6, 期号:0, 页码:1-9
DOI: 10.1038/srep28435
部门归属: 城市与区域生态国家重点实验室
英文摘要: Growth of herbaceous plants responds sensitively and rapidly to climate variability. Yet, little is known regarding how climate warming influences the growth of herbaceous plants, particularly in semi-arid sites. This contrasts with widely reported tree growth decline and even mortality in response to severe water deficits due to climate warming around the world. Here, we use the relatively novel approach of herb-chronology to analyze the correlation between climatic factors and annual ring width in the root xylem of two perennial forb species (Medicago sativa, Potentilla chinensis) in the Loess Plateau of China. We show that warming-induced water deficit has a significant negative effect on the growth of herbaceous plants in the Loess Plateau. Our results indicate that the growth of forbs responds rapidly and sensitively to drought variability, implying that water availability plays a dominant role in regulating the growth of herbaceous plants in semi-arid areas. If warming and drying in the Loess Plateau continue in the future, further affects the growth of herbaceous plants, potentially driving regional changes in the relationship between herbaceous vegetation and climate.
收录类别: SCI
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内容类型: 期刊论文
URI标识: http://ir.rcees.ac.cn/handle/311016/35660
Appears in Collections:城市与区域生态国家重点实验室_期刊论文

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Recommended Citation:
Shi, Songlin,Li, Zongshan,Wang, Hao,et al. Roots of forbs sense climate fluctuations in the semi-arid Loess Plateau: Herb-chronology based analysis[J]. SCIENTIFIC REPORTS,2016,6(0):1-9.
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