globalchange  > 气候减缓与适应
DOI: 10.1111/gcb.14470
WOS记录号: WOS:000453370700020
论文题名:
Tree resilience to drought increases in the Tibetan Plateau
作者: Fang, Ouya; Zhang, Qi-Bin
通讯作者: Zhang, Qi-Bin
刊名: GLOBAL CHANGE BIOLOGY
ISSN: 1354-1013
EISSN: 1365-2486
出版年: 2019
卷: 25, 期:1, 页码:245-253
语种: 英语
英文关键词: climate change ; extreme drought ; recovery ; resistance ; spatial resilience ; tree rings
WOS关键词: CLIMATE-CHANGE ; GROWTH ; PRODUCTIVITY ; DETERMINES ; MORTALITY ; MOISTURE ; IMPACTS ; FORESTS ; SET ; DRY
WOS学科分类: Biodiversity Conservation ; Ecology ; Environmental Sciences
WOS研究方向: Biodiversity & Conservation ; Environmental Sciences & Ecology
英文摘要:

Forests in the Tibetan Plateau are thought to be vulnerable to climate extremes, yet they also tend to exhibit resilience contributing to the maintenance of ecosystem services in and beyond the plateau. So far the spatiotemporal pattern in tree resilience in the Tibetan Plateau remains largely unquantified and the influence of specific factors on the resilience is poorly understood. Here, we study ring-width data from 849 trees at 28 sites in the Tibetan Plateau with the aim to quantify tree resilience and determine their diving forces. Three extreme drought events in years 1969, 1979, and 1995 are detected from metrological records. Regional tree resistance to the three extreme droughts shows a decreasing trend with the proportion of trees having high resistance ranging from 71.9%, 55.2%, to 39.7%. Regional tree recovery is increasing with the proportion of trees having high recovery ranging from 28.3%, 52.2%, to 64.2%. The area with high resistance is contracting and that of high recovery is expanding. The spatiotemporal resistance and recovery are associated with moisture availability and diurnal temperature range, respectively. In addition, they are both associated with forest internal factor represented by growth consistence among trees. We conclude that juniper trees in the Tibetan Plateau have increased resilience to extreme droughts in the study period. We highlight pervasive resilience in juniper trees. The results have implications for predicting tree resilience and identifying areas vulnerable to future climate extremes.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/127448
Appears in Collections:气候减缓与适应

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作者单位: Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing, Peoples R China

Recommended Citation:
Fang, Ouya,Zhang, Qi-Bin. Tree resilience to drought increases in the Tibetan Plateau[J]. GLOBAL CHANGE BIOLOGY,2019-01-01,25(1):245-253
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