Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1088/1748-9326/aacadd |
Forest drought resistance distinguished by canopy height | |
Xu, Peipei1,2,3; Zhou, Tao1,2; Yi, Chuixiang3,4; Fang, Wei3; Hendrey, George3,4; Zhao, Xiang5,6 | |
2018-07-01 | |
发表期刊 | ENVIRONMENTAL RESEARCH LETTERS |
ISSN | 1748-9326 |
出版年 | 2018 |
卷号 | 13期号:7 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China; USA |
英文摘要 | How are the survival and growth of trees under severe drought affected by their size? While some studies have shown that large trees are more vulnerable to drought than smaller trees, others found that small trees are the more vulnerable. We explored the potential relationships between canopy height and forest responses to drought indicated by tree mortality, tree ring width index (RWI), and normalized difference vegetation index (NDVI) in the southwestern United States (SWUS) in 2002. In that year many trees had zero tree ring growth due to mortality and dieback, presumably related to drought-stress. With RWI data from a tree ring data base and climate data co-located with the field measurements, we found size-dependent linear correlations between these forest responses and canopy height in SWUS under severe drought condition. During that drought period, both trunk growth (RWI) and leaf growth (NDVI) were positively correlated with canopy height of the smaller trees (less than 18 m) and negatively correlated with canopy height of greater than 18 m. Tree mortality was negatively correlated with canopy height up to 15 m. Both local-scale and regional-scale data are consistent in showing that forests with medium canopy height (around 18 meters) showed the greatest resistance to severe drought. We suggest that negative impacts of severe drought on forests could be modified with active management of canopy structure. |
英文关键词 | forest resistance severe drought canopy height |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000436996300001 |
WOS关键词 | TREE MORTALITY ; MIXED-CONIFER ; STAND AGE ; TEMPERATURE ; DATASET ; LIANAS ; HEAT |
WOS类目 | Environmental Sciences ; Meteorology & Atmospheric Sciences |
WOS研究方向 | Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/31001 |
专题 | 气候变化 |
作者单位 | 1.Beijing Normal Univ, Fac Geog Sci, State Key Lab Earth Surface Proc & Resource, Beijing 100875, Peoples R China; 2.Acad Disaster Reduct & Emergency Management, Minist Educ, Key Lab Environm Change & Nat Disaster, Beijing 100875, Peoples R China; 3.CUNY, Queens Coll, Sch Earth & Environm Sci, New York, NY 11367 USA; 4.CUNY, Grad Ctr, Earth & Environm Sci Dept, New York, NY 10016 USA; 5.Chinese Acad Sci, Beijing Normal Univ, State Key Lab Remote Sensing Sci, Beijing 100875, Peoples R China; 6.Chinese Acad Sci, Inst Remote Sensing & Digital Earth, Beijing 100875, Peoples R China |
推荐引用方式 GB/T 7714 | Xu, Peipei,Zhou, Tao,Yi, Chuixiang,et al. Forest drought resistance distinguished by canopy height[J]. ENVIRONMENTAL RESEARCH LETTERS,2018,13(7). |
APA | Xu, Peipei,Zhou, Tao,Yi, Chuixiang,Fang, Wei,Hendrey, George,&Zhao, Xiang.(2018).Forest drought resistance distinguished by canopy height.ENVIRONMENTAL RESEARCH LETTERS,13(7). |
MLA | Xu, Peipei,et al."Forest drought resistance distinguished by canopy height".ENVIRONMENTAL RESEARCH LETTERS 13.7(2018). |
条目包含的文件 | 条目无相关文件。 |
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