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| DOI | 10.1029/2023EF003705 |
| Enhanced Drought Exposure Increasingly Threatens More Forests Than Observed | |
| 发表日期 | 2024 |
| EISSN | 2328-4277 |
| 起始页码 | 12 |
| 结束页码 | 1 |
| 卷号 | 12期号:1 |
| 英文摘要 | Forest protection and afforestation have been identified as a means to partially offset anthropogenic CO2 emissions. Yet, increasingly frequent observations of drought-induced tree mortality are reported. Here, we applied a risk analysis framework for global drought-induced forest mortality by examining extreme reductions in greenness and water content of forest canopies during past mortality events as well as growth recovery of surviving individual trees following stand-scale mortality events. We defined a drought-induced mortality risk index (DMR) that explains 80% of documented tree mortality. Rising CO2 alleviated the increase of DMR with short-term drought, however, the observed DMR increases with long-term drought no matter whether considering plant responses to CO2. DMR in sites where tree mortality has been observed significantly increased since the 1980s. More than that, drought exposure threatened 0.28 billion hectares of forested areas. Our framework highlights how climate change-induced drought, especially hotter-droughts, threatens the sustainability of global forests. |
| 英文关键词 | tree mortality; hotter-droughts; drought exposure; pulse and press droughts; reforestation; afforestation; CO2 fertilization |
| 语种 | 英语 |
| WOS研究方向 | Environmental Sciences & Ecology ; Geology ; Meteorology & Atmospheric Sciences |
| WOS类目 | Environmental Sciences ; Geosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences |
| WOS记录号 | WOS:001138715000001 |
| 来源期刊 | EARTHS FUTURE
 |
| 来源机构 | 中国科学院青藏高原研究所 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/287025 |
| 作者单位 | Peking University; Peking University; Universite Paris Cite; Universite Paris Saclay; CEA; Centre National de la Recherche Scientifique (CNRS); Julius Kuhn-Institut; Max Planck Society; Consejo Superior de Investigaciones Cientificas (CSIC); Beijing Normal University; State University System of Florida; University of Florida; University of New Mexico; Lanzhou University; Chinese Academy of Sciences; Institute of Tibetan Plateau Research, CAS; Chinese Academy of Sciences |
| 推荐引用方式 GB/T 7714 | . Enhanced Drought Exposure Increasingly Threatens More Forests Than Observed[J]. 中国科学院青藏高原研究所,2024,12(1). |
| APA | (2024).Enhanced Drought Exposure Increasingly Threatens More Forests Than Observed.EARTHS FUTURE,12(1). |
| MLA | "Enhanced Drought Exposure Increasingly Threatens More Forests Than Observed".EARTHS FUTURE 12.1(2024). |
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