Climate Regulates the Effects of Abrupt Vegetation Shifts on Soil Moisture in the Loess Plateau, China
文献类型：期刊论文
| 作者 | Xiao, Guoan1,2; Xin, Liangjie1; Wang, Xue1; Li, Xiubin1; Tan, Minghong1 |
| 刊名 | LAND DEGRADATION & DEVELOPMENT
 |
| 出版日期 | 2024-11-07 |
| 卷号 | N/A |
| 关键词 | abrupt vegetation shifts climate multi-period difference-in-differences model revegetation soil moisture content the Loess Plateau |
| DOI | 10.1002/ldr.5375 |
| 产权排序 | 1 |
| 文献子类 | Article ; Early Access |
| 英文摘要 | Abrupt vegetation shifts, defined as an abrupt and irreversible level shift in the intercept (rather than slope) in productivity, indicate transitions of unstable ecosystems to alternative states. Understanding these shifts is critical when monitoring ecosystem productivity because they may reveal drivers and environmental impacts that differ from gradual changes in vegetation. In China's Loess Plateau where sustainable water resource limits are being approached due to revegetation, it is unclear whether large-scale abrupt vegetation shifts have occurred and how the various vegetation changes have affected the soil water content (SMC). In this study, we found that approximately 27.9% of grasslands and 24.8% of forests on the Loess Plateau experienced positive abrupt vegetation shifts from 2000 to 2020. The results of the climate zone method and the multi-period difference-in-differences (MDID) model showed that the effects of abrupt vegetation shifts on the SMC vary geographically. Approximately 55.9% of grasslands and 33.9% of forests can wet the soil (0-289 cm) during abrupt greening, while 35.7% of grasslands and 37.6% of forests may cause drying in such events. Positive hydrological responses of soil to vegetation greening were concentrated in grasslands with precipitation below 340 mm and forests with precipitation below 520 mm, and this could be related to the limitation of lower precipitation on evapotranspiration. Similar positive responses were also found in strong evaporative environments where the temperature, solar radiation, and wind speed were higher, and the vapor pressure deficit was lower, which may have been associated with the constraints of soil evaporation through vegetation greening. This study reveals the existence of spatial heterogeneity in the hydrological response of soils to abrupt vegetation shifts and explores possible climate-regulating mechanisms. The results could be used to inform the development of targeted conservation and restoration measures in areas with similar climate conditions. |
| WOS关键词 | DIFFERENT LAND-COVER ; RE-VEGETATION ; EVAPOTRANSPIRATION ; REVEGETATION ; RESTORATION ; INCREASES ; DYNAMICS ; EROSION ; DECLINE ; RUNOFF |
| WOS研究方向 | Environmental Sciences & Ecology ; Agriculture |
| WOS记录号 | WOS:001357594700001 |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/209504]  |
| 专题 | 陆地表层格局与模拟院重点实验室_外文论文 |
| 通讯作者 | Xin, Liangjie |
| 作者单位 | 1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing, Peoples R China 2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing, Peoples R China |
| 推荐引用方式 GB/T 7714 | Xiao, Guoan,Xin, Liangjie,Wang, Xue,et al. Climate Regulates the Effects of Abrupt Vegetation Shifts on Soil Moisture in the Loess Plateau, China[J]. LAND DEGRADATION & DEVELOPMENT,2024,N/A. |
| APA | Xiao, Guoan,Xin, Liangjie,Wang, Xue,Li, Xiubin,&Tan, Minghong.(2024).Climate Regulates the Effects of Abrupt Vegetation Shifts on Soil Moisture in the Loess Plateau, China.LAND DEGRADATION & DEVELOPMENT,N/A. |
| MLA | Xiao, Guoan,et al."Climate Regulates the Effects of Abrupt Vegetation Shifts on Soil Moisture in the Loess Plateau, China".LAND DEGRADATION & DEVELOPMENT N/A(2024). |
入库方式： OAI收割
来源：地理科学与资源研究所
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