Redistribution of hydrological and dissolved nutrient by self-organized shrubs: strategies to collect rain and nutrient for surviving in drylands
文献类型：期刊论文
| 作者 | An, Jinxia2; Ma, Ying3,4; Pinos, Juan1; Gao, Guangyao2,4,5,6 |
| 刊名 | JOURNAL OF HYDROLOGY
 |
| 出版日期 | 2026-02-01 |
| 卷号 | 666页码:134877 |
| 关键词 | Vegetation self-organization Rainfall distribution Dissolved nutrient flux Soil moisture and nutrient accumulation Xerophytic shrubs |
| ISSN号 | 0022-1694 |
| DOI | 10.1016/j.jhydrol.2025.134877 |
| 产权排序 | 2 |
| 文献子类 | Article |
| 英文摘要 | Rainfall redistribution by vegetation and associated dissolved nutrient fluxes are critical for water and nutrient cycling in plant-soil system. Shrubs are the dominant vegetation type and show contrasting morphological characteristics in drylands, self-organized being clumped with aggregated canopy or scattered with isolated canopy. However, little is known about the effects of shrub self-organization on rainfall redistribution and dissolved carbon and nitrogen fluxes (DC, DN), which further affects soil moisture recharge and soil nutrient accumulation to resist drought. In this study, we compared water fluxes (including throughfall, stemflow, infiltration, surface runoff, and top-soil moisture) and their DC and DN fluxes between the clumped and scattered shrubs of Salix psammophila on the Loess Plateau in China from 2019 to 2021. The scattered shrubs had a significantly higher throughfall percentage (77.6 % vs. 72.5 %), but a lower stemflow percentage (5.4 % vs. 7.9 %) and surface runoff percentage (0.10 % vs. 0.37 %) compared to clumped shrubs. Moreover, clumped shrubs demonstrated significantly higher DC flux in stemflow, yet lower fluxes in runoff compared to scattered shrubs (p < 0.05), while no significant difference of fluxes in throughfall and infiltration was observed. The clumped shrubs had significantly higher plant-derived DC and DN fluxes than those in scattered pattern (p < 0.05), whereas there was no significant difference of soil-buffered fluxes between the two patterns. Thus, scattered shrubs collected more net rainfall resulting in higher surface soil moisture, whereas clumped shrubs received greater amount of nutrient inputs leading to increase of soil nutrient content in surface layer. This study reveals the contrasting patterns of self-organized shrubs to harvest rainfall and dissolved nutrient, which provides a new understanding on the survival strategies of xerophytic shrubs from morphological adaptations in drylands. |
| URL标识 | 查看原文 |
| WOS关键词 | SOIL-WATER ; STEMFLOW ; THROUGHFALL ; DEPOSITION ; PATTERNS ; MATTER ; FLUXES ; CARBON ; FLOW |
| WOS研究方向 | Engineering ; Geology ; Water Resources |
| 语种 | 英语 |
| WOS记录号 | WOS:001658857900001 |
| 出版者 | ELSEVIER |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/219707]  |
| 专题 | 陆地水循环及地表过程院重点实验室_外文论文 |
| 通讯作者 | Ma, Ying |
| 作者单位 | 1.Univ Nevada, Sch Life Sci, Las Vegas, NV USA; 2.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Urban & Reg Ecol, Beijing 100085, Peoples R China; 3.Chinese Acad Sci, Key Lab Water Cycle & Related Land Surface Proc, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China; 4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China; 5.Shaanxi Yanan Forest Ecosyst Observat & Res Stn, Beijing 100085, Peoples R China 6.Natl Observat & Res Stn Earth Crit Zone Loess Plat, Xian 710061, Peoples R China; |
| 推荐引用方式 GB/T 7714 | An, Jinxia,Ma, Ying,Pinos, Juan,et al. Redistribution of hydrological and dissolved nutrient by self-organized shrubs: strategies to collect rain and nutrient for surviving in drylands[J]. JOURNAL OF HYDROLOGY,2026,666:134877. |
| APA | An, Jinxia,Ma, Ying,Pinos, Juan,&Gao, Guangyao.(2026).Redistribution of hydrological and dissolved nutrient by self-organized shrubs: strategies to collect rain and nutrient for surviving in drylands.JOURNAL OF HYDROLOGY,666,134877. |
| MLA | An, Jinxia,et al."Redistribution of hydrological and dissolved nutrient by self-organized shrubs: strategies to collect rain and nutrient for surviving in drylands".JOURNAL OF HYDROLOGY 666(2026):134877. |
入库方式： OAI收割
来源：地理科学与资源研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。