干旱区生态环境知识资源中心(Arid): Runoff and Infiltration responses of revegetated slopes to clipping management on the northern Loess Plateau

Arid

DOI	10.1016/j.iswcr.2023.02.004
	Runoff and Infiltration responses of revegetated slopes to clipping management on the northern Loess Plateau
	He, Qilin; Li, Binbin; Zhang, Fengbao; Shen, Nan; Yang, Mingyi
通讯作者	Zhang, FB
来源期刊	INTERNATIONAL SOIL AND WATER CONSERVATION RESEARCH
ISSN	2095-6339
EISSN	2589-059X
出版年	2024
卷号	12 期号:1 页码:171-183
英文摘要	Large-scale vegetation restoration can reduce local watershed water yield, limit vegetation establishment and subsequent growth, and influence regional ecosystem functions. Clipping management by reducing aboveground parts of grassland was gradually recommended and adopted in Grain -for -Green project management to offset these additional issues. Thus, scientific evaluation of the effectiveness of clipping management on infiltration and runoff processes is necessary for maintaining the stability of the surface water system and the sustainability of vegetation restoration in semi -arid regions. A field simulated rainfall experiment was conducted with four managed clipping grasslands (mainly bunge needlegrass and Stipa grandis ), including no clipping, light clipping, heavy clipping, and complete clipping under three slope gradients (10, 20, and 30 degrees ) and three rainfall intensities (60, 90, and 120 mm/h) to explore the mechanism of runoff and infiltration responses to clipping using structural equation modeling and variation partitioning based on an SCS-CN model. The results showed the runoff coefficient of the light clipping, heavy clipping, and complete clipping plots were 1.33, 2.22, and 4.22 times that of the no clipping plot. The light clipping, heavy clipping, and complete clipping plots decreased the infiltration coefficients by 0%, 5%, and 26% relative to the no clipping plot. Rainfall intensity dominated runoff and infiltration amounts, and clipping intensity's total effect was stronger than slope gradient. Clipping intensity and slope gradient were more influential on runoff with increasing rainfall intensity. The mutual inhibition effect was between clipping intensity and slope gradient on runoff. In order to maintain the sustainability of restoration, a 25-50% vegetation coverage after clipping maximizes the benefits of increasing runoff and maintaining enough soil water supply that prevents possible soil drought. We propose that future vegetation restoration policies should evaluate the appropriate clipping intensity; meanwhile, local physiographic and climate conditions should be considered. These findings may offer guidance for the development of measures for runoff regulation and ecosystem functions of the watershed during vegetation restoration on the northern Loess Plateau. (c) 2023 International Research and Training Center on Erosion and Sedimentation, China Water and Power Press, and China Institute of Water Resources and Hydropower Research. Publishing services by Elsevier B.V. on behalf of KeAi Communications Co. Ltd. This is an open access article under the CC BYNC -ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
英文关键词	Runoff Infiltration Grassland clipping management SCS-CN model Structural equation model Variation partitioning
类型	Article
语种	英语
开放获取类型	gold
收录类别	SCI-E
WOS记录号	WOS:001225694200001
WOS关键词	RAIN-USE EFFICIENCY ; FACTOR LS-FACTOR ; SOIL-EROSION ; VEGETATION COVERAGE ; SEDIMENT YIELD ; SURFACE RUNOFF ; STEEP SLOPES ; INTENSITY ; GRADIENT ; RESTORATION
WOS类目	Environmental Sciences ; Soil Science ; Water Resources
WOS研究方向	Environmental Sciences & Ecology ; Agriculture ; Water Resources
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/404274
推荐引用方式 GB/T 7714	He, Qilin,Li, Binbin,Zhang, Fengbao,et al. Runoff and Infiltration responses of revegetated slopes to clipping management on the northern Loess Plateau[J],2024,12(1):171-183.
APA	He, Qilin,Li, Binbin,Zhang, Fengbao,Shen, Nan,&Yang, Mingyi.(2024).Runoff and Infiltration responses of revegetated slopes to clipping management on the northern Loess Plateau.INTERNATIONAL SOIL AND WATER CONSERVATION RESEARCH,12(1),171-183.
MLA	He, Qilin,et al."Runoff and Infiltration responses of revegetated slopes to clipping management on the northern Loess Plateau".INTERNATIONAL SOIL AND WATER CONSERVATION RESEARCH 12.1(2024):171-183.