气候变化领域集成服务门户(CCPortal): Severe degradation and artificial restoration diversely drive runoff and sediment processes in alpine meadows

CCPortal

DOI	10.1016/j.geoderma.2024.116828
	Severe degradation and artificial restoration diversely drive runoff and sediment processes in alpine meadows
	Qian, Jiaxin; Wang, Di; Zhao, Lirong; Cui, Zeng; Li, Shixiong; Liu, Yu
发表日期	2024
ISSN	0016-7061
EISSN	1872-6259
起始页码	443
卷号	443
英文摘要	Artificial grassland is considered an effective measure for restoring severely degraded grassland in alpine areas and has been widely applied on the Qinghai-Tibetan Plateau. However, the specific effects of artificial restoration and degradation on slope runoff and sediment yield are still poorly understood. In this study, we investigated the effects of artificial restoration and degradation on the runoff sediment process in three areas: an alpine meadow (AM), a severely degraded alpine meadow (BL), and a degraded alpine meadow that was restored by artificial grassland (AG). Our findings revealed that the runoff in AG was significantly lower than that in both AM and BL, with reductions by 95.59% and 88.40%, respectively. The sediment yield in AG was significantly reduced, with reductions by 21.77% and 90.54% compared to AM and BL, respectively. Nevertheless, the sediment concentration in AG was 27.22 and 3.26 times higher than that in AM and BL, respectively. Our study provides clear evidence that plant and soil properties play a crucial role in driving soil erosion processes in both AG and BL. Specifically, artificial grassland was effective in inhibiting runoff and sediment yield. This inhibition was attributed to the modification of soil conditions and the interception of rainfall, which were facilitated by the recovery of vegetation coverage and the increased input of organic matter. These findings have significant implications for the artificial restoration of degraded alpine meadows and soil erosion prevention efforts on the Qinghai-Tibetan Plateau.
英文关键词	Alpine meadows; Artificial grassland; Runoff and sediment; Vegetation; Soil properties
语种	英语
WOS研究方向	Agriculture
WOS类目	Soil Science
WOS记录号	WOS:001202737200001
来源期刊	GEODERMA
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/301562
作者单位	Northwestern Polytechnical University; Chinese Academy of Sciences; Institute of Soil & Water Conservation (ISWC), CAS; Chinese Academy of Sciences; Institute of Soil & Water Conservation (ISWC), CAS; Northwest A&F University - China; Qinghai University; Northwestern Polytechnical University
推荐引用方式 GB/T 7714	Qian, Jiaxin,Wang, Di,Zhao, Lirong,et al. Severe degradation and artificial restoration diversely drive runoff and sediment processes in alpine meadows[J],2024,443.
APA	Qian, Jiaxin,Wang, Di,Zhao, Lirong,Cui, Zeng,Li, Shixiong,&Liu, Yu.(2024).Severe degradation and artificial restoration diversely drive runoff and sediment processes in alpine meadows.GEODERMA,443.
MLA	Qian, Jiaxin,et al."Severe degradation and artificial restoration diversely drive runoff and sediment processes in alpine meadows".GEODERMA 443(2024).