干旱区生态环境知识资源中心(Arid): Phosphorus deficiency is the main limiting factor for re-vegetation and soil microorganisms in Mu Us Sandy Land, Northwest China

Arid

DOI	10.1016/j.scitotenv.2023.165770
	Phosphorus deficiency is the main limiting factor for re-vegetation and soil microorganisms in Mu Us Sandy Land, Northwest China
	Yan, Jiakun; Lou, Li; Bai, Wenhui; Zhang, Suiqi; Zhang, Ningning
通讯作者	Yan, JK ; Zhang, NN
来源期刊	SCIENCE OF THE TOTAL ENVIRONMENT
ISSN	0048-9697
EISSN	1879-1026
出版年	2023
卷号	900
英文摘要	Long-term drought induced by low rainfall leads to environmental degradation of land in arid and semi-arid regions. In past decades, re-vegetation of degraded sandy soils to prevent soil erosion has been widely employed, including in Mu Us Sandy Land, which suffers from severe soil erosion. However, it remains unclear how re-vegetation affects soil properties and soil microbes after long restoration periods. In this study, typical plots planting Artemisia ordosica and Salix psammophila were selected to investigate the influence of plant types on soil properties; an area of bare sandy land was used as a control. The results show that re-vegetation increased soil organic carbon (C), total nitrogen (N), soil microbial carbon, microbial nitrogen and soil organic acid, while decreasing soil total phosphorous (TP) content significantly, resulting in increased C/P and N/P ratios. Corre-lation analysis showed that TP was negatively correlated with oxalic acid (OA) and acetic acid (AA), indicating that increased AA and OA content could accelerate the active utilization of phosphorus and induced low TP in soil. Re-vegetation with A. ordosica significantly decreased the microbial diversity of topsoil. The redundancy analysis showed that TP was main index in affecting microbes. These results that lower P content, higher C/P and N/P ratio and influence of TP on microbes suggest that phosphorus is the main limiting factor for re-vegetation and growth of soil microorganisms. In the future, strategies for the development of sustainable ecosystems in regions suffers from severe soil erosion should consider phosphorus supplementation.
英文关键词	Sandy soil Re-vegetation Soil microbes Soil pH Soil bulk density Soil nutrient
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:001055042000001
WOS关键词	MICROBIAL COMMUNITY ; ORGANIC-ACIDS ; DIVERSITY
WOS类目	Environmental Sciences
WOS研究方向	Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/398548
推荐引用方式 GB/T 7714	Yan, Jiakun,Lou, Li,Bai, Wenhui,et al. Phosphorus deficiency is the main limiting factor for re-vegetation and soil microorganisms in Mu Us Sandy Land, Northwest China[J],2023,900.
APA	Yan, Jiakun,Lou, Li,Bai, Wenhui,Zhang, Suiqi,&Zhang, Ningning.(2023).Phosphorus deficiency is the main limiting factor for re-vegetation and soil microorganisms in Mu Us Sandy Land, Northwest China.SCIENCE OF THE TOTAL ENVIRONMENT,900.
MLA	Yan, Jiakun,et al."Phosphorus deficiency is the main limiting factor for re-vegetation and soil microorganisms in Mu Us Sandy Land, Northwest China".SCIENCE OF THE TOTAL ENVIRONMENT 900(2023).