干旱区生态环境知识资源中心(Arid): Impacts of land use and salinization on soil inorganic and organic carbon in the middle-lower Yellow River Delta

Arid

DOI	10.1016/S1002-0160(21)60018-8
	Impacts of land use and salinization on soil inorganic and organic carbon in the middle-lower Yellow River Delta
	Guo, Yang; Wang, Xiujun; Li, Xianglan; Xu, Minggang; Li, Yuan; Zheng, Haonan; Luo, Yongming; Smith, Pete
通讯作者	Wang, XJ ; Li, XL (corresponding author), Beijing Normal Univ, Coll Global Change & Earth Syst Sci, Beijing 100875, Peoples R China.
来源期刊	PEDOSPHERE
ISSN	1002-0160
EISSN	2210-5107
出版年	2021
卷号	31 期号:6 页码:839-848
英文摘要	Soil inorganic carbon (SIC) is an important reservoir of carbon (C) in arid, semi-arid, and semi-humid regions. However, knowledge is incomplete on the dynamics of SIC and its relationship with soil organic C (SOC) under different land use types in the semi-humid region, particularly in coastal zones impacted by soil salinization. We collected 170 soil samples from 34 profiles across various land use types (maize-wheat, cotton, paddy, and reed) in the middle-lower Yellow River Delta (YRD), China. We measured soil pH, electrical conductivity (EC), water-soluble salts, and SOC and SIC contents. Our results showed significant differences in both SOC and SIC among land use types. The dry cropland (maize-wheat and cotton) soils had significantly higher SOC and SIC densities (4.71 and 15.46 kg C m, respectively) than the paddy soils (3.28 and 14.09 kg Cm-2, respectively) in the 0-100 cm layer. Compared with paddy soils, reed soils contained significantly higher SOC (4.68 kg Cm-2) and similar SIC (15.02 kg Cm-2) densities. There was a significant positive correlation between SOC and SIC densities over a 0-100 cm soil depth in dry cropland soils, but a negative relationship in the paddy soils. On average, SOC and SIC densities under maize-wheat cropping were 15% and 4% lower, respectively, in the salt-affected soils in the middle-lower YRD than the upper YRD. This study indicated that land use types had great influences on both SOC and SIC and their relationship, and salinization had adverse effect on soil C storage in the YRD.
英文关键词	C densities C stocks land use type salt-affected soil soil salinization
类型	Article
语种	英语
开放获取类型	Green Published
收录类别	SCI-E
WOS记录号	WOS:000671197100001
WOS关键词	GLOBAL CLIMATE-CHANGE ; LOESS PLATEAU ; VERTICAL-DISTRIBUTION ; SEQUESTRATION ; CHINA ; STOCKS ; FERTILIZATION ; DYNAMICS ; CROPLAND ; MATTER
WOS类目	Soil Science
WOS研究方向	Agriculture
来源机构	北京师范大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/367978
作者单位	[Guo, Yang; Wang, Xiujun; Li, Xianglan; Zheng, Haonan] Beijing Normal Univ, Coll Global Change & Earth Syst Sci, Beijing 100875, Peoples R China; [Xu, Minggang] Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, Beijing 100081, Peoples R China; [Li, Yuan; Luo, Yongming] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc & Ecol Remedia, Yantai 264003, Peoples R China; [Guo, Yang; Smith, Pete] Univ Aberdeen, Inst Biol & Environm Sci, Aberdeen AB24 3UU, Scotland
推荐引用方式 GB/T 7714	Guo, Yang,Wang, Xiujun,Li, Xianglan,et al. Impacts of land use and salinization on soil inorganic and organic carbon in the middle-lower Yellow River Delta[J]. 北京师范大学,2021,31(6):839-848.
APA	Guo, Yang.,Wang, Xiujun.,Li, Xianglan.,Xu, Minggang.,Li, Yuan.,...&Smith, Pete.(2021).Impacts of land use and salinization on soil inorganic and organic carbon in the middle-lower Yellow River Delta.PEDOSPHERE,31(6),839-848.
MLA	Guo, Yang,et al."Impacts of land use and salinization on soil inorganic and organic carbon in the middle-lower Yellow River Delta".PEDOSPHERE 31.6(2021):839-848.