Arid
DOI10.1016/j.ecoleng.2017.06.031
Spatiotemporal heterogeneity of soil water and salinity after establishment of dense-foliage Tamarix chinensis on coastal saline land
Feng, Xiaohui1,2; An, Ping3; Li, Xiaoguang1,2; Guo, Kai1; Yang, Ce1,2; Liu, Xiaojing1
通讯作者Liu, Xiaojing
来源期刊ECOLOGICAL ENGINEERING
ISSN0925-8574
EISSN1872-6992
出版年2018
卷号121页码:104-113
英文摘要

Dense-foliage tamarisk (Tamarix chinensis) varieties are widely planted for landscape construction projects in the highly saline coastal soil of northern China. Because these plants are salt-secreting halophytes, their growth in arid land usually leads to soil salinization and water loss. In this work, a tamarisk plantation was established in a coastal area within a semi-arid region of China, and the water content, salinity levels and spatial distribution patterns in the soil were analysed in 1 x 1 m grids of a 10 x 10 m sample plot in July 2014 and July 2016. Four layers of soil within the 0-80 cm profile were sampled, and the soil water, salt, Na+ and Cl- contents and pH were determined. In 2016, the soil water content had decreased slightly, and the soil salt content had increased by 0.49 g kg(-1), representing a 7.0% increase compared with the value in 2014. Both the soil Cl- and Na+ content increased from 2014 to 2016, accounting for a greater fraction of the total salt, and the mean soil pH also increased by approximately 0.4. The spatial variation was weaker in the deeper layers but moderate in the surface layer. After tamarisk establishment, the spatial variation in soil salinity declined and showed a trend toward homogeneity. The secreted salt and litterfall from the tamarisk might explain the higher soil salinity and increased homogeneity, which suggests that tamarisk growth will lead to increased soil salinity and a more homogeneous salt distribution throughout the soil. (C) 2017 Elsevier B.V. All rights reserved.


英文关键词Coastal saline soil Tamarix chinensis Spatial variation Chloride Sodium
类型Article
语种英语
国家Peoples R China ; Japan
收录类别SCI-E
WOS记录号WOS:000444920400014
WOS关键词ELECTROMAGNETIC INDUCTION ; SPATIAL HETEROGENEITY ; RECLAMATION AREA ; DRIP-IRRIGATION ; EASTERN CHINA ; SANDY LAND ; VEGETATION ; VARIABILITY ; RAMOSISSIMA ; SALTCEDAR
WOS类目Ecology ; Engineering, Environmental ; Environmental Sciences
WOS研究方向Environmental Sciences & Ecology ; Engineering
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/208709
作者单位1.Chinese Acad Sci, Inst Genet & Dev Biol, Ctr Agr Resources Res, Key Lab Agr Water Resources, 286 Huaizhong Rd, Shijiazhuang 050023, Hebei, Peoples R China;
2.Univ Chinese Acad Sci, 19 A Yuquan Rd, Beijing 100049, Peoples R China;
3.Tottori Univ, Arid Land Res Ctr, 1390 Hamasaka, Tottori 6800001, Japan
推荐引用方式
GB/T 7714
Feng, Xiaohui,An, Ping,Li, Xiaoguang,et al. Spatiotemporal heterogeneity of soil water and salinity after establishment of dense-foliage Tamarix chinensis on coastal saline land[J],2018,121:104-113.
APA Feng, Xiaohui,An, Ping,Li, Xiaoguang,Guo, Kai,Yang, Ce,&Liu, Xiaojing.(2018).Spatiotemporal heterogeneity of soil water and salinity after establishment of dense-foliage Tamarix chinensis on coastal saline land.ECOLOGICAL ENGINEERING,121,104-113.
MLA Feng, Xiaohui,et al."Spatiotemporal heterogeneity of soil water and salinity after establishment of dense-foliage Tamarix chinensis on coastal saline land".ECOLOGICAL ENGINEERING 121(2018):104-113.
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