[1]张鸣,李昂,刘芳,等.民勤绿洲盐生草周围土壤盐渍化类型及其盐分离子相关性研究[J].水土保持研究,2015,22(03):56-60,66.
　ZHANG Ming,LI Ang,LIU Fang,et al.Study on Salt Ion Correlation and Salinization Types of Soil Around Halogeton glomeratus in Minqin Oasis[J].Research of Soil and Water Conservation,2015,22(03):56-60,66.
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民勤绿洲盐生草周围土壤盐渍化类型及其盐分离子相关性研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 22 期数: 2015年03期 页码: 56-60,66 栏目: 出版日期: 2015-06-28
Title:
Study on Salt Ion Correlation and Salinization Types of Soil Around Halogeton glomeratus in Minqin Oasis
作者:
张鸣1,2, 李昂1, 刘芳1,2, 吕亚娟1,2, 孙看军1,2
1. 兰州城市学院 化学与环境科学学院, 兰州 730070;
2. 城市环境污染控制高校省级重点实验室, 兰州 730070
Author(s):
ZHANG Ming1,2, LI Ang1, LIU Fang1,2, Lü Yajuan1,2, SUN Kanjun1,2
1. School of Chemistry and Environmental Science, Lanzhou City University, Lanzhou 730070, China;
2. Provincial Key Laboratory of Gansu Higher Education for City Environmental Pollution Control, Lanzhou 730070, China
关键词:
盐生草; 民勤绿洲; 盐渍化类型; 盐分离子; 相关性
Keywords:
Halogeton glomeratus; Minqin Oasis; salinization types; salt ions; correlation
分类号:
S156.4
摘要:
以民勤绿洲广泛分布的盐生植物盐生草为研究对象，对其周围不同距离范围内土壤盐渍化类型及盐分离子的相关性进行研究。结果表明：在距盐生草水平方向0—60 cm范围内，从阴离子组成来看，0—40 cm土层土壤盐渍化类型为氯化物—硫酸盐型，40—60 cm土层土壤为硫酸盐—氯化物型；从阳离子组成来看，0—40 cm土层土壤盐渍化类型为钙钠盐型，40—60 cm土层土壤为钠盐型。同时盐生草周围土壤（0—60 cm）盐分离子之间的Pearson相关分析结果和偏相关分析结果存在明显差异，其中偏相关分析相对能够更准确地反映多元变量其中两个变量之间的相关性，建议在研究类似盐分离子之间的相关性时采用偏相关分析。试验区盐生草周围土壤盐分离子的偏相关分析表明：距盐生草20，40 cm处，与土壤全盐含量相关性最高的阴阳离子分别为SO42-，Na+；距盐生草60 cm处，与土壤全盐含量相关性最高的阴阳离子分别为Cl-，Na+。可见，在盐生草周围土壤（0—60 cm）中，土壤盐分主要是氯化钠、氯化钙、硫酸钠和硫酸钙。
Abstract:
Correlation of salt ions and salinization types of soil around different distance ranges from Halogeton Glomeratus were studied by using Halogeton Glomeratus of halophyte widely distributing in Minqin Oasis as the research example. The results showed that 0—60 cm distance from the Halogeton glomeratus in the horizontal direction, anion component of 0—40 cm soil layer belonged to chloride-sulfate type and belonged to chloride-sulfate type in 40—60 cm soil layer, cation component in 0—40 cm soil layer belonged to calcium-sodium type, and belonged to sodium type in 40—60 cm soil layer. Pearson correlation analysis and partial correlation analysis had clear difference among salt ions of Halogeton Glomeratus surrounding 0—60 cm range soil. Partial correlation analysis could more exactly reflect the correlation between two variables in multivariate, therefore, it was suggested that partial correlation analysis should be used when studying a correlation between similar salt ions. The partial correlation analysis of salt ions in soil around Halogeton glomeratus showed that in the horizontal direction away from the Halogeton glomeratus 20 cm and 40 cm, SO42- and Na+ had the highest correlation with soil total salinity. In the horizontal direction away from the Halogeton glomeratus 60 cm, Cl- and Na+ had the highest correlation with soil total salinity. Thus, in the horizontal direction away from the Halogeton glomeratus 0—60 cm range, soil salinity mainly resulted from sodium chloride,calcium chloride, sodium sulfate and calcium sulfate.

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备注/Memo

收稿日期:2014-04-02;改回日期:2014-05-09。
基金项目:兰州城市学院校长科研创新基金项目（LZCU-XZ2014-13）；国家自然科学资助项目（30960060）；兰州城市学院教学研究项目（2012-JY-40）
作者简介:张鸣(1979-),女,甘肃临洮人,硕士,讲师,主要从事环境科学研究。E-mail:zhangminglbl@163.com

更新日期/Last Update: 1900-01-01