干旱区生态环境知识资源中心(Arid): 干旱区绿洲土壤pH值与电导率的空间变异研究

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	干旱区绿洲土壤pH值与电导率的空间变异研究
其他题名	Study on Spatial Variability of Soil pH Value and Conductivity in Arid Oases
	康璇 1; 王雪梅 2; 赵枫 2
来源期刊	西南农业学报
ISSN	1001-4829
出版年	2016
卷号	29 期号:11 页码:2660-2664
中文摘要	本文以渭干河-库车河三角洲绿洲为研究对象,通过野外样品采集,室内分析及统计分析对土壤pH值与电导率的空间变异性进行研究,结果表明:①研究区土壤pH值在20 ~ 40 cm土层具有较大变幅,且值大于0 ~ 20 cm土层,而电导率在0 ~ 20 cm土层变化显著,且数值高于20 ~ 40 cm土层。②土壤电导率和20 ~ 40 cm土层pH值的空间分异是由结构性因素和随机性因素共同作用的结果;而0 ~ 20 cm的土壤pH值主要受随机性因素的影响,造成土壤pH值具有一定程度的空间变异性。③研究区土壤电导率的高值集中分布在东部,土壤电导率由渭-库绿洲冲、洪积扇平原的中部向外递增。在0 ~ 20 cm土层中,研究区北部、东北部及东部的土壤偏碱性,在20 ~ 40 cm土层中,西北部、南部土壤偏碱性,研究区中部及其他大部分区域均偏中性。通过对渭干河库车河三角洲绿洲土壤pH值与电导率空间变异的研究,可对绿洲土壤盐渍化特征及其空间格局分布规律进行有效评价,以期为维护绿洲生态系统健康及盐碱地的改良提供参考依据。
英文摘要	Taking Weigan-Kuqa River Delta Oasis as the object of study,through the field samples,laboratory and statistical analysis of the spatial variation of soil pH value and conductivity were carried out.The results show that(i) The soil pH values in the study area had a large variation in 20 - 40 cm soil layer,and the value was greater than that of 0 - 20 cm,while the electrical conductivity of the soil layer in 0 - 20 cm was significantly higher than that in 20 - 40 cm soil layer.(ii) The spatial variation of soil electrical conductivity and pH values of 20- 40 cm soil layer was determined by the structural factors and random factors,while the soil pH values of 0 - 20 cm were mainly influenced by random factors,which resulted in the spatial variability of soil pH values.(iii) The study area of soil electrical conductivity high concentration distribute in the East,soil electrical conductivity by the Weigan-Kuqa River Oasis alluvial plain in the middle of the outward increments.In the 0 - 20 cm soil layer,the soil in the north,northeast and east of the study area is alkaline,and in the 20 - 40 cm soil layer, the soil in the northwest and south of the soil is alkaline,and the middle part of the study area and most of the other regions are neutral.The study of the soil pH value and conductivity in Weigan-Kuqa River Delta Oasis can effectively evaluate the oasis soil salinization characteristics and spatial pattern of distribution,in order to provide reference for the maintenance the healthy of oasis ecosystem and the improve soil salinization.
中文关键词	空间变异 ; 土壤pH值与电导率 ; 渭干河- 库车河三角洲绿洲
英文关键词	Spatial variation Soil pH Conductivity Weigan-Kuqa River Delta Oasis
语种	中文
国家	中国
收录类别	CSCD
WOS类目	AGRICULTURE MULTIDISCIPLINARY
WOS研究方向	Agriculture
CSCD记录号	CSCD:5874009
来源机构	新疆师范大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/235176
作者单位	1.新疆师范大学地理科学与旅游学院, 乌鲁木齐, 新疆 830054, 中国; 2.新疆师范大学地理科学与旅游学院, 新疆维吾尔自治区重点实验室新疆干旱区湖泊环境与资源实验室, 乌鲁木齐, 新疆 830054, 中国
推荐引用方式 GB/T 7714	康璇,王雪梅,赵枫. 干旱区绿洲土壤pH值与电导率的空间变异研究[J]. 新疆师范大学,2016,29(11):2660-2664.
APA	康璇,王雪梅,&赵枫.(2016).干旱区绿洲土壤pH值与电导率的空间变异研究.西南农业学报,29(11),2660-2664.
MLA	康璇,et al."干旱区绿洲土壤pH值与电导率的空间变异研究".西南农业学报 29.11(2016):2660-2664.