干旱区生态环境知识资源中心(Arid): 艾比湖地区盐生植物群落土壤氮素的垂直分布特征

Arid

	艾比湖地区盐生植物群落土壤氮素的垂直分布特征
其他题名	Vertical Distribution of Soil Nitrogen under Halophyte Community in the Ebinur Lake Area
	高丽娟; 吕光辉; 王芸; 苏前; 张雪梅
来源期刊	干旱区研究
ISSN	1001-4675
出版年	2014
卷号	31 期号:1 页码:51-56
中文摘要	通过研究艾比湖地区9种盐生植物群落土壤剖面的氮素特征,揭示其影响因子。结果表明:①干旱区荒漠中盐生植物的土壤理化性质差异显著(P <0.05)。在整体上土壤氮素含量随土壤深度增加呈减小趋势,有效氮素形态为硝态氮。②土壤氮素与土壤理化性质的相关性:全氮和碱解氮与有机质呈极显著正相关(P <0.01);碱解氮和全氮与pH、硝态氮和无机氮与电导率相关性不显著。③土壤中硝态氮的主要影响因素为铵态氮、碱解氮、全氮和有机质,其次是容重和含水量,最后是土壤pH和电导率,其他因素是通过影响土壤有机质的积累和分解对其起作用。
英文摘要	Located in Xinjiang Uygur Autonomous Region in northwest China, the Ebinur Lake area plays a significant role for regional ecosystem. Study on soil nitrogen under 9 halophytes in this arid habitat could provide the basic data for soil improvement. A preliminary study on soil nitrogen content under the 9 halophytes was carried out. The results revealed that, in vertical profile, soil nitrogen content was holistically decreased with the increase of soil depth, soil nitrate nitrogen was the main form of available nitrogen in the study area. Soil nitrogen content was related to soil physicochemical properties, and there was a significant correlation (P < 0.01) among the content of total nitrogen, alkali-hydrolyzable nitrogen and organic matter in soil. The correlations among the contents of soil alkali-hydrolysable nitrogen, total nitrogen, pH value, nitrate nitrogen, inorganic nitrogen and electrical conductivity were not significant. The stepwise regression analysis revealed that the content of soil nitrate nitrogen was mainly affected by the contents of ammonium nitrogen, alkali-hydrolysable nitrogen, total nitrogen and soil organic matter, then by soil bulk density and soil moisture content, and finally by pH value and electrical conductivity. The content of soil nitrate nitrogen was affected by other factors through the accumulation and decomposition of soil organic matter.
中文关键词	土壤养分 ; 氮素 ; 盐生植物 ; 相关系数 ; 回归分析 ; 垂直分布 ; 艾比湖 ; 新疆
英文关键词	soil nutrient soil nitrogen halophyte correlation coefficient vertical distribution regression analysis Ebinar Lake Xinjiang
语种	中文
国家	中国
收录类别	CSCD
WOS类目	ENVIRONMENTAL SCIENCES
WOS研究方向	Environmental Sciences & Ecology
CSCD记录号	CSCD:5042270
来源机构	新疆大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/231155
作者单位	新疆大学资源与环境科学学院, 新疆绿洲生态重点实验室, 乌鲁木齐, 新疆 830046, 中国
推荐引用方式 GB/T 7714	高丽娟,吕光辉,王芸,等. 艾比湖地区盐生植物群落土壤氮素的垂直分布特征[J]. 新疆大学,2014,31(1):51-56.
APA	高丽娟,吕光辉,王芸,苏前,&张雪梅.(2014).艾比湖地区盐生植物群落土壤氮素的垂直分布特征.干旱区研究,31(1),51-56.
MLA	高丽娟,et al."艾比湖地区盐生植物群落土壤氮素的垂直分布特征".干旱区研究 31.1(2014):51-56.