盐碱地柽柳“盐岛”和“肥岛”效应及其碳氮磷生态化学计量学特征
其他题名Characteristics of 'salt island' and 'fertile island' for Tamarix chinensis and soil carbon,nitrogen and phosphorus ecological stoichiometry in saline-alkali land
张立华; 陈小兵; Chen, Xiao-Bing. Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of coastal Zone Research, Chinese Academy of Sciences, Yantai; Shandong, China. Email:xbchen@yic.ac.cn
2015
发表期刊应用生态学报
ISSN1001-9332
卷号26期号:3页码:653-658
产权排序中国科学院烟台海岸带研究所
摘要为了探讨“盐岛”和“肥岛”效应影响下盐碱土的养分特征,对黄河三角洲盐碱地柽柳植株周围不同土层的pH值、电导率和碳氮磷含量及其生态化学计量学特征进行了研究.结果表明:土壤pH和电导率均随土层的加深而升高,0~20 cm 土层土壤电导率随离植株距离的增加而降低,全磷含量则升高.20~40 cm 土层土壤有机碳、全氮、N/P和C/P随离柽柳植株距离的增加而降低,C/N则升高.随着土层的加深,有机碳和全氮均呈降低趋势,而全磷则先降低后升高.土壤pH与电导率呈显著正相关,且二者与土壤碳氮磷及其生态化学计量比之间均呈显著负相关.
其他摘要To clarify the nutrient characteristics of 'salt island' and 'fertile island' effects in saline-alkali soil, the native Tamarix chinensis of the Yellow River Delta (YRD) was selected to measure its soil pH,electrical conductivity (EC), organic carbon (SOC),total nitrogen (N),total phosphorus (P) and their stoichiometry characteristics at different soil depths. The results showed that soil pH and EC increased with the increasing soil depth. Soil EC and P in the 0-20 cm layer decreased and increased from canopied area to interspace,respectively. SOC,N,N/P and C/P in the 20-40 cm soil layer decreased, and C/N increased from the shrub center to interspace. SOC and N contents between island and interspace both decreased but P content decreased firstly and then increased with the increasing soil depth. Soil pH correlated positively with EC. In addition, pH and EC correlated negatively with C,N,P contents and their ecological stoichiometry.
关键词柽柳 肥岛 盐碱地
作者部门中科院海岸带环境过程与生态修复重点实验室
学科领域农学
项目资助者国家自然科学基金项目( 41201293) ; 海洋公益性行业科研专项 ( 201105020)
收录类别EI
文章类型期刊论文
语种中文
CSCD记录号CSCD:5373930
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/8388
专题中科院海岸带环境过程与生态修复重点实验室
通讯作者Chen, Xiao-Bing. Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of coastal Zone Research, Chinese Academy of Sciences, Yantai; Shandong, China. Email:xbchen@yic.ac.cn
作者单位中国科学院烟台海岸带研究所
第一作者单位中国科学院烟台海岸带研究所
推荐引用方式
GB/T 7714
张立华,陈小兵,Chen, Xiao-Bing. Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of coastal Zone Research, Chinese Academy of Sciences, Yantai,等. 盐碱地柽柳“盐岛”和“肥岛”效应及其碳氮磷生态化学计量学特征[J]. 应用生态学报,2015,26(3):653-658.
APA 张立华,陈小兵,Chen, Xiao-Bing. Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of coastal Zone Research, Chinese Academy of Sciences, Yantai,&Shandong, China. Email:xbchen@yic.ac.cn.(2015).盐碱地柽柳“盐岛”和“肥岛”效应及其碳氮磷生态化学计量学特征.应用生态学报,26(3),653-658.
MLA 张立华,et al."盐碱地柽柳“盐岛”和“肥岛”效应及其碳氮磷生态化学计量学特征".应用生态学报 26.3(2015):653-658.
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