检索结果-南通市图书馆

Effect of invasion by Hyptis suaveolens on plant diversity and selected soil properties of a constructed tropical grassland

引用

Journal of Plant Ecology 2018年第5期11卷 751-760页

作者： Talat Afreen Pratap Srivastava Hema singh jamuna sharan singh Ecosystems Analysis Laboratory Department of BotanyInstitute of ScienceBanaras Hindu UniversityVaranasi 221005India

Aims Hyptis suaveolens(L.)Poit is an important invader of the tropical and sub-tropical regions of the *** our study,it has been inves-tigated that how does the *** invasion regulate plant spe-cies diversity across the seasons in the dry tropical *** hypothesized that a shift in soil inorganic-N availability is caused by invasion,and this shift is integral to access the invasion effect on plant *** The study was performed in experimental plots at the Botanical Garden of the Banaras Hindu University(25°16′3.3″N and 82°59′22.7″E),Varanasi,Uttar Pradesh,*** replicates(each,2×2m)of non-invaded grassland plots(NIG)and five grassland plots invaded with ***(IG)were *** plots were constructed by transplanting indigenous grassland patches from an adjacent native *** the invaded plots,20 indi-viduals of *** were transplanted per *** 1 year of establishment,diversity attributes and soil properties were recorded from these plots in three seasons as per standard *** Findings The results indicated that Hyptis invasion negatively affects plant diversity,with relatively higher impact in rainy season as compared to the winter *** exhibited lower soil mois-ture content and temperature than NIG in rainy season,whereas soil ammonium-N,nitrate-N,total inorganic-N,N mineralization registered higher values for IG than NIG in both rainy and win-ter *** indices were negatively correlated with soil inorganic-N pool and N ***,these indices were positively correlated with microbial biomass carbon(MBC),and the correlation coefficient for this relationship was higher for rainy season as compared to *** richness(r=0.65)and Shannon diversity(r=0.757)were significantly correlated with the ratio of ammonium-N to *** negative effect of invasion by *** on the plant diversity is possibly mediated by the effect of invasion on N min

关键词： dry tropical grassland diversity Hyptis suaveolens mineralization soil ammonium to nitrate ratio

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：