|本期目录/Table of Contents|

[1]刘薇,吕光辉,魏雪峰,等.AM真菌多样性与植物多样性耦合关系及其对水盐梯度的响应[J].江苏农业科学,2018,46(09):252-256.
 Liu Wei,et al.Coupling relationship between arbuscular mycorrhiza fungi diversity and plant diversity and its response to soil water and salinity gradient[J].Jiangsu Agricultural Sciences,2018,46(09):252-256.
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AM真菌多样性与植物多样性耦合关系
及其对水盐梯度的响应
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第46卷
期数:
2018年09期
页码:
252-256
栏目:
资源与环境
出版日期:
2018-05-05

文章信息/Info

Title:
Coupling relationship between arbuscular mycorrhiza fungi diversity and plant diversity and its response to soil water and salinity gradient
作者:
刘薇12 吕光辉23 魏雪峰12 龚雪伟12
1.新疆大学资源与环境科学学院,乌鲁木齐 830046; 2.绿洲生态教育部重点实验室,新疆乌鲁木齐 830046;
3.新疆大学干旱生态环境研究所,新疆乌鲁木齐 830046
Author(s):
Liu Weiet al
关键词:
荒漠生态系统丛枝菌根真菌荒漠植物α多样性β多样性
Keywords:
-
分类号:
Q948.12;S181
DOI:
-
文献标志码:
A
摘要:
选取具有水盐梯度特征的3个典型样地,研究干旱荒漠中土壤水盐含量对AM真菌与植物多样性耦合关系的影响。结果表明:(1)植物α多样性指数在不同水盐梯度上呈显著性差异;β多样性显示,随水盐梯度的变化,植物群落演替过程趋于选择能适应高盐多水和低盐极少水的极端环境的耐盐植物和耐旱植物。(2)各样地AM真菌的α多样性表现为随水盐逐渐降低而降低;β多样性显示,随水盐梯度的下降,AM真菌群落之间的共有种减少,群落演替速率加快,这种变化趋势与植物群落相反。(3)植物与AM真菌的相同α多样性指数间均呈正相关关系,体现了AM真菌对宿主植物和土壤水盐含量的双重响应;随着土壤水盐梯度由多盐多水向少盐少水发展,群落最终的演替成为组成较为简单的群落,相对于植物而言,AM真菌演替的速率较大。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2016-12-08
基金项目:国家自然科学基金(编号:31560131)。
作者简介:刘薇(1990—),女,硕士研究生,主要从事干旱区生态环境演变等研究。E-mail:3061292985@qq.com。
通信作者:吕光辉,教授,博士生导师,主要从事干旱区生态学教学和科研工作。E-mail:ler@xju.edu.cn。
更新日期/Last Update: 2018-05-05