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题名: Root Radial Oxygen Loss and the Effects on Rhizosphere Microarea of Two Submerged Plants
作者: Tian, Cuicui1, 2; Wang, Chunbo1, 2; Tian, Yingying1, 2; Wu, Xingqiang1; Xiao, Bangding1
关键词: root radial oxygen loss ; phospholipid fatty acids ; rhizosphere ; microbial community ; submerged plant
刊名: POLISH JOURNAL OF ENVIRONMENTAL STUDIES
发表日期: 2015
卷: 24, 期:4, 页:1795-1802
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology
英文摘要: Radial oxygen loss (ROL) has been suggested to be a major process to protect plants exposed to the anaerobic by-products of soil anaerobiosis. The aim of the present study was to test the effects of root ROL from two submerged plants (Hydrilla verticillata and Vallisneria spiralis) on the rhizosphere oxygen profile and rhizosphere microarea. Phospholipid fatty acids (PLFAs) of sediment samples were used to characterize and quantify the microbial community. The results showed clearly that there were significant differences between the two plants in radial oxygen loss, which affected rhizosphere physicochemical parameters and the microbial community. Rhizosphere total biomass, bacteria, gram-positive bacteria, actinomycetes, and microbial diversity of V. spiralis were significantly higher than those of H. verticillata. The present study highlights root ROL as a key parameter affecting the microbial community of the rhizosphere microarea.
关键词[WOS]: MICROBIAL COMMUNITY STRUCTURE ; FATTY-ACID PROFILES ; WETLAND PLANTS ; NUTRIENT REMOVAL ; SOIL ; SEDIMENTS ; BACTERIAL ; GROWTH ; CHINA ; RICE
语种: 英语
WOS记录号: WOS:000358899400037
ISSN号: 1230-1485
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/25966
Appears in Collections:水环境工程研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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