入侵斑马草对土壤细菌多样性和群落组成的影响

IF 1.3 4区 环境科学与生态学 Q3 ECOLOGY
P. Zhu, Wei Wei, X. Bai, N. Wu, Yuping Hou
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引用次数: 6

摘要

摘要:红草是一种在中国广泛分布的外来植物,对当地生态系统有害;然而,人们对其对土壤微生物群落的影响知之甚少。为此,本研究采用16S rRNA基因测序技术研究了红木对土壤细菌群落的影响,并通过温室试验比较了红木与本地种(Rhus chinensis Mill.)和非入侵外来种(Amorpha fruticosa L.和Robinia pseudoacacia L.)对土壤细菌群落的影响。相较于柽柳和金银花,斑草降低了土壤细菌群落的多样性。与其他土壤相比,斑霉土壤放线菌较多,变形菌和酸性菌较少。放线菌中Nocardioides和Streptomyces的相对丰度存在差异,这可能有利于伤寒杆菌的生长。然而,与斑霉相关的土壤细菌群落结构与其他物种没有显著差异。全碳、钾和硝态氮浓度是影响土壤细菌相对丰度的主要土壤因子。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effects of Invasive Rhus typhina L. on Bacterial Diversity and Community Composition in Soil
ABSTRACT Rhus typhina L., an exotic plant that is widely distributed in China, is harmful to native ecosystems; however, little is known about its effects on soil microbial communities. Therefore, we investigated the effects of R. typhina on soil bacterial communities by 16S rRNA gene sequencing and compared the effects of R. typhina and native (Rhus chinensis Mill.) and non-invasive exotic species (Amorpha fruticosa L. and Robinia pseudoacacia L.) on soil bacterial communities via a greenhouse experiment. R. typhina decreased the diversity of the soil bacterial community compared with R. chinensis, and A. fruticosa. R. typhina soil was characterized by more Actinobacteria and lesser Proteobacteria and Acidobacteria than the other soils. Among Actinobacteria members, there was a difference in the relative abundance of Nocardioides and Streptomyces, and this could be advantageous for the growth of R. typhina. However, there was no significant difference in the soil bacterial community structure associated with R. typhina and other species. Moreover, the concentrations of total carbon, potassium, and nitrate were found to be the major soil factors influencing the relative abundance of soil bacteria.
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来源期刊
Ecoscience
Ecoscience 环境科学-生态学
CiteScore
2.80
自引率
0.00%
发文量
13
审稿时长
>36 weeks
期刊介绍: Écoscience, is a multidisciplinary journal that covers all aspects of ecology. The journal welcomes submissions in English or French and publishes original work focusing on patterns and processes at various temporal and spatial scales across different levels of biological organization. Articles include original research, brief communications and reviews.
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