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题名: Effect of long-term industrial waste effluent pollution on soil enzyme activities and bacterial community composition
作者: Subrahmanyam, Gangavarapu; Shen, Ju-Pei; Liu, Yu-Rong; Archana, Gattupalli; Zhang, Li-Mei
刊名: ENVIRONMENTAL MONITORING AND ASSESSMENT
出版日期: 2016-02
卷号: 188, 期号:2, 页码:-
关键词: Industrial waste effluent ; Long-term pollution ; Soil enzyme activity ; 16S rRNA gene ; Denaturing gradient gel electrophoresis ; Biological indicators
DOI: 10.1007/s10661-016-5099-4
部门归属: 土壤环境科学实验室
英文摘要: Although numerous studies have addressed the influence of exogenous pollutants on microorganisms, the effect of long-term industrial waste effluent (IWE) pollution on the activity and diversity of soil bacteria was still unclear. Three soil samples characterized as uncontaminated (R1), moderately contaminated (R2), and highly contaminated (R3) receiving mixed organic and heavy metal pollutants for more than 20 years through IWE were collected along the Mahi River basin, Gujarat, western India. Basal soil respiration and in situ enzyme activities indicated an apparent deleterious effect of IWE on microbial activity and soil function. Community composition profiling of soil bacteria using 16S rRNA gene amplification and denaturing gradient gel electrophoresis (DGGE) method indicated an apparent bacterial community shift in the IWE-affected soils. Cloning and sequencing of DGGE bands revealed that the dominated bacterial phyla in polluted soil were affiliated with Firmicutes, Acidobacteria, and Actinobacteria, indicating that these bacterial phyla may have a high tolerance to pollutants. We suggested that specific bacterial phyla along with soil enzyme activities could be used as relevant biological indicators for long-term pollution assessment on soil quality.
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内容类型: 期刊论文
URI标识: http://ir.rcees.ac.cn/handle/311016/36247
Appears in Collections:土壤环境科学实验室_期刊论文

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