The Effects of Radiation Pollution on the Population Diversities and Metabolic Characteristics of Soil Microorganisms
文献类型： 外文期刊
作者： Gu, Meiying 1 ; Zhang, Zhidong 1 ; Wang, Wei 1 ; Tang, Qiyong 1 ; Song, Suqing 1 ; Zhu, Jing 1 ; Xie, Yuqing 1 ; Zhang, L 1 ;
作者机构： 1.Xinjiang Acad Agr Sci, Inst Microbiol, Urumqi 830091, Xinjiang, Peoples R China
2.Xinjiang Lab Special Enviromental Microbiol, Urumqi 830091, Xinjiang, Peoples R China
关键词： Soil radiation pollution;Culturable microorganisms diversity;Microbial metabolic properties;Biolog
期刊名称：WATER AIR AND SOIL POLLUTION （ 影响因子：2.52； 五年影响因子：2.574 ）
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收录情况： SCI
摘要： The effects of radiation pollution on the population diversities and metabolic characteristics in soil microorganisms from radiation pollution areas were investigated. Microbial diversities were determined by using methods of cultured isolates and carbon source utilization on Biolog EcoPlate?. The results showed that radiation changed soil microbial community structure and function. With the increasing of radiation pollution, the number of bacteria and actinomycetes declined gradually. Carbon utilizations of microbial community were significant ly different from each other (p＜0.05). Microbial activity decreased gradually; Simpson index and McIntosh index increased, but Shannon-Wiener index was not significant different; the major utilized substrates indicated that microbes more tend to use carboxylic acids and polymers as carbon sources, instead of carbohydrates. In conclusion, the community composition of microorganisms as well as population diversity in soils was impacted obviously by radiation pollution.
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