Analysis of the Influence of Oil Pollution on the Bacterial Component of Groundwater in a Karst Region on the Territory of a Long-term Developed Oil Field

D.O. Egorova, S. Buzmakov, P. Sannikov, Yu.V. Khotianovskaia
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Abstract

The influence of oil pollution of groundwater in a karst region onto the bacterial component was studied. It has been established that bacteria are present in groundwater in an amount of 103–106 cells/ml. Representatives of the genus Arthobacter, Microbacterium, Rhodococcus, Williamsia (phylum Actinobacteria), Achromobacter and Pseudomonas (phylum Proteobacteria), Bacillus and Brevibacteria (phylum Firmicutes) were revealed. The state of the microbial component of the studied groundwater was analyzed according to the scale of environmental modifications. It was concluded that, with the exception of the release of groundwater at a site 320 m away from the oil field facilities, bacteriocenoses are in a state of "anthropogenic ecological stress".
分析石油污染对长期开发油田区域岩溶地区地下水细菌成分的影响
研究了岩溶地区地下水石油污染对细菌成分的影响。已确定地下水中的细菌数量为 103-106 个细胞/毫升。研究发现了节杆菌属、微杆菌属、红球菌属、威廉姆斯菌属(放线菌门)、 Achromobacter 和假单胞菌属(蛋白菌门)、芽孢杆菌属和 Brevibacteria(固着菌门)。根据环境变化的程度分析了所研究地下水中微生物成分的状况。结论是,除了距离油田设施 320 米处的地下水排放外,其他地方的细菌均处于 "人为生态压力 "状态。
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