globalchange  > 气候变化与战略
DOI: 10.5194/hess-23-139-2019
论文题名:
Microbial community changes induced by Managed Aquifer Recharge activities: Linking hydrogeological and biological processes
作者: Barba C.; Folch A.; Gaju N.; Sanchez-Vila X.; Carrasquilla M.; Grau-Martínez A.; Martínez-Alonso M.
刊名: Hydrology and Earth System Sciences
ISSN: 1027-5606
出版年: 2019
卷: 23, 期:1
起始页码: 139
结束页码: 154
语种: 英语
Scopus关键词: Aquifers ; Biodegradation ; Ecosystems ; Electrophoresis ; Forestry ; Groundwater pollution ; Groundwater resources ; Infiltration ; Microorganisms ; Population statistics ; Soils ; Water quality ; Biodegradation process ; Denaturing gradient gel electrophoreses (DGGE) ; DNA sequence analysis ; Intermediate disturbance hypothesis ; Managed aquifer recharges ; Microbial communities ; Microbial eco system ; Microbial populations ; Recharging (underground waters) ; aquifer ; bacterium ; biodegradation ; biological analysis ; community dynamics ; groundwater ; hydrogeology ; induced response ; infiltration ; microbial community ; water quality ; water resource ; Spain ; Bacteria (microorganisms) ; Vogesella
英文摘要: Managed Aquifer Recharge (MAR) is a technique used worldwide to increase the availability of water resources. We study how MAR modifies microbial ecosystems and its implications for enhancing biodegradation processes to eventually improve groundwater quality. We compare soil and groundwater samples taken from a MAR facility located in NE Spain during recharge (with the facility operating continuously for several months) and after 4 months of no recharge. The study demonstrates a strong correlation between soil and water microbial prints with respect to sampling location along the mapped infiltration path. In particular, managed recharge practices disrupt groundwater ecosystems by modifying diversity indices and the composition of microbial communities, indicating that infiltration favors the growth of certain populations. Analysis of the genetic profiles showed the presence of nine different bacterial phyla in the facility, revealing high biological diversity at the highest taxonomic range. In fact, the microbial population patterns under recharge conditions agree with the intermediate disturbance hypothesis (IDH). Moreover, DNA sequence analysis of excised denaturing gradient gel electrophoresis (DGGE) band patterns revealed the existence of indicator species linked to MAR, most notably Dehalogenimonas sp.Nitrospira sp. and Vogesella sp. Our real facility multidisciplinary study (hydrological, geochemical and microbial), involving soil and groundwater samples, indicates that MAR is a naturally based, passive and efficient technique with broad implications for the biodegradation of pollutants dissolved in water. © 2019 Author(s).
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/163081
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作者单位: Barba, C., Department of Civil and Environmental Engineering, Universitat Politècnica de Catalunya (UPC), C/Jordi Girona 1-3, Barcelona, 08034, Spain, Associated Unit: Hydrogeology Group (UPC-CSIC), Barcelona, Spain; Folch, A., Department of Civil and Environmental Engineering, Universitat Politècnica de Catalunya (UPC), C/Jordi Girona 1-3, Barcelona, 08034, Spain, Associated Unit: Hydrogeology Group (UPC-CSIC), Barcelona, Spain; Gaju, N., Department of Genetics and Microbiology, Universitat Autònoma de Barcelona (UAB), Bellaterra, 08193, Spain; Sanchez-Vila, X., Department of Civil and Environmental Engineering, Universitat Politècnica de Catalunya (UPC), C/Jordi Girona 1-3, Barcelona, 08034, Spain, Associated Unit: Hydrogeology Group (UPC-CSIC), Barcelona, Spain; Carrasquilla, M., Department of Genetics and Microbiology, Universitat Autònoma de Barcelona (UAB), Bellaterra, 08193, Spain; Grau-Martínez, A., Grup de Mineralogia Aplicada i Geoquímica de Fluids, Departament de Mineralogia, Petrologia i Geologia Aplicada, Facultat de Ciències de la Terra, Universitat de Barcelona (UB), C/Martí i Franquès s/n, Barcelona, 08028, Spain; Martínez-Alonso, M., Department of Genetics and Microbiology, Universitat Autònoma de Barcelona (UAB), Bellaterra, 08193, Spain

Recommended Citation:
Barba C.,Folch A.,Gaju N.,et al. Microbial community changes induced by Managed Aquifer Recharge activities: Linking hydrogeological and biological processes[J]. Hydrology and Earth System Sciences,2019-01-01,23(1)
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