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globalchange > 过去全球变化的重建

DOI:	10.1371/journal.pone.0113524
论文题名:	Spatio-Temporal Patterns of Major Bacterial Groups in Alpine Waters
作者:	Remo Freimann; Helmut Bürgmann; Stuart E. G. Findlay; Christopher T. Robinson
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2014
发表日期:	2014-11-19
卷:	9, 期:11
语种:	英语
英文关键词:	Sediment ; Phylogenetics ; Ellipses ; Ecosystem functioning ; Bacteria ; Habitats ; Surface water ; Thermal conductivity
英文摘要:	Glacial alpine landscapes are undergoing rapid transformation due to changes in climate. The loss of glacial ice mass has directly influenced hydrologic characteristics of alpine floodplains. Consequently, hyporheic sediment conditions are likely to change in the future as surface waters fed by glacial water (kryal) become groundwater dominated (krenal). Such environmental shifts may subsequently change bacterial community structure and thus potential ecosystem functioning. We quantitatively investigated the structure of major bacterial groups in glacial and groundwater-fed streams in three alpine floodplains during different hydrologic periods. Our results show the importance of several physico-chemical variables that reflect local geological characteristics as well as water source in structuring bacterial groups. For instance, Alpha-, Betaproteobacteria and Cytophaga-Flavobacteria were influenced by pH, conductivity and temperature as well as by inorganic and organic carbon compounds, whereas phosphorous compounds and nitrate showed specific influence on single bacterial groups. These results can be used to predict future bacterial group shifts, and potential ecosystem functioning, in alpine landscapes under environmental transformation.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0113524&type=printable
Citation statistics:
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/18267
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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File Name/ File Size	Content Type	Version	Access	License
journal.pone.0113524.PDF（1713KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

Institute of Molecular Health Sciences, Professorship of Genetics, ETH Zurich, Zurich, Switzerland;Department of Aquatic Ecology, Swiss Federal Institute of Aquatic Science and Technology, Eawag, Dübendorf, Switzerland and Institute of Integrative Biology, ETH-Zurich, Zurich, Switzerland;Department of Surface Waters – Research and Management, Swiss Federal Institute of Aquatic Science and Technology, Eawag, Kastanienbaum, Switzerland;Cary Institute of Ecosystem Studies, Millbrook, New York, United States of America;Department of Aquatic Ecology, Swiss Federal Institute of Aquatic Science and Technology, Eawag, Dübendorf, Switzerland and Institute of Integrative Biology, ETH-Zurich, Zurich, Switzerland

Recommended Citation:

Remo Freimann,Helmut Bürgmann,Stuart E. G. Findlay,et al. Spatio-Temporal Patterns of Major Bacterial Groups in Alpine Waters[J]. PLOS ONE,2014-01-01,9(11)

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