期刊
BIOCHEMICAL SYSTEMATICS AND ECOLOGY
卷 66, 期 -, 页码 312-318出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bse.2016.04.008
关键词
Microbial communities; Physicochemistry; River; Sediments; Ecology-types
资金
- University Science and Technology Innovation Team Construction Projects of Heilongjiang Province [2013TD003]
- China Postdoctoral Science Foundation Funded Project [2015M580272]
Sediments and their associated microbial communities are a vital part of riverine ecosystems. In order to understand the effects of ecology-types on microbial communities in the riverine sediments, the sediments and water samples were collected from several ecology-types along the Songhua River, and characterized in several ways. We analyzed the microbial communities in the sediments using denaturing gradient gel electrophoresis (DGGE). Furthermore, we determined environmental parameters, such as organic matter, nutrients (total N and P) and particle size distribution. The results revealed that the sediments are grouped by ecology-types along the river, but not by their geographical location. Longitude, latitude and elevation were also partially correlated with microbial community composition. This study suggests that sites of similar ecology-types affect the microbial communities in a similar manner, and result in increased heterogeneity in ecological landscapes. (C) 2016 Elsevier Ltd. All rights reserved.
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