Investigating Influential Factors on Bacterioplankton Community Composition: Results from a Field Study of Five Mesotrophic Lakes
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In order to investigate which biotic and abiotic factors may have an impact on the community composition of bacterioplankton, five mesotrophic lakes were studied. The composition of the bacterioplankton communities was determined by denaturing gradient gel electrophoresis (DGGE) of 16S rDNA. Multivariate statistical analyses of the gel patterns, in relation to each other and to the chemical, biological, and physical parameters of the lakes, were performed. The analyses showed that the import of allochthonous bacteria and the interaction with other plankton organisms (for example, grazing) in the lakes probably had an impact on the composition of the communities.
KeywordsElectrophoresis Field Study Community Composition Physical Parameter Influential Factor
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