Investigating Influential Factors on Bacterioplankton Community Composition: Results from a Field Study of Five Mesotrophic Lakes |
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Authors: | Lindström ES |
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Institution: | (1) Department of Limnology, Evolutionary Biology Centre, Uppsala University, Norbyv. 20, SE-752 36 Uppsala, Sweden, SE |
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Abstract: | 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. |
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Keywords: | |
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