Bacterial production in the recently flooded Sep Reservoir: Diel changes in relation to dissolved carbohydrates and combined amino acid

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DOIResolve DOI: http://doi.org/10.1007/s10750-006-0039-x
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TypeArticle
Journal titleHydrobiologia
Volume563
Issue1
Pages421430; # of pages: 10
SubjectCarbohydrates; env; reservoir; bacteria; combined amino acids; new reservoir; phytoplankton; bacteria; bacterioplankton; biomass; carbohydrates; carbon; food web; growth efficiency; lake; mestrophic; new reservoir; organic matter; phytoplankton; planktonic bacteria; water
AbstractThe spatial distribution of bacterial abundance and production were measured every 4 h in a recently flooded oligo-mesotrophic reservoir (the Sep Reservoir, Puy-De-Dome, France), in relation to concentrations of dissolved carbohydrates and combined amino acids. The concentration of dissolved organic matter (DOM) components in the recently flooded Sep Reservoir were higher than those measured in other lakes of similar trophic status. Short-term variations in the bacterial production in this new reservoir appeared cyclical and endogenous to bacterial communities. These results highlight the need for the evaluation of diel changes in bacterial production, if estimation of the daily production rate of bacteria is to be done accurately for a reliable model of carbon flow through bacterioplankton and ultimately through aquatic microbial food webs. Bacterial growth, measured over time and space, did not appear exclusively governed by DOM components from phytoplankton primary production.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Biotechnology Research Institute
Peer reviewedNo
NRC number49068
NPARC number3539788
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Record identifierd972a46a-70e7-4b77-bbc9-8e82975206d4
Record created2009-03-01
Record modified2016-05-09
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