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Microbial biomass and community composition in boreal lake sediments
Umeå University, Faculty of Science and Technology, Department of Ecology and Environmental Sciences. ARCUM. (Climate Impacts Research Centre (CIRC))ORCID iD: 0000-0002-4949-9792
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2011 (English)In: Limnology and Oceanography, Vol. 56, no 2, 725-733 p.Article in journal (Refereed) Published
Abstract [en]

We used phospholipid fatty acids (PLFA) to determine microbial biomass and community structure in the sediments of eight boreal lakes with different loadings of allochthonous organic carbon and total phosphorus (TP) in the water during the course of a year. The total concentration of PLFA, an estimate of the microbial biomass, depended more on TP, a proxy for pelagic primary production, but not on dissolved organic carbon, a proxy for terrestrial organic carbon input. The composition of PLFAs varied considerably over time, demonstrating seasonal dynamics in microbial community composition. When PLFA profiles in all lakes and seasons are compared, community composition is more similar within season than within lakes.

Place, publisher, year, edition, pages
2011. Vol. 56, no 2, 725-733 p.
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:umu:diva-130890OAI: oai:DiVA.org:umu-130890DiVA: diva2:1070193
Note

765BGTimes Cited:0Cited References Count:46

Available from: 2017-01-31 Created: 2017-01-31 Last updated: 2017-01-31

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Gudasz, Cristian
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