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Viktoria Unger

Microbial community dynamics and methane cycling in rewetted temperate fens

Universität Rostock, 2020

https://doi.org/10.18453/rosdok_id00003627

Abstract: Changes in land use and climate influence the methane balance of fen peatlands, and the peat microbial communities involved in methane transformation. Microbial communities, however, have rarely been studied in fens in this context. In this thesis, I used high-throughput 16S rRNA gene amplicon sequencing of DNA and cDNA, qPCR, and geochemical analyses to assess how rewetting and drying of fens influences methane producers (methanogens) and consumers (methanotrophs). Fen rewetting promoted the establishment of methanogens, while short-term drought promoted methanotroph establishment.

doctoral thesis   free access