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• CH4 oxidation in a boreal lake during the development of hypolimnetic hypoxia 

  Saarela, Taija; Rissanen, Antti J.; Ojala, Anne; Pumpanen, Jukka; Aalto, Sanni L.; Tiirola, Marja; Vesala, Timo; Jäntti, Helena (Birkhaeuser Science, 2020)

  Freshwater ecosystems represent a significant natural source of methane (CH4). CH4 produced through anaerobic decomposition of organic matter (OM) in lake sediment and water column can be either oxidized to carbon dioxide ...

• New insight to the role of microbes in the methane exchange in trees : evidence from metagenomic sequencing 

  Putkinen, Anuliina; Siljanen, Henri M.P.; Laihonen, Antti; Paasisalo, Inga; Porkka, Kaija; Tiirola, Marja; Haikarainen, Iikka; Tenhovirta, Salla; Pihlatie, Mari (Wiley-Blackwell, 2021)

  Methane (CH4) exchange in tree stems and canopies and the processes involved are among the least understood components of the global CH4 cycle. Recent studies have focused on quantifying tree stems as sources of CH4 and ...

• Littoral energy pathways in highly humic boreal lakes 

  Vesterinen, Jussi (University of Jyväskylä, 2017)

  Littoral zones in lakes are among the most productive habitats in the world, but have been seriously understudied, as most limnological studies have concerned only pelagic habitats. The likely importance of littoral ...

• In-depth characterization of denitrifier communities across different soil ecosystems in the tundra 

  Pessi, Igor S.; Viitamäki, Sirja; Virkkala, Anna-Maria; Eronen-Rasimus, Eeva; Delmont, Tom O.; Marushchak, Maija E.; Luoto, Miska; Hultman, Jenni (BioMed Central Ltd, 2022)

  Background In contrast to earlier assumptions, there is now mounting evidence for the role of tundra soils as important sources of the greenhouse gas nitrous oxide (N2O). However, the microorganisms involved in the cycling ...

• Vertical stratification patterns of methanotrophs and their genetic controllers in water columns of oxygen-stratified boreal lakes 

  Rissanen, Antti J.; Saarela, Taija; Jäntti, Helena; Buck, Moritz; Peura, Sari; Aalto, Sanni L.; Ojala, Anne; Pumpanen, Jukka; Tiirola, Marja; Elvert, Marcus; Nykänen, Hannu (Oxford University Press, 2021)

  The vertical structuring of methanotrophic communities and its genetic controllers remain understudied in the water columns of oxygen-stratified lakes. Therefore, we used 16S rRNA gene sequencing to study the vertical ...