Production of greenhouse gases by logging residue in boreal clear-cut forests
Laihonen, A., Aalto, S., Pihlatie, M., & Tiirola, M. (2024). Production of greenhouse gases by logging residue in boreal clear-cut forests. European Journal of Forest Research, Early online. https://doi.org/10.1007/s10342-024-01688-8
Julkaistu sarjassa
European Journal of Forest ResearchPäivämäärä
2024Tekijänoikeudet
© 2024 the Authors
Forest deadwood is an important carbon reserve, estimated to contain 8% of the total forest carbon. This type of woody debris is recognized as a source of carbon dioxide (CO2), as the carbon is released back into the atmosphere by microbial decomposition. Production of methane (CH4) and nitrous oxide (N2O) has also been reported. In managed forests, logging residues form a major source of fine deadwood, but its role in the greenhouse gas exchange of forest ecosystems is poorly understood. We studied the greenhouse gas production of spruce and birch left-over fine woody debris and estimated the residence time of these residues at 18 spruce-dominated boreal forest sites in Central Finland. The study areas consisted of clear-cut forest stands, totally covering approximately 47 hectares, with logging residue ages varying between 0 and 10 years. The research was carried out over eight months from May to December 2019. We observed that CO2 dominated the greenhouse gas production of the logging residues, with the production being regulated by air temperature, tree species, residue age, and wood moisture. Emission of CO2 continued throughout the research period with a clear seasonal pattern. Production of CH4 and N2O was also observed, but not in climatically-relevant amounts. Deadwood half-life was estimated at 18 years for spruce and 9 years for birch. Our study demonstrates that logging residues form a mid-term carbon reserve and suggests that global warming could reduce the lifetime of the residues as a result of elevated and temperature-dependent CO2 release in the studied Myrtillus type forest stands.
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Julkaisija
SpringerISSN Hae Julkaisufoorumista
1612-4669Asiasanat
Julkaisu tutkimustietojärjestelmässä
https://converis.jyu.fi/converis/portal/detail/Publication/213404142
Metadata
Näytä kaikki kuvailutiedotKokoelmat
Rahoittaja(t)
Euroopan komissio; Suomen AkatemiaRahoitusohjelmat(t)
EU:n 7. puiteohjelma (FP7); Akatemiahanke, SA
The content of the publication reflects only the author’s view. The funder is not responsible for any use that may be made of the information it contains.
Lisätietoja rahoituksesta
Open Access funding provided by University of Jyväskylä (JYU). This study was supported by The Finnish Cultural Foundation and Jouko Tuovola Foundation grants awarded for AL. It was also supported by the Research Council of Finland grant 323063 awarded for MT, as well as European Research Council (ERC) grant number 615146 awarded for MT and grant number 757695 awarded for MP.Lisenssi
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