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Respiration modelling and CO2 budget assessment in the southern Baltic raised bog: Evaluating the impact of water table thresholds for ecosystem functioning

cris.virtual.author-orcid0000-0002-6111-981X
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cris.virtual.author-orcid0000-0002-6602-4721
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cris.virtual.author-orcid0000-0002-9012-4060
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cris.virtualsource.author-orcid870ed5c6-902f-444f-8c1c-9406ad025964
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cris.virtualsource.author-orcid3444c2ae-3d82-4bae-b6b6-d869508f2ebb
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dc.abstract.enPeatlands significantly influence global carbon cycling through their capacity for long-term carbon sequestration. Understanding how these ecosystems respond to changing hydrological and thermal conditions is crucial, particularly in the context of ongoing climate change scenarios. This study provides an analysis of carbon dioxide fluxes and their relationship to water table depth (WTD) and soil temperature (TS) at the Baltic raised bog in Kusowo, northern Poland, measured over three contrasting hydrological years (2020−2022). Eddy covariance techniques revealed that the annual carbon dioxide budget strongly depended on WTD, with lower water levels associated with increased ecosystem respiration and net CO2 emissions. Model simulations highlighted a nonlinear, synergistic interaction between TS and WTD, with WTD emerging as the primary driver of ecosystem respiration. The findings indicate that optimal carbon dioxide sequestration can only be maintained under sufficiently high water levels. Under drier, more aerobic conditions, even moderate increases in TS amplify respiration rates, highlighting the enhanced sensitivity of carbon losses when hydrological thresholds are exceeded. Our findings underscore the importance of adaptive water management strategies to sustain peatlands as effective carbon sinks through the accumulation of carbon in peat.
dc.affiliationWydział Inżynierii Środowiska i Inżynierii Mechanicznej
dc.affiliationWydział Rolnictwa, Ogrodnictwa i Bioinżynierii
dc.affiliation.instituteKatedra Bioklimatologii
dc.affiliation.instituteKatedra Łąkarstwa i Krajobrazu Przyrodniczego
dc.contributor.authorPoczta, Patryk
dc.contributor.authorŠigut, Ladislav
dc.contributor.authorHarenda, Kamila
dc.contributor.authorPavelka, Marian
dc.contributor.authorKlarzyńska, Agnieszka
dc.contributor.authorLamentowicz, Mariusz
dc.contributor.authorChojnicki, Bogdan
dc.date.access2026-01-29
dc.date.accessioned2026-01-29T12:48:25Z
dc.date.available2026-01-29T12:48:25Z
dc.date.copyright2025-12-09
dc.date.issued2026
dc.description.accesstimeat_publication
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if7,4
dc.description.numberJanuary 2026
dc.description.points200
dc.description.versionfinal_published
dc.description.volume182
dc.identifier.doi10.1016/j.ecolind.2025.114513
dc.identifier.eissn1872-7034
dc.identifier.issn1470-160X
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/7132
dc.identifier.weblinkhttps://www.sciencedirect.com/science/article/pii/S1470160X25014451
dc.languageen
dc.pbn.affiliationenvironmental engineering, mining and energy
dc.relation.ispartofEcological Indicators
dc.relation.pagesart. 114513
dc.rightsCC-BY
dc.sciencecloudnosend
dc.share.typeOPEN_JOURNAL
dc.subject.eneddy covariance
dc.subject.encarbon dioxide budget
dc.subject.enwater table depth
dc.subject.enpeatlands
dc.subject.enecosystem production
dc.titleRespiration modelling and CO2 budget assessment in the southern Baltic raised bog: Evaluating the impact of water table thresholds for ecosystem functioning
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.volume182