A multi-year study of ecosystem production and its relation to biophysical factors over a temperate peatland

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cris.virtual.author-orcid0000-0002-6111-981X
cris.virtual.author-orcid0000-0002-6602-4721
cris.virtual.author-orcid0000-0002-5212-7383
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cris.virtual.author-orcid0000-0002-2630-0103
cris.virtual.author-orcid0000-0002-9012-4060
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cris.virtualsource.author-orcid454d47d0-3892-4b3a-a5c3-927100a1f1db
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cris.virtualsource.author-orcid870ed5c6-902f-444f-8c1c-9406ad025964
cris.virtualsource.author-orcid3444c2ae-3d82-4bae-b6b6-d869508f2ebb
cris.virtualsource.author-orcid039c5639-27fb-49d1-97b9-e20f4c473688
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cris.virtualsource.author-orcidd81b1ddf-ac34-4cc6-b5fc-ca5cb4730445
cris.virtualsource.author-orciddb2bbd84-5a3b-4eb8-ad6c-5aed8ba9e1c9
dc.abstract.enPeatlands are among the largest stocks of soil carbon, which can be stored for thousands of years under well-wetted conditions. The main goals of the study were to assess annual and seasonal CO2 balances of a temperate peatland and the main biophysical factors affecting these CO2 fluxes. The studied peatland was usually a CO2 sink with a mean annual net ecosystem production (NEP) of 110±83 gCO2-C·m−2·yr−1 and extreme balances in 2006 (-17 gCO2-C·m−2·yr−1) and 2011 (194 gCO2-C·m−2·yr−1). Annual fluxes were not significantly correlated with biophysical variables, unlike seasonal data. Furthermore, the average air temperature in spring and summer was related to NEP at r2=0.65 and r2=0.61, respectively (warmer spring increased NEP while hot summer decreased NEP in these seasons). A decrease in daytime measured NEP during the summer period (June-August) was observed when TA exceeded 25 °C or VPD was above 15 hPa, respectively, due to the growing Reco and possibly plant photorespiration. These findings suggest a negative impact of ongoing global warming on temperate peatland CO2 balances.
dc.affiliationWydział Inżynierii Środowiska i Inżynierii Mechanicznej
dc.affiliationWydział Rolnictwa, Ogrodnictwa i Biotechnologii
dc.affiliation.instituteKatedra Budownictwa i Geoinżynierii
dc.affiliation.instituteKatedra Łąkarstwa i Krajobrazu Przyrodniczego
dc.affiliation.instituteKatedra Ekologii i Ochrony Środowiska
dc.contributor.authorPoczta, Patryk
dc.contributor.authorUrbaniak, Marek
dc.contributor.authorSachs, Torsten
dc.contributor.authorHarenda, Kamila
dc.contributor.authorKlarzyńska, Agnieszka
dc.contributor.authorJuszczak, Radosław
dc.contributor.authorSchüttemeyer, Dirk
dc.contributor.authorCzernecki, Bartosz
dc.contributor.authorKryszak, Anna Krystyna
dc.contributor.authorChojnicki, Bogdan
dc.date.access2025-05-26
dc.date.accessioned2025-08-27T09:05:01Z
dc.date.available2025-08-27T09:05:01Z
dc.date.copyright2023-05-26
dc.date.issued2023
dc.description.accesstimeat_publication
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if5,6
dc.description.number15 July 2023
dc.description.points200
dc.description.versionfinal_published
dc.description.volume338
dc.identifier.doi10.1016/j.agrformet.2023.109529
dc.identifier.issn0168-1923
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/4422
dc.identifier.weblinkhttp://www.sciencedirect.com/science/article/pii/S0168192323002204
dc.languageen
dc.relation.ispartofAgricultural and Forest Meteorology
dc.relation.pagesart. 109529
dc.rightsCC-BY
dc.sciencecloudsend
dc.share.typeOTHER
dc.subject.eneddy covariance
dc.subject.enNDVI
dc.subject.encarbon dioxide balance
dc.subject.enlong-term measurements
dc.subject.enpeatlands
dc.subject.enecosystem production
dc.titleA multi-year study of ecosystem production and its relation to biophysical factors over a temperate peatland
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.volume338