Dissolved organic matter concentration and composition discontinuity at the peat–pool interface in a boreal peatland
Abstract δ 13: - 1 - 1 ∼ - 1). Those differences might be explained by a combination of physical, chemical, and biological factors. The limited hydraulic conductivity in deeper peat horizons and associated DOM residence time might have favored both DOM microbial transformation within the peat and the interaction of DOM aromatic compounds with the peat matrix, explaining part of the shift of DOM compositions between peat porewater and pools. This study did not report any photolability of DOM and only limited microbial degradability. Thus, it is likely that the DOM might have been microbially transformed at the interface between peat and pools. The combination of DOM quantitative and qualitative analyses presented in this study demonstrates that most of the carbon present within and released from the pools originates from peat vegetation. These results demonstrate that pools represent a key component of the peatland ecosystem ecological and biogeochemical functioning.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Dissolved organic matter concentration and composition discontinuity at the peat–pool interface in a boreal peatland ; volume:19 ; number:18 ; year:2022 ; pages:4571-4588 ; extent:18
Biogeosciences ; 19, Heft 18 (2022), 4571-4588 (gesamt 18)
- Urheber
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Prijac, Antonin
Gandois, Laure
Jeanneau, Laurent
Taillardat, Pierre
Garneau, Michelle
- DOI
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10.5194/bg-19-4571-2022
- URN
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urn:nbn:de:101:1-2022092905242668595291
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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15.08.2025, 07:32 MESZ
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Beteiligte
- Prijac, Antonin
- Gandois, Laure
- Jeanneau, Laurent
- Taillardat, Pierre
- Garneau, Michelle
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