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Humic acid addition lowers methane release in peats of the Mer Bleue bog, Canada

Title data

Deppe, Marianna ; Blodau, Christian:
Humic acid addition lowers methane release in peats of the Mer Bleue bog, Canada.
In: Soil Biology & Biochemistry. Vol. 52 (2012) . - pp. 96-98.
ISSN 0038-0717
DOI: https://doi.org/10.1016/j.soilbio.2012.04.02

Abstract in another language

The effects of humic substances on methanogenesis in peats are poorly understood. In incubation experiments we added Pahokee Peat Humic Acid (DOM), a suppressor for methanogenesis (2-bromoethane sulfonic acid, BES), and BES + DOM to bog peat and studied CO2 and CH4 release. Addition of DOM lowered CH4 (p < 0.05) but not CO2 release compared to controls. BES addition suppressed CH4 release compared to controls (p < 0.01). DOM/BES addition lowered the release even further (p = 0.06) but did not induce net CH4 loss. DOM was thus utilized as electron acceptor and lowered CH4 release; anaerobic CH4 oxidation may have contributed to this effect.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER109328
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Hydrology
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Research Institutions > Research Units > Limnological Research Station
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Units
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 12 May 2015 06:11
Last Modified: 27 Apr 2016 09:07
URI: https://eref.uni-bayreuth.de/id/eprint/13359