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Abiotic reaction of nitrite with dissolved organic carbon? Testing the ferrous wheel hypothesis

Title data

Schmidt, Bettina ; Matzner, Egbert:
Abiotic reaction of nitrite with dissolved organic carbon? Testing the ferrous wheel hypothesis.
In: Biogeochemistry. Vol. 93 (2009) Issue 3 . - pp. 291-296.
ISSN 1573-515X
DOI: https://doi.org/10.1007/s10533-009-9290-3

Abstract in another language

The Ferrous Wheel Hypothesis (Davidson et al. 2003) postulates the abiotic formation of dissolved organic N (DON) in forest floors, by the fast reaction of NO2 − with dissolved organic C (DOC). We investigated the abiotic reaction of NO2 − with dissolved organic matter extracted from six different forest floors under oxic conditions. Solutions differed in DOC concentrations (15–60 mg L−1), NO2 − concentrations (0, 2, 20 mg NO2 −-N L−1) and DOC/DON ratio (13.4–25.4). Concentrations of added NO2 − never decreased within 60 min, therefore, no DON formation from added NO2 − took place in any of the samples. Our results suggest that the reaction of NO2 − with natural DOC in forest floors is rather unlikely.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER62837
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Soil Ecology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Former Professors > Chair Soil Ecology - Univ.-Prof. Dr. Egbert Matzner
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
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
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 11 Sep 2015 06:32
Last Modified: 11 Sep 2015 06:32
URI: https://eref.uni-bayreuth.de/id/eprint/19090