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Abed, R. M. M./ P. Lam/ D. De Beer/ P. Stief 2013: High rates of denitrification and nitrous oxide emission in arid biological soil crusts from the Sultanate of Oman. - ISME Journal 7(9): 1862-1875. [RLL List # 232 / Rec.# 34990]
Keywords: biological soil crust/ denitrification/ microsensors/ nitrogen cycle/ quantitative PCR/ stable isotopes/ ammonium/ bacterium/ denitrification/ desert soil/ lichen/ nitrogen/ nitrous oxide/ oxidation/ soil crust/ soil fertility/ tracer/ Oman/ Bacteria (microorganisms)/ Cyanobacteria/ Paracoccus denitrificans/ uncultured denitrifying bacterium
Abstract: Using a combination of process rate determination, microsensor profiling and molecular techniques, we demonstrated that denitrification, and not anaerobic ammonium oxidation (anammox), is the major nitrogen loss process in biological soil crusts from Oman. Potential denitrification rates were 584±101 and 58±20 ?mol N m -2 h -1 for cyanobacterial and lichen crust, respectively. Complete denitrification to N 2 was further confirmed by an 15 NO 3
URL: http://dx.doi.org/10.1038/ismej.2013.55
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