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Effect Of Carex Rostrata On Seasonal And Interannual Variability In Peatland Methane Emissions, Genevieve L. Noyce, Ruth Varner, Jill L. Bubier, Steve Frolking
Effect Of Carex Rostrata On Seasonal And Interannual Variability In Peatland Methane Emissions, Genevieve L. Noyce, Ruth Varner, Jill L. Bubier, Steve Frolking
Earth Sciences
Peatlands are a large natural source of atmospheric methane (CH4), and the sedge Carex rostrata plays a critical role in the production, oxidation, and transport of CH4 in these systems. This 4 year clipping experiment examined the changes in CH4 emissions from a temperate peatland after removing all aboveground C. rostrata biomass. Methane fluxes, dissolved CH4, and environmental variables were measured during spring, summer, and fall from 2008 to 2011. Clipping and removing the C. rostrata leaves and stems caused an immediate decrease in CH4 emissions that persisted over 4 years of this …