Carbon dynamics and soil greenhouse fluxes in a Florida's native rangeland before and after fire

Rosvel Bracho,María Lucia Silveira,Raoul Boughton,Joao M.D. Sanchez,Marta M. Kohmann,Carolina B. Brandani,Gerardo Celis

Agricultural and Forest Meteorology（2021）

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摘要

•Florida's native rangeland accumulate > -11 Mg C/ha in 4 years, including fire.•Fire decreased mean annual NEP (-368 g C/m2•yr) by 51%, while drought by 11%.•Aboveground biomass recovered to pre-fire conditions four months after fire.•Mean annual NEP was recovered within a year after fire.•The rangeland was a CH4 sink, low soil GHG emissions were offset by C uptake.

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关键词

Florida's rangeland,Eddy covariance,Fire,Soil greenhouse,Aboveground biomass,Recovery

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