Invasion of Spartina species enhance blue carbon functions by increasing CO2 sequestration and reducing methane emissions in Chinese and Danish coastal wetlands

Flux data including NEE, Reco, GPP, CH4 and measurements of environmental factors such as SR, Ta, TS, EC, ORP, Biomass, as well as cumulative fluxes, SGWP, and methane offsets in salt marsh wetlands in China and Denmark.