Peatlands play a crucial role in global carbon (C) sequestration. but their response to long-term nitrogen (N) deposition remains uncertain. This study investigates the effects of 12 years of simulated N addition on CO2 and CH4 fluxes in a temperate peatland through in situ monitoring. The results demonstrate that long-term N addition significantly reduces net ecosystem exchange (NEE). https://spencertifieders.shop/product-category/inkjet-cartridges/