Fig. 4: Inter-annual and seasonal variability of CO2 (NEE, Reco, and GPP) and CH4 fluxes.
From: Temporally dynamic carbon dioxide and methane emission factors for rewetted peatlands

Seasonal variation of partitioned fluxes of CO2; a net ecosystem exchange or NEE, b ecosystem respiration or Reco, c gross primary production or GPP, and d seasonal variation of CH4 emissions over the course of the study period.