Fig. 3: Aboveground and belowground biomass carbon densities (Mg C/ha) for undeveloped nickel deposits.
From: Biomass carbon emissions from nickel mining have significant implications for climate action

The carbon biomass densities are the average values from Spawn et al.20 dataset within 5 km radius circles around the coordinates of the deposits. Sulfide deposits are shown in purple while laterite deposits are shown in turquoise. The box-and-whisker plots show the mean (x), median (line), and upper and lower quartiles (whiskers). If there are any statistical outliers, these are shown as dots above or below the whiskers. A Comparison of aboveground biomass carbon densities for all undeveloped sulfide deposits and all undeveloped laterite deposits. B Comparison of belowground biomass carbon densities for all undeveloped sulfide deposits and all undeveloped laterite deposits. C Aboveground biomass carbon values for undeveloped sulfide and laterite deposits by country. Belowground biomass carbon values for undeveloped sulfide and laterite deposits by country are shown in Fig. S1.