Long Tree-Ring Chronologies Provide Evidence of Recent Tree Growth Decrease in a Central African Tropical Forest
Fig 6
Cumulative average basal area for the three species.
Full symbols represent the 50- year cumulative average basal area of E. cylindricum (a) and T. scleroxylon (b) and 20 years for E. ivorense (c). The continuous line represents the weighted best fit linear interpolation with the dashed lines defining the confidence interval of the fit (see text for details)