Fig. 3

nBIAS distributions of the stand-level GSV estimations across the analysed factors. Factor III – point cloud density: 1 pulse∙m⁻² – grey boxplots, 7 pulse∙m⁻² – blue boxplots. Objects: S – Suprasl, P – Piensk, M – Milicz, H – Herby, K- Katrynka. *ADR – age-dependent radius, ** Milicz and Herby only