Reconstructing forest canopy from the 3D triangulations of airborne laser scanning point data for the visualization and planning of forested landscapes

Table 2 The degree of determination (R ²) between selected field attributes and alpha value (α), total volume (V), number of connected tetrahedra (N), coverage (C), and top height (H) of the canopy models

Field observation	α	V	N	C	H
Stem volume, m³/ha	0.01	0.26*	0.07*	0.09*	0.54*
Basal area, m²/ha	0.00	0.11*	0.06*	0.07*	0.16*
Number of stems, 1/ha	0.02	0.02	0.00	0.03	0.19
Basal-area weighted mean diameter, cm	0.05	0.27*	0.04	0.05	0.78*
Dominant height, m	0.02	0.32*	0.06*	0.07*	0.94*
CEI	0.06*	0.01	0.05	0.06*	0.00

Asterisk marks significance of the correlation at the 95% confidence level, while R ² > 0.5 are printed in italics

ISSN: 1297-966X