Table 1 Descriptive statistics of the training dataset. Pp_p: Pinus pinea L. individual trees in pure stand plots, Pt_p: Pinus pinaster Ait. individual trees in pure stand plots
Minimum | Maximum | Mean | Standard deviation | |||||
|---|---|---|---|---|---|---|---|---|
Pp_p | Pt_p | Pp_p | Pt_p | Pp_p | Pt_p | Pp_p | Pt_p | |
Field data | ||||||||
DBH (cm) | 17.7 | 28.3 | 63.7 | 48.0 | 35.9 | 36.6 | 10.7 | 5.2 |
Height (m) | 6.7 | 11.7 | 15.4 | 18.8 | 10.7 | 15.0 | 2.5 | 1.4 |
Live_Branch (m) | 2.0 | 0.0 | 9.0 | 12.7 | 4.9 | 7.8 | 2.0 | 2.5 |
Crown_Radius (m) | 1.7 | 0.9 | 5.8 | 3.9 | 3.3 | 2.5 | 0.9 | 0.6 |
LiDAR data | ||||||||
Max_Height (m) | 6.4 | 9.3 | 14.4 | 16.1 | 9.9 | 13.5 | 2.4 | 1.5 |
Min_Height (m) | 3.0 | 3.0 | 11.5 | 12.0 | 6.3 | 8.0 | 2.1 | 2.2 |
Crown_Area (m2) | 16.9 | 19.5 | 80.1 | 100.8 | 34.9 | 30.0 | 17.7 | 12.7 |
Crown_Height (m) | 0.8 | 0.9 | 10.2 | 11.2 | 3.7 | 5.5 | 1.7 | 2.1 |
Density (trees/ha) | 55.0 | 63.0 | 237.0 | 216.0 | 114.3 | 107.5 | 42.7 | 24.1 |
HR | 0.12 | 0.08 | 0.77 | 0.78 | 0.37 | 0.41 | 0.13 | 0.15 |
AHR | 1.69 | 1.34 | 7.20 | 7.04 | 3.46 | 2.23 | 1.34 | 0.88 |
CHR | − 0.86 | − 0.86 | − 0.41 | − 0.26 | − 0.67 | − 0.51 | 0.10 | 0.13 |
Satellite data | ||||||||
Blue | 96.4 | 93.2 | 123.2 | 129.4 | 107.6 | 107.6 | 7.0 | 6.9 |
Green | 120.6 | 116.2 | 146.0 | 141.0 | 130.4 | 127.2 | 5.2 | 5.0 |
Red | 135.4 | 133.6 | 155.1 | 156.7 | 143.6 | 143.2 | 4.0 | 4.3 |
Infrared | 246.6 | 220.3 | 306.4 | 278.1 | 269.2 | 249.1 | 13.3 | 13.7 |
NDVI | 0.26 | 0.21 | 0.35 | 0.31 | 0.30 | 0.27 | 0.02 | 0.02 |
EVI | 0.42 | 0.34 | 0.59 | 0.53 | 0.51 | 0.45 | 0.04 | 0.05 |