Table 2 Overview of measured mandatory and optional descriptive and dendrometric attributes
Variable | Description | |
|---|---|---|
Mandatory | Longitude | Plot specific |
Latitude | Plot specific | |
Altitude | Plot specific; m (E. a.s.l.) | |
Slope | Plot specific; degrees | |
Aspect | Plot specific; degrees | |
Plot size | Plot specific; hectares | |
Date of establishment/measurement | Triplet specific; yyyy-mm | |
Age | Species and plot specific; years | |
Tree number | Living trees; ascending order | |
Tree species | Scientific species name | |
Diameter at breast height | Tree specific; cm | |
Tree height | Tree specific; m | |
Crown base height | Tree specific; m | |
Increment cores | 2 core samples/tree, 10–20 trees/plot/species | |
Local density | 1–2 angle count measurements/cored tree; m2 ha−1 | |
Optional | x-coordinate | Tree specific (Cartesian) |
y-coordinate | Tree specific (Cartesian) | |
Crown radii | Tree specific; azimuth (degrees) and distance (m) |