From: Time-series maps of aboveground biomass in dipterocarps forests of Malaysia from PALSAR and PALSAR-2 polarimetric data
Nest radius (m)
Size
Diameter at breast height, DBH (cm)
2
Sapling
DBH < 10 cm; height > 1.3 m
4
Small
10.0–19.9
12
Medium
20.0–39.9
20
Large
≥ 40.0