Crown light exposure | Field manual description | No full light; top or one side; top + side or two sides; top + two sides; top + three sides; top + four sides |
Crown position | Field manual description | Superstory, overstory, understory, open canopy, undefined |
Crown density | Field manual description | 5% classes ranging from 0 (no crown) to 100% |
Crown dieback | Field manual description | 5% classes ranging from 0 to 100% (crown dead) |
Foliage transparency | Field manual description | 5% classes ranging from 0 (full crown) to 100% (few leaves present) |
Foliage absent | Field manual description | 5% classes ranging from 0 to 100% |
Crown diameter—two directions | Tape measure | Feet |