NCGS Tree Conditions
The observed condition class of a living or dead tree individual at one visit. Thriving is the class establishment requires.
Dead
No living tissue, or the tree is no longer in its hole. The only class a tree observed not alive may carry.
Serious signs of stress
Alive, but showing serious stress: substantial leaf loss, dieback of the leader or scorched stem.
Significant pest damage
Alive, with significant signs of pests or pest damage. Retained from A7 for continuity; the pest itself is recorded in the pests observed field.
Some signs of stress
Alive, with some signs of stress such as leaf curl, yellowing or minor dieback.
Thriving
Alive with new growth and no visible stress.