Agreement levels showing percentage of agreement between certified arborists and volunteers and between the certified arborists when examining individual variables of sample trees.
Variable | Volunteers/2 cert. arborists Agreement level | 2 cert. arborists/10 cert. arborists Agreement level |
---|---|---|
Genus | 94% | 100% |
Genus & species | 80% | 98% |
Condition | 83% | 89% |
Management need | 75% | 86% |
Weak crotch | 90% | 80% |
Cavity | 92% | 93% |
Root zone cover material | 82% | 98% |