Resistance to overturning
High hazard
- trees with low taper and no butt flare
- shallow rooting (ɘ.4m)
- shallow soils
- poorly drained soils (low shear strength)
- root rot areas
Low hazard
- trees with high taper and large butt flare
- deep rooting (ɬ.8m)
- deep soils
- well drained soils
- coarse soils that favor deep rooting