Explanation should include
- defining cultivar
- describing environmental conditions
- hardiness zone
- tolerance of urban stressors
- soil moisture
- reduced soil volume
- poor soils
- soil compaction
- soil drainage characteristic
- root space
- sun/shade
- salt
- pH
- heat
- drought
- structural factors
- limitations to above-ground space
- overhead wires
- proximity to buildings
- limitations to below-ground space
- identifying microclimate factors
- re-reflected heat load
- frost pocket
- wind funneling
- listing insect/disease factors
- evaluating irrigation levels
- determining effect on air pollution
- describing growth and ornamental characteristics
- identifying transplant issues
- determining resistance to storm damage and injury
- identifying management issues
- potential hazards and nuisances
- maintenance requirements
- determining aesthetic value.
Process/Skill Questions:
- What is the difference between a forest tree and an urban tree?
- What are some maintenance issues of trees?
- What are three site characteristics that influence species selection?
- What trees are ideal for various urban environments (e.g., parking lots, parks, streets)?
- What are some site characteristics that might prohibit the planting of large trees?