Key Concepts from your Urban Forestry Unit
Expect 24 Questions on your Final Exam

Keep this list in front of you while reading the assigned urban forestry objectives. Highlight the portions that directly relate to the following concepts. You will see these again on your final exam!

Ecological benefits

• of trees in and around parking lots
• of trees around buildings
• mitigating stormwater runoff
  • increase in impervious surfaces results in....
    • decrease in tree canopy coverage results in...
  • ways that tree decrease stormwater runoff

Economic benefits

• a return of $____ for dollar invested in urban forestry
• for home real estate
• influencing shoppers

Societal benefits

• influence of trees on crime
• stress, cognitive fatigue recovery time, & hospital stays

Impermeable v. permeability surfaces and storm water runoff

Transpiration

Acid rain and soil pH

Acute v. chronic air pollution

Urban heat island effect

• albedo

Distinguish zones in an urban forest: Urban Forestry Donut

• four zones: city center, city residential, suburban, & suburban fringe
• characteristics of each zone

Definition of an urban forest

Gray v. green infrastructure

Early urban forestry initiative (prior to the 1970s) in the United States

• Name of president initiating a task force to help create the first urban beautification act?
• Remember what the early American Colonists used their "green spaces" (in their villages) for?

Origin/evolution of tree-lined boulevards

Difficulty making sense of urban forest in cities that existed long ago (historical evidence (or lack of) of urban forests)

Urban open space in in early America (Williamsburg)

Initial reason for urban forests in America (LBJ administration)

State of tree canopy coverage across the United States (sadly, it's decreasing)

Urban Growth rate: Area v. Population

• Which component of urban areas is increasing at a more rapid rate? (area or population)
  • Just in case this last one wasn't clearly presented in the unit... the answer is Area. Urban areas continue to sprawl across forested areas in Virginia - even when the population of surrounding urban areas have hardly changed.