The minimum size of a hardwood tree governed by the ordinance.
What is 6 inches dbh?
100
A tree is considered destroyed if this amount of the CRZ is destroyed and a prescription is not utilized.
What is 20 percent of more?
100
A tree’s lean should be measured at this point.
What is 4.5 feet from the ground?
100
Over 90% of a tree’s roots are found in this depth of the soil
What is top 18 inches?
100
Redbuds, sourwoods and sassafrass have this in common.
What is native, understory, or native understory?
200
DBH
What is diameter at breast height?
200
100 percent of this part of the tree must be protected for it to be considered "saved".
What is structural root plate?
200
A hazardous tree is a tree with uncorrectable defects severe enough to pose a present danger to people or buildings under what kind of conditions?
What is normal?
200
A healthy tree 5 feet from a foundation of these kinds of structures may be removed without paying recompense.
What is single family or duplex dwelling?
200
Black gums, yellowwood, and Hornbeam
What is midstory? What is native? Native midstory?
300
The area around a tree with approximately one foot of radius for every inch of diameter.
What is the critical root zone (CRZ)?
300
An otherwise destroyed tree can be “saved” if more than 20% but not more than 33% of its CRZ is destroyed by implementing this.
What is a silvicultural prescription?
300
Proper pruning may not include removal of more than this amount of live crown during any given pruning cycle.
What is 20 percent?
300
Mulch should never touch this.
What is trunk and buttress roots?
300
This the estimated recovery time of a forest after being cut or burned at which time the forest sequesters its fullest amount of atmospheric carbon as plant biomass.
What is 100+ years?
400
This part of the tree supports the tree at its base.
What is the structural root plate?
400
This formula is used to calculate recompense charges for removing a healthy tree with a construction permit.
What is $100 per tree and $30 per diameter inch?
400
If a tree credited as a replant (under the ordinance) must be maintained and stay alive for this long or be replaced.
What is 2 years?
400
A unique or special existing condition that is not otherwise addressed by the ordinance.
What is hardship?
400
This native Piedmont oak is known to have a lifespan of over 500 years if left undisturbed in a healthy environment.
What is white oak? quercus alba?
500
This type of lean does not negatively affect the health of a tree.
What is phototrophic?
500
This is the fine for taking down a tree without a permit.
What is $500 for the first tree and $1000 for subsequent trees?
500
Trees have a genetic capacity to build chemical boundaries around infection. While animals heal, trees do this.
What is compartmentalize?
500
This is the number one killer of trees on construction sites.
What is soil compaction?
500
They allow plants to draw more nutrients and water from the soil. The have been around for 450 million years but their quantity decreases do drastically in soil disturbed by human activity that they no longer produce a significatn benift for plant growth and health.