For the purposes of this article, the following terms, words and phrases shall have the meanings given herein:
ARBORIST: An individual certified as an arborist by the International Society Of Arboriculture (ISA), or an individual who is currently listed as a consulting arborist by the American Society Of Consulting Arborists (ASCA).
DAMAGE: Any action which may cause death or significant injury to a tree or which places the tree in a hazardous condition or an irreversible state of decline. Such action may be taken by, but is not limited to, cutting, topping, girdling, poisoning, trenching, grading or excavating within the drip line of the tree.
HERITAGE TREE: Any tree not listed on the city's official list of native trees with a primary trunk circumference of forty eight inches (48") or more, measured at a height of four feet six inches (4'6") above natural grade.
NATIVE TREE: A tree listed on the city's official list of local native trees, as adopted from time to time by resolution of the city council, and which has a primary trunk circumference of twenty four inches (24") or more, measured at a height of four feet six inches (4'6") above natural grade. The official list of local native trees shall be maintained on file in the departments of planning and community development, building and safety and recreation and parks.
PROTECTED TREE: Any native tree, heritage tree, or tree within an urban grove.
TREE: A woody perennial plant, consisting usually of a single elongated main stem or trunk and many branches.
URBAN GROVE: Fifty (50) or more trees where the branches of each tree are within six feet (6') of the branches of one of the other trees in the grove. Individual trees in an urban grove may be of any size and are not subject to any circumference limitations. Any reference to an urban grove in this article shall mean the entire grove or one or more trees within the grove. (Ord. 93-O-2176, eff. 8-20-1993; amd. Ord. 11-O-2616, eff. 1-6-2012)