§ 12.24.02. Definitions.

Administrative authority. The city parks commission shall have the responsibility for administration and enforcement of the ordinance from which this section is derived. The city parks commission shall appoint the necessary agents to aid with administration of this ordinance.

Commercial tree pruner service. A person who performs work on trees for profit.

Diameter breast height (DBH). The diameter of a tree measured at a point four and one-half feet above the ground. If a tree splits into multi-trunks, the trunk is measured at its narrowest point below the split.

Hazardous tree. A tree or tree parts with high probability of falling or causing injury or property loss; also, a tree harboring insects or a disease that could be detrimental to surrounding trees.

Landmark tree. A landmark tree is any tree, located on public property, listed with the state or national registry or cited in the city's tree registry as being historically significant, by age, species, form, or location.

Tree registry. A list of trees registered with the city due to documented historic association, rare tree species or extraordinary value because of their age, size, or location.

Person. An individual, firm, corporation, partnership, business, group of individuals, city department or other entity which acts singly or collectively for a common purpose.

Public grounds. Areas owned and maintained by the city, including streets, alleys, parks, medians, substations, treatment plans, plazas, squares, public buildings, and any other city-owned and maintained areas designated by public use.

Rare trees. A rare tree is one with a trunk diameter of twenty-four (24) inches or more for large growing species and eight inches or more for small growing species; or is representative of an uncommon or endangered species.

Topping. Also referred to as stubbing, dehorning, pollarding and heading; it is the severe removal for the tree canopy back to the large stubs.

Tree. Any self-supporting woody perennial plant, usually having a main trunk(s) and many branches, and, at maturity, normally attaining a trunk diameter greater than three inches at DBH and height of over ten (10) feet.

( Ord. No. 2003-22, § 2 )