§ 26D-2. Definitions.
"Circumference" means trunk circumference measured at four and one-half feet (4 ½′) above the ground. For trees which are multi-stemmed above this height, measurement includes the circumference of two (2) or more trunks if combined are equal to or greater than the minimum size stipulated.
"Damage" means significant injury to the root system or other parts of a tree including burning, application of toxic substances, damaging through contact with equipment or machinery, changing the natural grade, compacting the soil within the dripline, interfering with the normal water requirements of the tree, trenching or excavating within the drip line, or removing more than one-third ( 1/3 ) of the live wood.
"Diameter" means trunk diameter measured at four and one-half feet (4 ½′) above the ground.
"Dripline" means the area created by extending a vertical line from the outermost portion of the limb canopy to the ground.
"Heritage tree" means a tree or grove of trees so designated by the Sonoma County board of supervisors because of historical interest or significance.
"Landmark tree" means a tree or grove of trees so designated by the Sonoma County board of supervisors because of its outstanding characteristics in terms of size, age, rarity, shape or location.
"Topping" means elimination of the upper twenty-five percent (25%) or more of a tree′s trunk or main leader.
"Tree" means a large woody plant which ordinarily has a central trunk and at maturity exceeds a height of fourteen feet (14′).
(Ord. No. 3651 § 1 (part), 1986.)