15 ATTACHMENT 9 - Laserfiche WebLink

l~ ~. ~ ~. Dan Sarich HortScience, Inc. 1 Sarich Property Tree Preservation Page 3 _ ~ Tree age and longevity Old trees, while having significant emotional and aesthetic appeal, have limited physiological capacity to adjust to an altered environment. Young trees are better able to generate new tissue ~ and respond to change. ~ Each tree was rated for suitability for preservation based upon its age, health, structural condition and ability to safely coexist within a development environment (see Tree Survey Form). Trees with good health and structural stability that have the potential for _ longevity at the site were rated as good in suitability for preservation. One . hundred (100) trees were rated as,having good suitability for preservation, and are listed below. Their species distribution is listed below. --~ Species No. of Trees Blue oak 98 ~} Valley oak 3 Silver dollar gum 2 Trees with fair health and/or structural defects that may be abated with treatment were rated as moderate in suitability for preservation. Trees in this category require more intense management and monitoring, and may r ; ~ have shorter life-spans than those in the "good" category. Seventy-eight (78) _ trees were rated as having moderate suitability for preservation. Their T species distribution is listed below. ~ Species No. of Trees J Blue oak 78 . Valley oak 3 Red ironbark 1 Trees in poor health or with significant defects in structure that cannot be abated with treatment were rated low in suitability for preservation. These trees can be expected to decline regardless of management. The species or individual tree may possess either characteristics that are undesirable in landscape settings or be unsuited for use areas. Thirty-nine (39) trees were rated as having low suitability for preservation. Their species distribution is listed below. Species No. of Trees Blue oak 37 l California buckeye 1 Silver dollar gum 1 Valley oak 1 Yellow willow 1 J J