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2. It is very strongly suggested that all clearing in oak stands be done before <br /> April 1st and after July 1st of each season. This will help prevent oak wilt, <br /> which could infect damaged trees, especially during this high-risk period. <br /> If clearing has to be done at this time, all stumps and wounded trees shall <br /> have the wound area painted thoroughly with tree paint. To be effective, <br /> the painting shall be performed within an hour of cutting. Should oak wilt <br /> get started as a result of construction, the developer/builder shall pay for <br /> all additional oak wilt control measures needed to control the disease. <br /> This is in accordance with City Code 4-3. <br /> 3. Where the NRT or their designee has determined that irreparable <br /> damage has occurred to trees within tree protective zones, they must be <br /> removed and replaced by the developer/builder as defined in Section <br /> IV(6)9. <br /> TREE PRESERVATION POLICY <br /> CITY OF ANDOVER <br /> COUNTY OF ANOKA <br /> STATE OF MINNESOTA <br /> APPENDIX A <br /> TECHNICAL TERMS: <br /> Cambium — tissue within the woody portion of trees and shrubs which gives rise to the <br /> woody water and nutrient conducting system, and the energy substrate transport system <br /> in trees. <br /> Cambial Dieback — the irreparable radial or vertical interruption of a tree's cambius, <br /> usually caused by mechanical damage, such as "skinning bark", or from excessive heat. <br /> Coniferous— belonging to the group of cone bearing evergreen trees or shrubs. <br /> Critical Root Zone —the rooting area of a tree established to limit root disturbances. This <br /> zone is generally defined as a circle with a radius extending from a tree's trunk to a point <br /> no less than the furthest crown dripline. Disturbances within this zone will directly affect <br /> a tree's chance for survival. <br /> Deciduous — not persistent; the shedding of leaves annually. <br /> 9 <br />