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Analysis of the infestation showed that the EAB had been present for 3-4 years, which is <br />consistent with the insect's path of destruction. Symptoms are slow to appear and once EAB is <br />actually found, it is estimated that it has already been present for 3-5 years. It is difficult to <br />determine when EAB will reach Arden Hills. It is estimated that as much as 12.3% of Arden <br />Hills' urban forest is compiled of ash trees based on a Minnesota Department of Natural <br />Resources survey (Minnesota Department of Natural Resources 2010 Community Tree Survey. Survey <br />of front yard and street trees in residential and commercial sampling areas) <br />To date, North American communities have not been successfu in eradicating EAB once found. <br />EAB typically builds in population and eventually infests an all variety of ash trees. <br />Resident Education <br />Resident education and communication are key c nents of ing the impact of the EAB, <br />especially as more information becomes avai ublic inform is available to residents <br />through the City's website, newsletters, and a. le at City Hall. <br />Homeowners may treat their private trees, <br />adheres to the City's standards to p <br />Mitigation <br />Although it is not po <br />City of Arden Hills' <br />mitigation of EAB v <br />which attempts to co <br />I�T <br />the <br />in <br />contractor who <br />� cies, the Emerald Ash Borer, the <br />t� anage the impacts. The City's <br />intent of utch Elm and Oak Wilt Disease, <br />iese diseases. <br />for the EAB problem: <br />; software, "Simple Trees" of all trees in the <br />This will help the City monitor the condition <br />changes were <br />2011. <br />ties for all Right of Way trees abutting a City road. These <br />� amendment of Chapter 3 of the City Code in October of <br />• Updated the City's Tree and Vegetation Ordinance, Chapter 7 to add ash trees to the <br />diseased trees that must be removed to prevent the spread of the disease. This ordinance <br />permits the City to enter private property for inspection, order the removal of diseased <br />trees and abate the nuisance upon non-compliance of property owners. <br />Emerald Ash Borer Management Plan - City of Arden Hills Page 2 <br />