2B, EAB Draft Implementation Plan

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Analysis of the infestation showed that the EAB had been present for 3-4 years, which is consistent with the insect's path of destruction. Symptoms are slow to appear and once EAB is actually found, it is estimated that it has already been present for 3-5 years. It is difficult to determine when EAB will reach Arden Hills. It is estimated that as much as 12.3% of Arden Hills' urban forest is compiled of ash trees based on a Minnesota Department of Natural Resources survey (Minnesota Department of Natural Resources 2010 Community Tree Survey. Survey of front yard and street trees in residential and commercial sampling areas) To date, North American communities have not been successfu in eradicating EAB once found. EAB typically builds in population and eventually infests an, all variety of ash trees. Resident Education Resident education and communication are key co nents of ma ing the impact of the EAB, especially as more information becomes avail, "Public informattdtt is available to residents through the City's website, newsletters, and availa le at City Hall. ' Homeowners may treat their private trees, provided use licensed treat t contractor who adheres to the City's standards to .surface and drwater. ,_ Mitigation Although it is not ossible sto the s re �f inva' ecies; ,the Emerald Ash Borer, the g p p p Et �,, p„ City of Arden Hills' $7VIan ent Pled °`d tole manage the impacts. The City's mitigation of EAB will''be simila the policy'; intent of 6 tch Elm and Oak Wilt Disease, which attempts to controh pre the spread€t ,these diseases. The City,of Ard&n Hills has &!46 the folio to prepare for the EAB problem: • ampleted an electomc in lory with the software, "Simple Trees" of all trees in the ROW%long City streets, parks ,trails. This will help the City monitor the condition of ashes,throughotifil'i City. • Clarified o��r;,respon ilities for all Right of Way trees abutting a City road. These changes w e amendment of Chapter 3 of the City Code in October of 2011. % `rF • Updated the City's Tree and Vegetation Ordinance, Chapter 7 to add ash trees to the diseased trees that must be removed to prevent the spread of the disease. This ordinance permits the City to enter private property for inspection, order the removal of diseased trees and abate the nuisance upon non-compliance of property owners. Emerald Ash Borer Management Plan-City of Arden Hills Page 2