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03-21-22-WS
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03-21-22-WS
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Emerald Ash Borer Management Plan – City of Arden Hills Page 3 <br />Adopted by the City Council on July 30, 2012 <br /> <br />• The City website includes information for residents on what steps to take if EAB is <br />suspected in one of their trees and general information. The City has handouts from the <br />Minnesota Department of Resources available at City Hall. <br />The City of Arden Hills will take the following actions: <br />• The City will monitor ash trees throughout the City for EAB and in the event EAB is <br />discovered, staff will utilize Chapter 7, section 710 – Protection of shade trees from the <br />City Code to prevent the spread of the disease. As in the case of Oak Wilt and Dutch <br />Elm, this ordinance allows the City to enter private property for inspection of ash trees, <br />order the removal of diseased trees, and abate the nuisance upon non-compliance of <br />property owners. <br />• The City will begin some removal of declining ash trees on public property, even when <br />EAB has not yet been identified. These ash trees could be located within City parks or in <br />boulevard areas. No significant pruning or methods to save a declining ash tree will be <br />attempted. The City will remove the tree at that time. The decision to replace a tree <br />that is removed will be on a case to case scenario. The reasons for preemptive removal <br />of ash trees include: <br />o Removing declining trees before they are infested with EAB; <br />o Allowing for reforestation with other species of trees; and <br />o Spreading the cost of tree removal over a longer period of time. <br /> <br />Staff will schedule removal of declining ash trees in the fall. The most critical period for <br />movement of confirmed EAB ash trees is May-July. This is the period when adult <br />beetles emerge from trees, begin feeding on foliage, and move to more trees to lay their <br />eggs. During this time it is best to leave these trees standing and not chance the spread of <br />EAB by transporting beetle-infested wood to other areas. The City will follow the <br />Minnesota Department of Agriculture’s regulations for handling ash wood removal <br /> <br />• There are currently two methods of tree treatments being offered in the marketplace; <br />drenching the soil with chemicals and injecting the chemical into the tree. The City <br />strongly discourages the use of soil drench insecticides due to potential to pollute water <br />and negatively impact wildlife. Due to the high cost of reoccurring treatments and the <br />long-term effects of chemical treatments on ash trees, water resources, and the <br />environment, the City has no plans to chemically treat public trees. The City strongly <br />encourages residents to utilize a certified arborist to treat trees. <br /> <br />o The City will permit residents to use chemical treatments on private ash trees, <br />given the following: <br /> <br />a. Private contractors are to use only the approved trunk injection method.
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