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<br /> <br /> <br /> <br /> <br /> <br />Emerald Ash Borer Management Plan <br />City of St. Anthony Village, MN <br />WSB Project No. 022315-000 Page 21 <br />Figure 5: Runoff Volumes will Increase Based on the <br />Percent of Impervious Surface <br /> <br />Higher volumes of runoff result in flooding, water pollution, and erosion. <br />Photo courtesy of LEARN NC, www.learnnc.org <br /> <br />10.1 Reforestation <br />To replace canopy cover, ash trees lost to EAB on maintained City properties will be <br />replaced at a one-for-one replacement when space permits. City of St. Anthony <br />Village will have at least 123 trees to replace after dead/poor/fair condition <br />trees are removed . Each tree lost in high value public spaces will be replaced with <br />a tree that would improve the species diversity of that property and the entire <br />system. Ash trees that are removed from boulevards will be replaced with a new <br />tree if space and funding permits. <br /> Some of the ash trees slated for preservation on public property in the first ten <br />years may be removed and replaced due to changes in physical condition. <br /> Using the full inventory results, City staff will follow the “10 percent rule” by Dr. <br />Frank Santamour, US National Arboretum geneticist. <br />o The rule proposes no more than 10 percent of any one species should make <br />up the tree population, no more than 20 percent of any genus, and no more <br />than 30 percent of any one family. Currently Maple (Acer) genus is the only <br />one in St. Anthony that exceeds the 20 percent guideline.