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� � �� � � .'� �% �� == - HEAD ENVIRONMENTAL CONSULTING �-- �, � ,�� % �'� ��H� � OPY September 11,2012 RECEIVEp Majid Fehresti SEP 12 2p12 8612 Terraceview Lane North CITY OF ORONO Maple Grove,MN 55311 RE: Project Name: 1910 Shoreline Drive- Orono,MN AEC Project No.: 2012-028 Invasive Specie Management Plan of Wetland Buffer Area Majid Fehresti, As requested, Arrowhead Environmental Consulting (AEC) is providing an Invasive Specie Management Plan for the proposed Wetland Buffer related to your project at 1910 Shoreline drive in City of Orono,MN. A new principal structure is proposed for your project which requires a native wetland buffer to be established and maintained adjacent to the delineated wetland on your property. The Invasive Specie Management Plan Includes: • Manage non-native/invasive species within the existing wetland buffedsetback • Restore the buffer area with a native planting Wetland Buffer Management Non-native species, most notably common buckthorn (Rhmanus cathartica) will be managed within the existing buffer area. Buckthom with stumps 1.5" or greater will be cut and the stumps treated with an appropriate herbicide (glyphosate or triclopyr, any work within the wetland area will require aquatic safe herbicides). Smaller buckthorn (5' in height or less) will be treated with a foliar spray or pulled by hand. A foliar spray should occur in the fall (ideal time is between September 15`t'—November 1S`). The cut- stump method should be performed any time after September 15th and before March 15th. Garlic mustard (Alliaria petiolata) is problematic as well; garlic mustard can be sprayed in the fall as well as in the spring (preferably before May ls`) with a non-selective herbicide containing glyphosate. ARROWHEAD ENVIRONMENTAL CONSULTING 2��now� MOLIND,MN 55364 612-237-5996 www.arrowheadec.com