Willamette River Greenway Code Amendments <br />Attachment A <br />(2) Providing one replacement tree for each significant tree <br />designated for mitigation. <br />c. Required mitigation may only occur within the Willamette River <br />Greenway Setback if the proposed trees to be planted are selected from <br />the native trees included on the City's adopted list of plant species for <br />sites at or below 500 feet in elevation, attached as Exhibit F to <br />Ordinance No. 20351. <br />de. Installation and Maintenance. Unless otherwise specified, each <br />significant tree designated for mitigation must be replaced with one <br />tree selected from the approved species listed in Table 9.6885(2)(ed)2 <br />within one year from the date of removal or prior to final occupancy, <br />whichever is later. Trees planted in accordance with subparagraph <br />2 e 2.b.b414 must be planted prior to final occupancy. At the time of <br />planting, deciduous trees used for replacement must have a minimum <br />diameter of 2 inches and evergreen trees used for replacement must be <br />a minimum of 5 feet in height as measured according to the 2014 <br />edition of the American Standard for Nursery Stock (ANSI Z60.1), <br />published by the American Nursery and Landscape Association. AAn <br />mitigation trees to be planted within the Willamette River Greenway <br />Setback shall be selected from the native trees included on the City's <br />adopted list of plant species for sites at or below 500 feet in elevation, <br />attached as Exhibit F to Ordinance No. 20351. <br />de. The maximum mitigation allowance may be adjusted in accordance with <br />EC 9.8030(13). <br />Table 9.6885(2)(de)2. Approved Species List <br />Genus and Species I Common Name <br />Abies koreana <br />Silver Korean Fir <br />Abies pinsapo <br />Spanish Fir <br />Acer circinatum <br />Vine Maple <br />Acer ginnala <br />Amur Maple <br />Acer glabrum var. douglasii <br />Rocky Mountain Maple <br />Acer griseum <br />Paperbark Maple <br />Acer macrophyllum <br />Big Leaf Maple <br />Acer rubrum <br />Red Maple <br />Acer saccharum <br />Sugar Maple <br />Alnus rhombifolia <br />White Alder <br />Alnus rubra <br />Red Alder <br />Amelanchier alnifolia <br />Pacific Serviceberry <br />Arbutus menziesii <br />Pacific Madrone <br />Arbutus unedo <br />Strawberry Madrone <br />Arbutus 'Marina' <br />Marina Strawberry Tree <br />Betula nigra <br />River Birch <br />Calocedrus decurrens <br />Incense Cedar <br />Draft: December 1, 2022 <br />Page 8 of 25 <br />Page 14 of 39 <br />