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Community <br />Activity <br />Priority <br />Estimated Cost <br />Comments <br />CP -U3 <br />Remove <br />Medium <br />Approximately <br />Cut and treat all stumps with <br />Buckthorn and <br />$3,500 - 5,000, or <br />25 -50% solution of Roundup <br />other nonnative <br />150 -200 <br />or Garlon. Leave cut stems on <br />shrubs <br />volunteer hours <br />ground, except where very <br />thick, then stack or chip. <br />CP -U3 <br />Reintroduce <br />Medium <br />$500 — 300 <br />Reintroduce native plant plugs <br />native plants <br />depending on <br />or seed, Combination of seed <br />typical of <br />number of <br />and live plants is good <br />Lowland <br />species, plants, <br />combination here. An <br />Hardwood <br />amount of seed. <br />appendix of this report <br />Forest <br />contains a list of recommended <br />species for reintroducing into <br />forest, savanna, and prairie <br />areas. <br />Community CP -U4 <br />Lowland Hardwood Forest <br />Qualitative Rank: CD <br />Nonnative Shrub Rank: 14 <br />This forest is located on a north- facing slope and a low -lying area adjacent to the largest wetland <br />in Central Park. Although there is a portion of the hillside that is dominated by oak trees and has <br />characteristics of an oak forest, it is small and disturbed, and was combined with the surrounding <br />forest for the purpose of classification and qualitative ranking. Interestingly, aerial photos from <br />the 1940's and 1950's only show the oak trees on this hillside. The most common tree species <br />here include boxelder, quaking aspen, green ash, basswood, pin and bur oak, black cherry, and <br />American elm. In all, 17 species of trees were documented in this community, including <br />nonnatives and natives that were introduced by planting. <br />The shrub layer here varies from absent in the woodland garden area to very thick on the dry, <br />upper slopes. The most common shrub across the community is buckthorn, with silky dogwood <br />being the most common shrub in the lower -lying areas. Other shrubs that are found at least <br />occasionally here include currant, common elder, black raspberry, smooth sumac, American elm, <br />as well as the nonnatives Tartarian honeysuckle, amur maple and black locust. <br />The ground layer has somewhat poor species richness, with most species present being those that <br />can tolerate some disturbance. Some of the more common species in the ground layer here <br />City of Roseville 89 <br />Parks Natural Resource Management <br />