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2002 Natural Resources Management
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2002 Natural Resources Management
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7/13/2012 10:46:09 AM
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Upland Natural Community Descriptions and Management <br />Recommendations <br />Upland natural community types present in Acorn Park include Oak Woodland- brushland, oak <br />forest, and lowland hardwood forest. The oak forest in the southeast portion of the park is the <br />best quality upland area here, it has good restoration potential. Other areas (those associated <br />with the disc golf course), have been significantly disturbed. An appendix of this report <br />contains a list of recommended species for reintroducing into forest, savanna, and prairie areas. <br />Community AC -Ul <br />Lowland Hardwood Forest <br />Qualitative Rank: CD <br />Nonnative Shrub Rank: 17 <br />This forest community occurs as a narrow strip around a wetland in the northwest side of the <br />park. It has a few widely spaced white and pin oaks that are over 20 inches in diameter. These <br />older, open -grown trees have dense stands of younger trees between them, including green ash, <br />boxelder, quaking aspen, and black cherry. The shrub layer varies from dense to nearly <br />impenetrable and is largely dominated by the nonnatives European and glossy buckthorn. Other <br />nonnatives present include amur maple and Tartarian honeysuckle. The most frequently <br />encountered native shrubs include black currant, chokecherry, and black raspberry. The ground <br />layer is sparse and includes a mix of natives that are adapted to disturbance including white <br />snakeroot, sweet cicely, and enchanter's nightshade, as well as the nonnative deadly nightshade. <br />Overall, the quality of this community is somewhat poor as a result of past grazing and the more <br />recent transition to shrub and tree cover. <br />Community <br />Activity <br />Priority <br />Estimated Cost <br />Comments <br />AC -U1 <br />Remove <br />Medium <br />Approximately <br />Cut and treat all stumps with 25 -50% solution <br />Buckthorn and <br />$1,500- 3,500, or <br />of Roundup or Garlon. Leave cut stems on <br />other nonnative <br />100 -300 <br />ground <br />shrubs <br />volunteer hours <br />AC -U1 <br />Reintroduce <br />Low <br />$200 — 1000 <br />Reintroduce native plant plugs or seed, <br />native grasses <br />depending on <br />Combination of seed and live plants is good <br />and flowers of <br />number of <br />combination here. <br />Lowland Forest <br />species, plants, <br />amount of seed. <br />City of Roseville 66 <br />Parks Natural Resource Management <br />
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