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2002 Natural Resources Management
Roseville
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2002 Natural Resources Management
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7/13/2012 10:46:09 AM
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7/13/2012 10:41:05 AM
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Community RW -US <br />Dry Oak Forest <br />Qualitative Rank: CD <br />Nonnative Shrub Rank: 11 <br />This disturbed oak forest is found on a dry, steep, north- facing slope between an asphalt trail and <br />County maintenance facility. Although white and pin oak occur occasionally here, they are <br />widely scattered. Other trees on the slope that are typical for this type of forest are white birch <br />and ironwood. Between these trees, and under them is a collection of younger trees and shrubs. <br />These include green ash, American elm, and the nonnatives European buckthorn and Tartarian <br />honeysuckle. The ground layer includes some areas that are dominated by native forbs such as <br />wild sarsparilla, Canada mayflower, lady fern, false Solomon's seal, yellow bellwort, and early <br />meadow rue. However, the majority of the area is characterized by nonnatives, and native <br />species adapted to disturbance. The most troubling species present in the ground layer is garlic <br />mustard, a prolific colonizer of forest floors that is capable of displacing native plants. <br />In addition, there are some gullies that have formed due to excessive runoff from the hilltop to <br />the south. Some of these appear to have stabilized, but some are still actively eroding and should <br />be remedied. Although there are several pockets of good quality in this community, the overall <br />amount of disturbance and nonnative species causes a somewhat lowered ranking for this <br />community. <br />Community <br />Activity <br />Priority <br />Estimated Cast <br />Comments <br />RW -U5 <br />Cut Buckthorn <br />High <br />$200 — 3,000, <br />Cut and treat all stumps with 25- <br />and other <br />or 100 -200 <br />50% solution of Roundup or Garlon. <br />nonnative shrubs <br />volunteer hours <br />Stack brush away from oak crowns <br />and burn in winter. Cut before <br />burning in any particular area. Re- <br />plant with native seed /plants where <br />bare soil exists. <br />RW -U5 <br />Correct Erosion <br />High <br />$2,000 -5,000 for <br />Erosion occurs in several locations <br />Areas <br />each area <br />(old trails). Corrective <br />bioengineering should be used to <br />manage these <br />(Table continues) <br />City of Roseville 127 <br />Parks Natural Resource Management <br />
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