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,. . . � , < - <br />., <br />Community Activity,: `;` Priority �!: Estrma�ed Cost ;, Commen�.s� .. ;: '- <br />, _ :,._ : _ _:_. . , <br />AC-U1 Remove Medium Approximately Cut and treat all stumps with 2_5-50% <br />Buckthorn and $i,50Q-3,500, or solution of Roundup or Ciarlon. J eave cut <br />other nonnative 100-300 stems on ground <br />shrubs volunteer hours <br />AC-U1 Reintroduce Low $200 — 1,0000 Reintroducc native plant plugs or seeci, <br />native grasses depending on Combination of seed and live plants is bood <br />and flowers number of combination here_ <br />typical of species, plants, <br />Lowland amount of seed. <br />Hard wood <br />Forest <br />Community AC-U2 <br />Oak Woodland-brushland <br />Qualitative Rank: D <br />Nonnative Shrub Rank: 21 <br />Large, open-grown white and pin oak averaging over 20 inches in diarneter characterize this <br />cotnmunity that occurs with a disc golf course. The oaks have intermingling crowns in some <br />places, but are separated by some distance in ot�ers. The overall canopy cover for the <br />community approaches 140 percent here because the gaps between the large oaks have been <br />fillcd in by younger, fast-� owing trees. Some of the most cornz�non of these include qualcing <br />aspen, black cherry, green ash, and cottonwood. There are also select locations where trees have <br />heen planted, including �ack pine and silver maple. <br />The shrub layer is dense to nearly impenetrable in some locations and dominated by the <br />nonnatives glossy and European buckthorn. Nonnatives that were planted here include cara�ana <br />and rnaples. Native plants in that accur at least occasionally in the shrub Iayer include red- <br />berried elder, black raspberry, black cherry, and boxelder. The ground layer is very disturbed <br />here with only a few natives ca�able of toierating disturbance, as well as nonnatives present_ <br />Natives found here include common rrzilkweed, Canada goldenrod, white avens, and enchanter's <br />nightshade_ Nonnatives in the ground layer include deadly r�i�htshade, butter-and-eggs, smooth <br />brome, Kentucky bluegrass, and perennial rye,�rass. <br />Ciry of Roseville 67 <br />Parks Ncrt►rral Resoiirce Mareageirae�at <br />