2002 Natural Resources Management

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Community Activity Priority Estimated Cost Comments RW -U6 Cut Buckthorn Med -low $2,000 per acre Cut and treat all stumps with 25 -50% and other solution of Roundup or Garlon. nonnative shrubs Spread brush on ground here, stacking and burning is generally unsafe in conifer plantations. RW -U6 Underplant Low $1,000 - 200 Obtain seedling stock of appropriate native trees per acre shade tolerant native trees (see general management recommendations section) and plant under existing canopy. This will allow native trees to reach canopy as existing canopy trees die -off in the distant future Community RW -U7 Mesic Oak Forest Qualitative Rank: C Nonnative Shrub Rank: 14 This oak forest is found in two areas, one is on a slightly rolling to moderately sloped south- facing hillside on the northwestern most segment of the park, while the other is just east of the intersection of Victoria Street and Roselawn Avenue. Similar to RW -U -1 the canopy of this forest is generally closed with a mix of tall, straight trees and those that are more open - grown. Bur, and pin oaks are most common and average approximately 12 -18 inches across the community. White and red oak are also found here, but are less common than in the other oak forest parcel (RW-U- 1). The canopy of this forest averages about 70 to 90 percent closure, with smaller trees growing up under the oaks in many places. These younger trees include black cherry, American elm, green ash, and less frequently boxelder. Where canopy gaps occur between the oaks, these younger trees have, or will soon fill them in. The shrub layer is moderately thin to very thick and includes a moderately both small trees and true shrubs. The most common shrubs are the nonnatives European and glossy buckthorn. Efforts to control this shrub in the south portions of this community have been successful and City of Roseville 129 Parks Natural Resource Management