2002 Natural Resources Management

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Community Activity Priority Estimated Cost Comments RW -U5 Treat garlic High $300 -800 per Treat basal rosettes with Roundup, mustard year for up to 10 or other herbicide in fall. Ideally, years should be treated every year RW -U5 Reintroduce High $500 — 500+ Reintroduce appropriate local origin appropriate depending on plant materials (see appendix) native species number of through planting of plugs or seed, species, plants, particularly where bare ground is seed. left from brush clearing. Along with burning, this will be an important step in long -term control of buckthorn and nonnative shrubs. RW -U5 Apply Low $1,000 - 200 Burning will help keep nonnative Prescribed Fire per event shrubs in -check and allow desirable native graminoids and forbs to better establish. However, burning may be difficult on this slope Community RW -U6 Conifer Plantation Qualitative Rank: NA Nonnative Shrub Rank: 10 This community is found in the southeastern most area in Reservoir Woods. It consists of a mixed planting of conifers, with nonnative scotch pine being common. Other trees present include elm, quaking aspen, cottonwood, green ash and other fast growing trees. The shrub layer here is thick to very thick with small trees and nonnative shrubs common, including European buckthorn. Similar to the tree and shrub composition, the ground layer shows signs of recent transition from a more open space to one that is well- shaded. Species found in the ground layer include white snakeroot, sweet cicely, enchanters nightshade, and nonnative pasture grasses. Because this community is dominated by nonnatives and a few native plant species tolerant of disturbance, it is of generally low overall quality. City of Roseville 128 Parks Natural Resource Management