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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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population to see if it is increasing and affecting the Lythrum. To determine if the wetlands <br />have the beetle and whether the beetle population is large enough, contact the DNR (Luke <br />Skinner) or the County Agricultural inspector in the spring and arrange a site visit. <br />Monitoring: A) Conduct a site visit each spring to determine the size of the beetle population. <br />B) establish fixed photo monitoring points at each basin, and take pictures in August, at peak <br />loosestrife bloom. Compare the pictures from year to year and note whether the plants are purple <br />or brown, how holey the leaves are, overall level of purple in the photo, etc. The DNR has a <br />simple one -page data sheet that can be used for monitoring. The goal is not loosestrife <br />eradication, but rather loosestrife control. Typically, the DNR is seeing loosestrife population <br />reductions of 50 —80% using insects. <br />In April, the DNR offers a short (1 — 2 hour) training workshop on biocontrol of loosestrife; this <br />includes a beetle rearing kit. If city staff is interested in attending, contact Luke Skinner to be <br />placed on the workshop mailing list. <br />For additional information about the (chemical) control of purple loosestrife, refer to the Problem <br />Species Appendix at the back of this report <br />CONTINUE TO ENCOURAGE NEIGHBOR/CITY RESIDENT <br />INVOLVEMENT <br />Because the parks in this study occur within a fully developed community, it will be critical for <br />city staff to continue proactively addressing the role local residents can play in shaping the future <br />of this natural area. This is a challenge as well as an opportunity because, on one hand it makes <br />these areas more vulnerable to overuse and introduction of difficult to manage elements. On the <br />other had, it invites the public to enjoy, learn about, and sustain the complex and inspirational <br />natural world that they live in, and influence every day. <br />Below is a list of potential activities for creating positive public involvement in a natural areas <br />restoration. <br />Provide Compatible Recreation Opportunities <br />Construct trails that offer the public the greatest opportunity for enjoyment of, and education <br />about natural areas, without detriment to the ecological health of the site. Activities that are <br />City of Roseville 24 <br />Parks Natural Resource Management <br />
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