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Old Field - "old field" is a term used to describe areas that were intensively grazed or cultivated, <br />but where those activities have ceased. Old fields often have a simplified vegetation community, <br />dominated by smooth brome, Kentucky bluegrass, or other non - native grasses. A few prairie <br />forbs such as yarrow remain. Also, aggressive clonal plants such as goldenrod may form large, <br />single- species colonies, which are characteristic identifiers for these areas. The fields may also <br />include red cedar individuals or glades, and tree /shrub thickets. While these communities may <br />provide some food and cover for birds and other animals, they have a low diversity of native <br />plants. Regular controlled burns may help to control non - native species, and bring back some <br />native prairie plants. These areas are often good candidates for prairie, or savanna <br />reconstruction. <br />City of Roseville 21 <br />Parks Natural Resource Management <br />