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For management and restoration purposes, the grassland is divided into three zones: the <br /> transition/rough zone, the native zone and the turf zone. The turf zone will be planted to <br /> turf grasses and intensively managed by the golf course manager, therefore the discussion <br /> of management and restoration activities will be limited to the transition and native zones. <br /> The turf zone consists of fairways and greens, the transition/rough zone includes the buffer <br /> between heavily managed areas and the native zone,and the native zone is composed of the <br /> undeveloped areas. Each zone has different goals and its own set of constraints,restoration <br /> and management techniques. Since little restoration will take place in the turf zone the <br /> following describes restoration of the transition and native zones. <br /> The transition/roughzone is the grassland open space immediately surrounding the turf <br /> zone and includes the golf course rough area. Human and vehicular impact in this zone is <br /> substantially less than in the turf zone. This zone is not as intensively irrigated or managed <br /> as the turf zone, therefore the grasses can be taller and exhibit summer dormancy. <br /> In the native zone sustained human impact is limited to trails and roads. This zone receives <br /> no additional irrigation and is managed for native and naturalized wildflowers and grasses. <br /> The transition zone and the native zone include both open valley grassland as well as forest <br /> corridors and shady woodland settings. Vernal pools occur within the native zone. <br /> Restoration and Management <br /> Grassland ecosystems vary considerably in their underlying soils, historic use, species <br /> composition, and potential for restoration. The grassland communities in the Great Valley <br /> can be distinguished by habitat and mode of reproduction. Though a continuum exists <br /> between the driest and the wettest sites, grasslands can be divided into two communities: <br /> 1) wet meadow, riparian and woodland species and 2) dry upland species. Important <br /> Buckeye Ranch Resource Plan (November, 1993) <br /> 139 <br />