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7.36 Riparian Vegetation <br /> Goals: <br /> • To restore and create riparian vegetation and to benefit many wildlife species which <br /> depend upon this scarce resource. <br /> Objectives: <br /> • To restore and create approximately 30 acres of new riparian vegetation along the <br /> margins of Tracy Lakes. <br /> • To restore approximately 20 acres in created "green tree" areas in the upper arms of <br /> South Tracy Lake. <br /> • To develop a monitoring program, to be implemented by a competent biologist over a 5 <br /> year period, to insure that the above objectives are met. Specifically, the monitoring <br /> program will document that the cessation of grazing and the water level management is <br /> providing proper inundation of the mitigation site; that the site has developed the targeted <br /> plant communities (60% cover by riparian species); and that the site supports associated <br /> wildlife species. <br /> Tree species native to riparian habitats need a high water table,periodic winter flooding, <br /> and fertile soils. These conditions are met along the edge Tracy Lakes, along the <br /> Mokelumne River and in several low depressions within the live oak forest. Riparian <br /> species sort themselves out according to duration and depth of flooding, timing of seed <br /> dispersal, soils, and other factors. For example, button willows are found in the wettest <br /> environments; willows, cottonwoods, ash, and box elder in slightly drier habitats; and <br /> valley oaks along the outer edges of the riparian zones. True riparian vegetation is poorly <br /> developed at the site and exists in small,remnant patches within the live oak woodland, <br /> along the banks of the Mokelumne River, and in occasional locations at Tracy Lakes. As <br /> Buckeye Ranch Resource Plan (November, 1993) <br /> 202 <br />