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evaluating tree ordinances" (1991). Historic information is also available from interviews <br /> and literature. <br /> 9.2 Monitoring Program and Performance Standards <br /> Monitoring methods will include ground surveys, record keeping and photogrammetry. <br /> For each project specific monitoring methods will be described and approved. <br /> A monitoring program will serve to document the degree of success or failure attained in <br /> achieving restoration performance objectives. The program can also be used to assess <br /> maintenance methods or restoration techniques that may need to be changed. <br /> Since uncertainties -- i.e., failures, unexpected changes in hydrology,or major flooding <br /> events--always affect any restoration project, the monitoring program will also allow for <br /> revisions, and conversion from one habitat type to another. For example, scrub riparian <br /> could be converted to riparian or vice versa. No more than 25% conversion will be <br /> allowed. <br /> A biologist will be hired to supervise all phases of the mitigation program,from initial <br /> installation through project monitoring. The use of accepted vegetation sampling <br /> techniques, such as percent cover of restored vegetation will be determined 3 years after <br /> each restoration project. Wildlife use,especially by birds, will be monitored once per <br /> month. These efforts will be coordinated through volunteer efforts by the Audubon <br /> Society. For riparian and oak woodlands, growth and survival rates will be monitored at <br /> least 4 times per year by a competent biologist. Growth,measured in percent cover and <br /> height, will be compared to that of the same species found on-site (or nearby), but not in <br /> part of the restoration area. <br /> Buckeye Ranch Resource Plan (November, 1993) <br /> 235 <br />