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DEVELOPMENT COMMITTEE MEMORANDUM MS-90-79 PAGE TWO 4 . To mitigate for the loss of native oak trees (valley oak, quercus lobata; interior live oak, quercus wislizenii; and blue oak, quercus douglasii) resulting form construction and other development on the site, replacement shall be at the rate of 5-to-1 (five oak planting sites for each native oak removed) . The Habitat Management Plan shall include the planting details, monitoring methodology, performance objectives, and remedial actions developed in the Biological Resources Survey that was prepared for this project. 5. All construction and development shall be prohibited within the site' s riparian habitat (as shown on Figure 3 of the Biological Resources Survey) and an area extending one hundred (100) feet from the edge of the habitat. The riparian habitat and its buffer shall be shown on the Habitat Management Plan. 6. All construction and development shall be prohibited within one hundred (100) feet of the site' s open water habitat, fresh water marsh, and vernal pools (as identified in the Biological Resources Survey) . These habitats and their buffers shall be shown on the Habitat Management Plan. 7 . Water levels in the open water habitats shall be maintained by continued pumping from existing pumps. The Habitat Management Plan shall include a note regarding pond levels and shall indicate the person(s) and mechanisms responsible for maintaining the pond water levels. 8. Habitat elements (including native vegetation and snags in open areas away from buildings) shall be preserved. The details of habitat element protection shall be included in the Habitat Management Plan. 9. A minimum twenty-five (25) foot wide buffer, in which all development and construction is prohibited, shall be established around all elderberry shrubs on the site. Elderberry shrubs and their buffers shall be shown on the Habitat Management Plan. 10. To grading (as defined by the Uniform Building Code, 1988 , Section 7003) shall be permitted within 0. 5 mile of a vernal pool unless the area to ge graded is determined, by a qualified biologist, not to contain California tiger salamanders. The details of limitations on grading shall be included in the Habitat Management Plan.