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14. Biological Resources The biological resources of the proposed project has been reviewed in the Neighborhood"F"Project Initial Study, SCH#90020776. Based on this review,conditions of approval have been identified for impacts found to be less than significant. These are to be included with other conditions of approval developed for the proposed project. In assessing the impacts that the proposed project would have on biological resources within and adjacent to the site,the Neighborhood"F"Project Initial Study, SCH#90020776 noted the following: • Of the 49 trees identified within the proposed project, none were rated as having a good suitability for preservation; 13 were rated as having moderate suitability; and 36 had a low rating for preservation. • Wildlife observed during a 1999 on-site survey included species common to urban and agricultural areas. No important nesting or denning activity was observed on or in the immediate vicinity of the site. • No special-status plant populations or essential habitat for special-status animal species were encountered during 1999 surveys or are suspected to occur on the site. • No jurisdictional wetlands (i.e., those wetland features for which the California Department of Fish and Game (CDFG) and the U.S. Army Corps of Engineers have jurisdiction with respect to proposed modifications) occur within the proposed project site. • All activities along Mountain House Creek that would occur as a result of the proposed project (i.e., installation of pipelines) are to be done using a jack-and-bore technique to avoid the need for obtaining Streambed Alteration Agreements. • Detailed mitigation measures addressing the potential impacts of development on special- status species were incorporated into the 1993 and 1994 EIRs, and were adopted as part of the Findings for Master Plan approval. • Mitigation measures included in the large-lot map approval for the proposed project site in 1999 included payment of fees for the San Joaquin County Multi-Species Habitat Conservation and Open Space Plan (SJMSCP) to mitigate potential impacts on special- status species and biological resources in general, or implementation of the adopted Mountain House Multi-Purpose Habitat Management Plan (HMP) if the SJMSCP is not adopted within 5 years. Note: Until the SJMSCP is adopted, Trimark would pay an interim assessment of$2,600 per acre of land converted to urban use. The assessment would be due at the time grading activities and disturbances associated with road construction and the installation of underground utilities is initiated. Participation in the SJMSCP would address all potential take issues related to special-status species and compliance with the state and federal Endangered Species Acts. If the SJMSCP is not adopted, Trimark would need to implement the HMP, and, if necessary, obtain any legally required incidental take permits pursuant to the State and Federal Endangered Species Acts. • No sensitive natural community types occur with the proposed project, and no adverse impacts on riparian or other sensitive natural community types are anticipated. • Development of the proposed project site is not expected to interfere substantially with the movement of wildlife or impede the use of any native wildlife nursery areas. -14-