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MOUNTArn)USE NEIGHBORHOODS K AND L INITIAL STUDY APP NDIX A Person/ Timing or Monitoring Agency Frequency of hill Mitigation Measure Requirements Responslbleb Monilodng4 b)A survey shall be conducted along the banks of Old River to confirm the presence or Review of survey and SJCCDD SPs for areas along absence of the California hibiscus on the site,prior to approval of any specific plan which documentation from Old River could affect Old River. The survey shall preferably be conducted by a qualified botanist USFWS and CDFG, during the blooming period of this species,in August and September. If populations of this species are encountered,a habitat protection plan shall be prepared by a qualified plant ecologist in consultation with representatives of the USFWS and CDFG. The plan shall provide for the protection of Identified populations,addressing potential impacts associated with boating,marina development,water diversion,storm drainage runoff,levee modifications and recreational use of levee habitat. c) A survey shall be conducted to confirm the presence or absence of delta smelt,winter- Review of survey and SJCCDD SPs for areas along run Chinook salmon,and Sacramento splitlail along the river segment bordering the site, documentation from Old River prior to approval of any specific plan which could affect Old River. The survey shall be USFWS and CDFG. conducted by a qualified fishery biologist using an otter trawl at intervals along the river segment during the spring spawning season and during migration periods. If any of the species is detected,a habitat protection plan should be prepared by a qualified fisheries biologist In consultation with and which meets with the approval of representatives of the USFWS and CDFG. The plan shall provide for the protection and enhancement of existing habitat conditions,addressing potential Impacts associated with boating,marina development,water diversion,storm drainage runoff,levee modifications,and recreational use of levee habitat. M4.11-5 a) The Mountain House Creek Planting and Restoration Measures contained in Appendix Review of Final Creek SJCCDD SPs along Creek The project would black the movement of most 7-A to the Master Plan,referred to in Implementations 1),n),do),ee),and ff)for Objectives Park Plan. Plan,periodic terrestrial species between the eastern base of 3 and 4 of Parks and Recreation section(Appendix C),should be expanded to include monitoring per the Altamont Hills and the Delta-farmland region provisions for monitoring,replacement plantings,and re-evaluation of the restoration plan, Appendix 7-A to the east. similar to the provisions contained on pages 27-33 of the"Mountain House Creek Phase One Habitat Restoration Plan"(Zentner&Zentner,1993c) M4.11.7 a) Unless detailed study demonstrates that the potential impacts of the proposed marina Review of specific SJCCDD SP for manna Construction and operation of the proposed 60- on biotic resources could be mitigated to a less-than-significant level,elimination of the plan Neighborhood K. acre marina would impact the productive inshore proposed 60-acre marina shall be considered in favor of a boat launch ramp and day use zone and riparian edge habitat of Old River. parking lot for the private use of the residents of the new community. b)Provislons should be included to minimize disturbance to fish and wildlife habitat of Old Review specific plan SJCCDD SPformanna River,prevent water quality degradation,and conduct further detailed surveys for special- land use map for status taxa as recommended in Mitigation Measures 4.11-0a,b),and c). Marina(Neighborhood K) c)To minimize disturbance to wildlife and riparian habitat along Old River,signs shall be On-site inspection. SJCCDD 0 posted along the length of the site fronting Old River,limiting boat speeds to 5 mph to prevent disturbance to wildlife and riparian habitat. tr vn+rl A-9