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• Mitigation Measure M4.114 (a) To provide for protection of any populations of special-status species along the Old River frontage of the site,the following should be included as part of the Parks and Open Space Master Plan as an additional Implementation for Objective 4 of Biological Resources Management section(Appendix C): "j) A habitat protection plan shall be prepared for the population of Mason's lilaeopsis in the northwestern portion of the site prior to approval of the fust specific plan adjacent to Old River in this area. The habitat protection plan shall be prepared by a qualified plant ecologist in — consultation with and which meets with the approval of representatives of the USFWS and DFG. 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. "k) A habitat protection plan for Mason's lilaeopsis and other special-status taxa which may be _ encountered during further detailed surveys, shall be prepared prior to approval of any specific plan along Old River. Other special-status taxa of concern include delta smelt, Sacramento splittail,winter-nun chinook salmon,and California hibiscus. _ "1) A survey shall be conducted along the banks of Old River to confirm the presence or absence of the California hibiscus on the site,prior to approval of any specific plan which could affect Old River. The survey shall preferably be conducted by a qualified botanist 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 DFG. 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. "m)A survey shall be conducted to confirm the presence or absence of delta smelt, winter-run chinook salmon, and Sacramento splittail along the river segment bordering the site,prior to approval of any specific plan which could affect Old River. The survey shall be 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 DFG. 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." — (b) Several aspects of the Draft Master Plan provisions regarding Other Special-Status Species should be revised to ensure protection of active nests and compliance with applicable state and federal regulations, as follows: • Revise Implementation(b)for Objective 4 of Biological Resources Management(Appendix C)to _ include pre-construction raptor surveys along the Old River frontage of the site as well. • Revise Implementation(c)for Objective 4 of Biological Resources Management to indicate that any _ relocation of an active burrowing owl nest should be performed in accordance with DFG guidelines and that a permit must be obtained prior to any disturbance to the nest. • Revise Implementation(i)for Objective 4 of Biological Resources Management to indicate that pre- construction raptor and burrowing owl surveys would still be required to protect active nests until young birds have fledged even if an applicant participates in the FIMP or other conservation plan. EDAW College Park at Mountain House Specific Plan III Draft EIR Biological Resources 4.10-22 San Joaquin County