Initial Study MND - Sonoma County Agricultural Preservation and ...

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Taylor MountainINITIAL STUDY/MITIGATED NEGATIVE DECLARATIONFigure B.3.4-3. California Red-Legged Frog Habitat and Potential ImpactsFinal B-52 September 2012
Taylor MountainINITIAL STUDY/MITIGATED NEGATIVE DECLARATION S48 – Implement a pathogen control policy to prevent the spread of pathogens that affectCRLF. S49 – Conduct vegetation removal activities (i.e., for fire fuel reduction) within 300 feet of thepond or riparian/wetland areas where sensitive herpetofauna are potentially present outsideof sensitive herpetofauna dispersal periods (typically October 15 – April 15).In addition to these standards, numerous guidelines in the Master Plan would provideprotection: G16 – Monitor existing CRLF habitats for establishment of introduced species and cattleusage and impacts. G17 – Implement a comprehensive monitoring program for CRLF. G18 – If necessary, implement a CRLF management plan to allow for adjustments in park usesand/or livestock exclusion in known habitats and other areas with high potential foroccurrence of frogs.California Tiger Salamander. A very small portion of the northwestern corner of the TaylorMountain property (Kawana knoll area and northern tip of site that fronts Petaluma Hill Road)is included in the Santa Rosa Plain Conservation Strategy study area (Goude et al., 2005 in PCI,2011). The portion of the Taylor Mountain property included in the Conservation Strategystudy area notes that “the Presence of CTS is not likely and there are no listed plants in thisarea.” The map that accompanies the USFWS Programmatic Biological Opinion for the SantaRosa Plain CTS designates this same area as “No Effect” and no consultation or mitigation isrequired according to the PBO (USFWS, 2007b). Additionally, the USFWSdoes not designate that portion of the property as CTS Critical Habitat (USFWS, 2011a) and noCTS have been sighted on the property. The U.S. Fish and Wildlife Service’s PBO (USFWS,2007b) notes that areas above approximately 300 feet in elevation and characterized by oakwoodland, or adjacent to or surrounded by significant urban areas, generally have beenexcluded from the boundaries of the conservation areas. The portion of the Kawana knollincluded in the Conservation strategy is primarily oak woodland at or above 300 feet inelevation and includes the existing graded staging area. This area is where the future FarmersLane Extension will be developed. Proposed uses in the Kawana knoll area would be lowintensity and would not result in a substantial direct or indirect adverse effect on CTS.Avoidance and minimization measures included for sensitive herpetofauna above (S49) andpreconstruction biological resource surveys required in S69 would ensure avoidance of anyindirect offsite effects on California tiger salamander and no additional measures are required.The tip of property on Petaluma Hill Road within the Conservation Strategy will not be affectedby proposed development of the Preserve.Western Pond Turtle. Although Western pond turtle has not been documented on theproperty, it is known from the surrounding lands and there is suitable habitat for the species inthe pond and in some streams on Taylor Mountain. Trail and infrastructure development hasthe potential to impact the species and its upland nesting habitat. Biological resourcesavoidance and minimization measures in Master Plan Standard 69 (preconstruction surveys)September 2012 B-53 Final
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