State Route 58 Widening Project - Bakersfield Freeways

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Chapter 4 Results: Biological Resources, Discussion of Impacts and Mitigation • SJKF – 10 Warning Signs Warning signs alerting east- and west-bound drivers to potential kit fox presence are proposed on Rosedale Highway at several locations. Intersections under consideration include Rosedale Highway and Calloway Drive, Coffee Road, and Landco Drive. The need for and number of appropriate signage at intersections will continue to be evaluated as the project design advances. Signage proposed would follow FHWA (2003) guidelines or other guidelines recommended by Caltrans. Installation of a sign warning drivers of the potential for crossing kit foxes is expected to reduce the potential for vehicle strike. Offsite Mitigation for Project-Specific Habitat Loss Permanent and temporary loss of San Joaquin kit fox habitat resulting from construction of the proposed project will be mitigated by participating in the MBHCP fee payment program. Suitable kit fox habitat that will be affected by SR-58 Widening construction and mitigated through the MBHCP is comprised of non-native grassland, ruderal/disturbed, and open water/waterway. In accordance with prior direction from Peter Cross, Susan Jones, and Ellen McBride (USFWS) to Caltrans for habitat mitigation for Mohawk Street Extension (USFWS 2008), a TRIP project currently under construction in Bakersfield and mitigated through the MBHCP. Fees will be paid to the MBHCP Trust Group at a ratio of 3:1 for permanent impacts and 1.1:1 for temporary impacts to all suitable San Joaquin kit fox habitat types. These ratios are based on recent agency consultation and the release of the Draft Biological Opinion for the Morning Drive/State Route 178 Interchange Project. • SJKF – 11 MBHCP Fee Payment The permanent loss of 1.21 acre of non-native grassland, ruderal/disturbed, and open water/waterway and the temporary disturbance of 6.61 acres of non-native grassland, ruderal/disturbed, and open water/waterway will be mitigated by participating in the MBHCP at agency-approved ratios. Sufficient funding would be paid to allow the MBHCP Trust Group to purchase of 10.90 acres of habitat (Table 4). 40 State Route 58 Widening Project Biological Assessment
Chapter 4 Results: Biological Resources, Discussion of Impacts and Mitigation At-grade Widening Grade Separation at Landco Drive Table 4 San Joaquin Kit Fox Habitat Compensatory Mitigation Ratios, Anticipated Acreage of Effect, and Mitigation Acreage Habitat Type Affected Non-native grassland; Ruderal/Disturbed; Open wash/ waterway a Non-native grassland; Ruderal/Disturbed; Open wash/ waterway a Proposed Compensatory Mitigation Ratios Permanent: acquisition of habitat of similar or greater value at 3:1 ratio. Temporary: acquisition of habitat of similar or greater value at 1.1:1 ratio. Permanent: acquisition of habitat of similar or greater value at 3:1 ratio. Temporary: acquisition of habitat of similar or greater value at 1.1:1 ratio. Permanent Project Effects (acres) Temporary Project Effects (acres) Mitigation Required (acres) 0.72 6.01 8.77 0.49 0.60 2.13 Total 1.21 6.61 10.90 Source: USFWS 2008 (See Table 7 of Appendix A); Vegetation types have been changed to correspond to those mapped for the proposed project. a Open water/waterway is the mapping unit to describe areas potentially within the jurisdiction of the USACE, the CDFG, and the RWQCB, primarily the canals within the BSA. These areas are vegetated with non-native grassland vegetation. • SJKF – 12 Delineating Impact Acreages Prior to construction, the limits of permanent and temporary effects would be verified and mapped by habitat type within those limits. The map would be submitted for approval by USFWS before submittal to the City of Bakersfield Planning Department for fee payment. Mitigation for Program-Level Effects Caltrans, in coordination with the City of Bakersfield, is proposing to mitigate for program-level effects of construction of the six TRIP road improvement projects by implementing the Sump Habitat Program, which is intended to provide long-term habitat conservation for the urban kit fox population. The conservation goals of the program would be achieved by installing artificial dens in selected sumps, enhancing kit fox habitat by controlling vegetation in and around dens, increasing kit fox accessibility to sumps through fence/gate gaps, and reducing the potential for effects State Route 58 Widening Project Biological Assessment 41
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State Route 58 Widening Project (Ro
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Summary of Findings, Conclusions an
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Page 9 and 10: Table of Contents Table of Contents
Page 11 and 12: List of Tables List of Tables 1 Lis
Page 13 and 14: List of Abbreviated Terms SSC ST TR
Page 15 and 16: Chapter 1. Introduction The purpose
Page 17 and 18: Chapter 1 Introduction • Minor ch
Page 19 and 20: 46 Lost Hills 33 Delano McFarland 4
Page 21 and 22: Map Extent A B C VERDUGO LN CALLOWA
Page 23 and 24: Chapter 1 Introduction 1.2.1. Proje
Page 25 and 26: Chapter 1 Introduction In 2008, USF
Page 27 and 28: Chapter 2. Study Methods 2.1. Liste
Page 29 and 30: Chapter 2 Study Methods 2.2. Studie
Page 31 and 32: Chapter 2 Study Methods During surv
Page 33 and 34: Chapter 2 Study Methods describes p
Page 35 and 36: Chapter 2 Study Methods 2.5. Limita
Page 37 and 38: Chapter 3. Results: Environmental S
Page 39 and 40: ALLEN RD OLD FARM RD JEWETTA AV VER
Page 41 and 42: Emery Ditch Calloway Canal Emery Di
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Page 47 and 48: Chapter 4. Results: Biological Reso
Page 49 and 50: Chapter 4 Results: Biological Resou
Page 57: Chapter 4 Results: Biological Resou
Page 63 and 64: Chapter 5. Conclusions and Determin
Page 65 and 66: Chapter 6. References Bakersfield,
Page 67 and 68: Chapter 6 References Kern Water Ban
Page 69: Appendix A Wildlife Species Observe
Page 72 and 73: Appendix A Wildlife Species Observe
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State Route 58 Widening Project - Bakersfield Freeways

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