Appendix E14, Biological Resources Technical Memorandum
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Final Tier 1 Environmental Impact Statement and Preliminary Section 4(f) Evaluation Appendix E14, Biological Resources Technical Memorandum July 2021 Federal Aid No. 999-M(161)S ADOT Project No. 999 SW 0 M5180 01P I-11 Corridor Final Tier 1 EIS Appendix E14, Biological Resources Technical Memorandum 1 This page intentionally left blank. July 2021 Project No. M5180 01P / Federal Aid No. 999-M(161)S I-11 Corridor Final Tier 1 EIS Appendix E14, Biological Resources Technical Memorandum 1 Table of Contents 2 E14 Biological Resources Technical Memorandum ...................................................... E14-1 3 E14.1 Regulatory Setting ........................................................................................... E14-1 4 E14.1.1 Federal ..................................................................................................... E14-1 5 E14.1.2 State of Arizona ........................................................................................ E14-5 6 E14.1.3 Local Ordinances ..................................................................................... E14-6 7 E14.2 Methodology .................................................................................................... E14-8 8 E14.2.1 Biotic Communities (Vegetation and Wildlife) .......................................... E14-9 9 E14.2.2 Special Status Species ............................................................................ E14-9 10 E14.2.3 Wildlife Connectivity ............................................................................... E14-10 11 E14.3 Affected Environment .................................................................................... E14-10 12 E14.3.1 Biotic Communities (Vegetation and Wildlife) ........................................ E14-10 13 E14.3.2 Special Status Species .......................................................................... E14-39 14 E14.3.3 Wildlife Connectivity ............................................................................... E14-69 15 E14.4 Environmental Consequences ...................................................................... E14-81 16 E14.4.1 Biotic Communities (Vegetation and Wildlife) ........................................ E14-81 17 E14.4.2 Special Status Species .......................................................................... E14-91 18 E14.4.3 Wildlife Connectivity ............................................................................. E14-104 19 20 July 2021 Project No. M5180 01P / Federal Aid No. 999-M(161)S Page iii I-11 Corridor Final Tier 1 EIS Appendix E14, Biological Resources Technical Memorandum 1 Tables 2 Table E14-1. Climatological Data for Representative Locations within or Adjacent to the 3 Study Area .......................................................................................................................... E14-11 4 Table E14-2. Biotic Communities within the Study Area ..................................................... E14-14 5 Table E14-3. Wildlife Species Commonly Associated with Semidesert Grasslands .......... E14-16 6 Table E14-4. Wildlife Species Commonly Associated with Madrean Evergreen 7 Woodlands .......................................................................................................................... E14-21 8 Table E14-5. Wildlife Species Commonly Associated with the Arizona Upland Sonoran 9 Desertscrub ......................................................................................................................... E14-22 10 Table E14-6. Wildlife Species Commonly Associated with the Lower Colorado River 11 Desertscrub ......................................................................................................................... E14-25 12 Table E14-7. Wildlife Species Commonly Associated with the Mohave Desertscrub ......... E14-30 13 Table E14-8. Wildlife Species Commonly Associated with Riparian Areas ........................ E14-34 14 Table E14-9. Important Bird Areas within the Study Area .................................................. E14-36 15 Table E14-10. Non-Native Invasive Plant Species Found in the Study Area ..................... E14-37 16 Table E14-11. Distribution of ESA-Protected Species within the Study Area ..................... E14-40 17 Table E14-12. Total Surface Area Covered by ESA Critical Habitat, USFWS 10(j) 18 Experimental Population Areas, and Other Protected Habitats within the Study Area ....... E14-46 19 Table E14-13. Additional Special Status Species Not Protected by ESA that Potentially 20 Occur in Study Area ............................................................................................................ E14-47 21 Table E14-14. Summary of Wildlife Linkages and Other Wildlife Corridors in the Study 22 Area .................................................................................................................................... E14-76 23 Table E14-15. Acres for Biotic Communities within Corridor Options ................................. E14-82 24 Table E14-16. Acres of Biotic Communities within the Build Corridor Alternatives and 25 Percent of Total Biotic Community Area within the Study Area .......................................... E14-83 26 Table E14-17. Acres of Riparian and Important Bird Area Habitat within the Corridor 27 Options ................................................................................................................................ E14-83 28 Table E14-18. Acres of Riparian and Important Bird Area Habitats within the Build 29 Corridor Alternatives and Percent of Total Riparian and Important Bird Area Habitat 30 Area within the Study Area ................................................................................................. E14-84 31 Table E14-19. Potential Occurrences of ESA-Protected Species per Corridor Option ....... E14-89 32 Table E14-20. Total Surface Area Covered by Critical or other Protected Habitat within 33 the 2,000-foot-wide Corridor ............................................................................................... E14-93 34 Table E14-21. Distribution of Other Sensitive Species within the 2,000-foot-wide 35 Corridor ............................................................................................................................... E14-99 36 Table E14-22. Large Intact Block Fragmentation by Build Corridor Alternative ................ E14-105 37 Table E14-23. Total Surface Area of Fragments Lost from Existing Large Intact Blocks 38 by Build Corridor Alternative ............................................................................................. E14-107 July 2021 Project No. M5180 01P / Federal Aid No. 999-M(161)S Page iv I-11 Corridor Final Tier 1 EIS Appendix E14, Biological Resources Technical Memorandum 1 2 Figures 3 Figure E14-1. Biotic Communities – South Section ............................................................ E14-12 4 Figure E14-2. Semidesert Grassland on I-19 One-quarter Mile South of State Route 5 189 (SR 189) in Nogales ..................................................................................................... E14-13 6 Figure E14-3. Arizona Upland Sonoran Desertscrub on West Gates Pass Road at 7 Tucson Estates Trail ........................................................................................................... E14-20 8 Figure E14-4. Lower Colorado River Desertscrub along I-8 13.5 miles East of Exit 119 .... E14-24 9 Figure E14-5. Biotic Communities – Central Section .......................................................... E14-27 10 Figure E14-6. Biotic Communities – North Section ............................................................. E14-28 11 Figure E14-7. Joshua Trees (One of the Characteristic Species of the Mohave 12 Desertscrub) ....................................................................................................................... E14-30 13 Figure E14-8. Hassayampa River ....................................................................................... E14-32 14 Figure E14-9. Gila River at SR 85 Dominated by Invasive Salt Cedar (Tamarisk spp.) ..... E14-33 15 Figure E14-10. Large Intact Block Clusters ........................................................................ E14-71 16 Figure E14-11. Wildlife Linkages - South Section ............................................................... E14-73 17 Figure E14-12. Wildlife Linkages - Central Section ............................................................ E14-74 18 Figure E14-13. Wildlife Linkages - North Section ............................................................... E14-75 19 20 July 2021 Project No. M5180 01P / Federal Aid No. 999-M(161)S Page v I-11 Corridor Final Tier 1 EIS Appendix E14, Biological Resources Technical Memorandum 1 Acronyms 2 °F degrees Fahrenheit 3 A Aquatic (as used in Table E14-10) 4 ADOT Arizona Department of Transportation 5 AGFD Arizona Game and Fish Department 6 ARPC Arizona Rare Plant Committee 7 ARS Arizona Revised Statute 8 AWLWG Arizona Wildlife Linkages Working Group 9 AZDA Arizona Department of Agriculture 10 BGEPA Bald and Golden Eagle Protection Act 11 BLM Bureau of Land Management 12 CAP Central Arizona Project 13 CFR Code of Federal Regulations 14 Draft Tier 1 EIS Draft Tier 1 Environmental Impact Statement and Preliminary Section 4(f) 15 Evaluation 16 EO Executive Order 17 ESA Endangered Species Act 18 FNAEC Flora of North America Editorial Committee 19 FR Federal Register 20 GIS Geographic Information System 21 HDMS Heritage