Agua Fria Grasslands Improvement Project Draft Environmental Assessment
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United States Department of Agriculture Forest Service Agua Fria Grasslands Improvement Project Draft Environmental Assessment Verde Ranger District, Prescott National Forest Yavapai County, Arizona September, 2015 Cover Photo: Grasslands outside of Dugas, Arizona; photo credit Max Wahlberg For More Information Contact: Todd Willard Verde Ranger District 300 E. Hwy 260 Camp Verde, Arizona 86322 Phone: (928) 567-1130 Email: [email protected] Fax: (928) 567-1179 In accordance with Federal civil rights law and U.S. Department of Agriculture (USDA) civil rights regulations and policies, the USDA, its Agencies, offices, and employees, and institutions participating in or administering USDA programs are prohibited from discriminating based on race, color, national origin, religion, sex, gender identity (including gender expression), sexual orientation, disability, age, marital status, family/parental status, income derived from a public assistance program, political beliefs, or reprisal or retaliation for prior civil rights activity, in any program or activity conducted or funded by USDA (not all bases apply to all programs). Remedies and complaint filing deadlines vary by program or incident. 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Contents Contents ............................................................................................................................................ i Introduction ..................................................................................................................................... 1 Proposed Project Location .......................................................................................................... 1 Need for the Proposal ...................................................................................................................... 3 Public Involvement and Tribal Consultation ................................................................................... 3 Proposed Action and Alternatives ................................................................................................... 4 Background ................................................................................................................................. 4 No Action .................................................................................................................................... 5 Proposed Action .......................................................................................................................... 5 Mesquite and Catclaw Treatment Alternative ............................................................................. 9 Alternatives Considered but Eliminated from Detailed Study .................................................. 10 Environmental Impacts of the Proposed Action and Alternatives................................................. 10 Vegetation ................................................................................................................................. 10 Wildlife ..................................................................................................................................... 22 Soils and Watershed .................................................................................................................. 37 Fuels and Fire Behavior ............................................................................................................ 67 Transportation ........................................................................................................................... 71 Cultural Resources .................................................................................................................... 73 Recreation and Scenic Resources .............................................................................................. 76 Livestock Grazing ..................................................................................................................... 84 Finding of No Significant Impact .................................................................................................. 90 Context ...................................................................................................................................... 90 Intensity ..................................................................................................................................... 90 References ..................................................................................................................................... 93 Appendix A. .................................................................................................................................. 94 Appendix B.................................................................................................................................... 98 Existing Condition .................................................................................................................... 98 Desired Future Condition .......................................................................................................... 98 Treatment Objectives ................................................................................................................ 98 Silvicultural Treatments ............................................................................................................ 99 Best Management Practices and Protection Measures .............................................................. 99 Future Management ................................................................................................................ 100 Appendix C.................................................................................................................................. 101 Appendix D. ................................................................................................................................ 103 Appendix E. ................................................................................................................................. 105 Map 1. Agua Fria Proposed Vegetation Treatments ............................................................... 105 Map 2. Agua Fria Transportation Proposed Actions............................................................... 106 Map 3. Agua Fria Mesquite Treatment Areas ......................................................................... 107 i List of Tables Table 1. Proposed vegetation treatments ......................................................................................... 5 Table 2. Proposed transportation actions ......................................................................................... 7 Table 3. Vegetation Types within the Agua Fria Project Area ...................................................... 11 Table 4. TE&S Species occurrences in the Agua Fria Assessment Area. ..................................... 23 Table 5. Ash Creek / Sycamore Creek 5th and 6th Code Watershed Acres .................................... 41 Table 6. Bishop Creek 5th and 6th Code Watershed Acres ............................................................. 41 Table 7. Agua Fria Overall Watershed Condition Assessment ..................................................... 42 Table 8. Sub-watershed conditions, by indicator .......................................................................... 42 Table 9. Cienega Creek soil condition ratings ............................................................................... 43 Table 10. Dry Creek soil condition ratings.................................................................................... 44 Table 11. Little Ash Creek soil condition ratings .......................................................................... 45 Table 12. Lower Ash Creek soil condition ratings ........................................................................ 46 Table 13. Little Sycamore Creek soil condition ratings ................................................................ 47 Table 14. Sycamore Creek soil condition ratings .......................................................................... 48 Table 15. Indian Creek soil condition ratings................................................................................ 49 Table 16. Silver Creek soil condition ratings ................................................................................ 50 Table 17. Bishop Creek soil condition ratings .............................................................................