NEPA--Environmental Assessment

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San Juan National Forest. 1998. Wilderness Management Direction Amending the Land and Resource Management Plan. USDA Forest Service Rocky Mountain Region. San Juan National Forest. 2005. Columbine RD Rescission Schedule Revision. Unpublished. San Juan National Forest. 2009. Domestic Sheep Numbers Over Time. Unpublished spreadsheet. Schultz, Chris. 2009a. Biological <strong>Assessment</strong> for Federally Listed Species for Silverton Grazing Analysis Landscape. Schultz, Chris. 2009b. Biological Evaluation for U.S. Forest Service and BLM Designated Sensitive Species for Silverton Grazing Analysis Landscape. Schultz, Chris. 2009c. Wildlife Review for San Juan National Forest Fish and Wildlife Management Indicator Species. Simon, W., Butler, P. , Owen, R. 2001. Use Attainability Analysis for the Animas River Watershed. Animas River Stakeholders Group (presented to Colorado Water Quality Control Commission for the adoption of steam standards). Smith, D.W. 1967. Effects of cattle grazing on a ponderosa pine-bunchgrass range in CO. Thilenius, John F. 1975. Alpine Range Management In the Western United States – Principles, Practices, and Problems: The Status of Our Knowledge. USDA Forest Service Research Paper RM-157. Towry, R.K. 1984. Wildlife habitat requirements. Pages 174-177 in Hoover, R.L., and D.L. Wills eds. Managing forested stands for wildlife. Colorado Division of Wildlife in cooperation with USDA Forest Service, Rocky Mountain Region Denver, CO. US Census Bureau. 2000. Profile of General Demographic and Select Economic Characteristics: 2000, Montrose County, Colorado. USDA. 2006. Bacteria Analysis Strategy for Rangeland Management Projects. USDA Forest Service Rocky Mountain Region. Feb. 16, 2006.Unpublished. USDI, BLM. 1985. San Juan/ San Miguel Planning Area Resource Management Plan. Montrose District, Colorado/ USDI, BLM. 1997. Colorado Public Land Health Standards and Guidelines for Livestock Grazing. March 1997. USDI, BLM. 2004. Silverton Outdoor Learning and Recreation Center, FEIS. San Juan Public Lands Center, Durango, Colorado. USDI, Fish and Wildlife Service. 2002. Birds of conservation concern 2002. Division of Migratory Bird Management, Arlington, Virginia. 99 pp. Available on the world wide web at: http://migratorybirds.fws.gov/reports/bcc2002.pdf. Vallentine, John F. 1990. Grazing Management. Page 240. Academic Press Inc. San Diego, CA. Versaw, A.E. 1998. American pipit. Pages 410-411 in Colorado breeding bird atlas, H. E. Kingery, ed. Colorado Bird Atlas Partnership and Colorado Div of Wildlife, Denver, CO. Virden, Randy J., Richard C. Knopf, Christine A. Vogt, and Kevin W. Larkin. 1999. Final Report of the Alpine Loop Backcountry Byway Customer Study. Department of Recreation Management and Tourism, Arizona State University. Wait, S. 2007. Personal Communication. Notes from phone conversation with Scott Wait on February 14, 2007. Regional Terrestrial Biologist, Colorado Division of Wildlife, Southwest 109
Regional Office, Durango, CO. Western Association of Fish and Wildlife Agencies (WAFWA). 2007. Wild Sheep Working Group. Recommendations for domestic sheep and goat management in wild sheep habitat, June 21, 2007. 110
Page 1 and 2:
United States Department of Agricul
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Silverton Landscape Grazing Analysi
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These issues led the agency to deve
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administered with shared facilities
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Engine Creek/Deer Creek Allotment T
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Gladstone Allotment This allotment
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Gulch. In 1956, the numbers decreas
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Figure 1-1. Project Analysis Area 1
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Specific Management Emphasis Areas
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Livestock Grazing Permits Livestock
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Figure 1-3. Management Emphasis Are
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Desired Conditions for Bighorn: Red
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Figure 1-4. 2008 Data Collection Po
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Figure 1-6. Wilderness Overlap 24
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Issues ____________________________
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CHAPTER 2 - ALTERNATIVES This chapt
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Alternative Livestock Bedding 2 3 S
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Alternative Noxious Plants/Invasive
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Table 2-2. Project Design Criteria
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Alternative Minimization of Threat
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Alternative 2 - Current Management_
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Elk Creek Allot • Do not use the
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Figure 2-1. Proposed Action - Avoid
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Monitoring for Alternative 3 Monito
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• Photographs and Photo-points: P
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years in an emergency situation, su
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Comparison of Alternatives ________
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Water Quality _____________________
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ENVIRONMENTAL CONSEQUENCES Alternat
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from water or bedgrounds (Arnold an
Page 61 and 62: 2008). It differs from the wetland
Page 63 and 64: Red Mountain Allotment Yellow toadf
Page 65 and 66: unlikely that any of these species
Page 67 and 68: Recreation Special Use Permits for
Page 69 and 70: livestock management would not chan
Page 71 and 72: Concurrent to this grazing analysis
Page 73 and 74: Alternative 2 Habitat conditions fo
Page 75 and 76: intensity on alpine plants appeared
Page 77 and 78: the other two species due to the co
Page 79 and 80: lack bighorn sheep escape cover. Th
Page 81 and 82: trailing route, and lack of bighorn
Page 83 and 84: Similar to Alternative 2, selecting
Page 85 and 86: ptarmigan is expected under Alterna
Page 87 and 88: CUMULATIVE IMPACTS Global warming i
Page 89 and 90: Wildlife - Management Indicator Spe
Page 91 and 92: and it will not be discussed in det
Page 93 and 94: Selecting Alternative 2 would have
Page 95 and 96: for MIS in the landscape. Wildlife
Page 97 and 98: The alpine tundra group would benef
Page 99 and 100: species of conservation concern as
Page 101 and 102: management options, while others ma
Page 103 and 104: prior to evaluating them for the NR
Page 105 and 106: present state. In general, where un
Page 107 and 108: CHAPTER 4 - CONSULTATION AND COORDI
Page 109 and 110: APPENDIX B - CITATIONS AND REFERENC
Page 111: Martin, K.D., T.J. Schommer, and V.
Page 115 and 116: Species Habitat Present In the Spec
Page 117 and 118: Species Mammals (13) Allen’s big-
Page 119 and 120: MIS Species Preferred Habitat Broug
Page 121 and 122: Likelihood of Species Status* Prefe
Page 123 and 124: APPENDIX D - BIGHORN RISK ASSESSMEN
Page 125 and 126: Silverton Grazing Risk Assessment T
Page 127 and 128: Silverton Grazing Risk Assessment a
Page 129 and 130: Silverton Grazing Risk Assessment b
Page 131 and 132: Silverton Grazing Risk Assessment N
Page 133 and 134: Silverton Grazing Risk Assessment i
Page 139 and 140: Silverton Grazing Risk Assessment M
Page 143 and 144: Silverton Grazing Risk Assessment A
Page 145 and 146: Silverton Grazing Risk Assessment R
Page 147 and 148: Silverton Grazing Risk Assessment m
Page 151 and 152: Silverton Grazing Risk Assessment H
Page 153 and 154: Silverton Grazing Risk Assessment F
Page 155 and 156: Silverton Grazing Risk Assessment F
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NEPA--Environmental Assessment

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