An Assessment of Ecosystem Components in the Interior Columbia Basin
and Portion of the Klamath and Great Basins
Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 Chapter 8
Map 3-1Landscape Characterization Area With Ecoregion Sections 
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Map 3-2Assessment Area 
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Map 3-3Ecological Reporting Units 
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Map 3-4Landscape Subbasin Groups 
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Map 3-5Subwatersheds 
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Map 3-6Subbasins 
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Map 3-7Management Classes 
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Map 3-8Forest Integrity Ratings 
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Map 3-9Range Integrity Ratings 
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Map 3-10Broadscale Landforms 
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Map 3-11Historic Potential Vegetation Groups 
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Map 3-12Current Potential Vegetation Groups 
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Map 3-13Historic Dominant Physiognomic Types (Structural Groups) 
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Map 3-14Current Dominant Physiognomic Types (Structurla Groups) 
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Map 3-15Terrestrial Communities (Historic Conditions) 
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Map 3-16Terrestrial Communities (Current Conditions) 
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Map 3-17Topography 
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Map 3-18Susceptibility of Rangeland Health to Management-Induced Disturbance Stresses (as indicated by soil erodibility to wind) 
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Map 3-19Susceptibility of Rangeland Health to Management-Induced Disturbance Stresses (as indicated by potential for soil to shrink or swell from drying or wetting, and soil erodibility to wind) 
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Map 3-20Susceptibility of Rangeland Health to Management-Induced Disturbance Stresses (as indicated by potential for soil to shrink or swell from drying or wetting)  
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Map 3-21Headwater and Downstream General Landforms  
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Map 3-22Changes in Fire Regimes From Historic to Current (Severity Class)  
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Map 3-23Changes in Fire Regimes From Historic to Current (Frequency Class)  
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Map 3-24Average Annual Precipitation (From PRISM Data)  
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Map 3-25Grazing Allotments  
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Map 3-26Susceptibility of Basin to Invasion by Cheatgrass  
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Map 3-27Susceptibility of Basin to Invasion by Yellow Starthistle 
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Map 3-28Current Road Density Classes (Summarized by 6th HUC) 
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Map 3-29Potential Degraded Watersheds (Watershed Sensitivity Index > Low, and Road Density >= High) 
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Map 3-30Ownership Patterns by Subwatershed 
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Map 3-31Wildfire Occurrence/Intensity Risk (FS-and BLM-Administered Lands) 
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Map 3-32Areas With High Potential Fuels, Crown Fire, and Insect and Disease Mortalities 
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Map 3-33Rural Population/Wildland Interface Fire Risk Areas (FS- and BLM- Administered Lands) 
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Map 3-34Susceptibility of Rangeland Health to Management-Induced Disturbance Stresses (As Indicated by Soil Salimity and Soil Erodibility to Wind) 
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Map 3-35Susceptibility of Basin to Invasion by Spotted Knapweed 
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Map 3-36Susceptibility of Basin to Invasion by Leafy Spurge 
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Map 3-37Susceptibility of Basin to Invasion by Diffuse Knapweed 
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Map 3-38Susceptibility of Rangeland Health to Management-Induced Disturbance Stresses (As Indicated by Soil Erodibility to Water and Wind) 
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Map 3-39Susceptibility of Rangeland Health to Management-Induced Disturbance Stresses (As Indicated by Soil Erodibility to Water) 
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Map 3-40Susceptibility of Rangeland Health to Management-Induced Disturbance Stresses (As Indicated by Soil Erodibility to Water and Wind, and Salinity) 
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Map 3-41Susceptibility of Rangeland Health to Management-Induced Disturbance Stresses (As Indicated by Soil Erodibility to Water, and Salinity) 
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Map 3-42Susceptibility of Rangeland Health to Management-Induced Disturbance Stresses (As Indicated by Soil Salinity) 
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Map 3-43Susceptibility of Rangeland Health to Management-Induced Disturbance Stresses (As Indicated by Soil Salinity, and Potential for Soil to Shrink or Swell from Drying or Wetting) 
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Map 3-44Susceptibility of Rangeland Health to Management-Induced Disturbance Stresses (As Indicated by Soil Salinity and Soil Sodicity) 
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Map 3-45Historical Distribution of Western Juniper in the Basin 
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Map 3-46Current Distribution of Western Juniper in the Basin 
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Map 3-47Broadscale Habitat Departure of the Early-Seral Lower Montane Forest Terrestrial Community Type 
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Map 3-48Broadscale Habitat Departure of the Mid-Seral Lower Montane Forest Terrestrial Community Type 
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Map 3-49Broadscale Habitat Departure of the Late-Seral Lower Montane Forest Terrestrial Community Type 
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Map 3-50Broadscale Habitat Departure of the Early-Seral Montane Forest Terrestrial Community Type 
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Map 3-51Broadscale Habitat Departure of the Mid-Seral Montane Forest Terrestrial Community Type 
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Map 3-52Broadscale Habitat Departure of the Late-Seral Montane Forest Terrestrial Community Type 
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Map 3-53Broadscale Habitat Departure of the Early-Seral Subalpine Forest Terrestrial Community Type 
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Map 3-54Broadscale Habitat Departure of the Mid-Seral Subalpine Forest Terrestrial Community Type 
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Map 3-55Broadscale Habitat Departure of the Late-Seral Subalpine Forest Terrestrial Community Type 
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Map 3-56Broadscale Habitat Departure of the Upland Herbland Terrestrial Community Type 
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Map 3-57Broadscale Habitat Departure of the Upland Shrubland Terrestrial Community Type 
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Map 3-58Broadscale Habitat Departure of the Upland Woodland Terrestrial Community Type 
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Map 3-59Greatest Potential for Microbiotic Crust Development in the Basin (Selected Potential Vegetation Types) 
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Map 3-60Susceptibility of Rangeland Health to Management Induced Disturbance Stresses (As Indicated by Soil Salinity, Soil Sodicity, Potential for Soil to Shrink or Swell from Drying or Wetting, and Soil Erodibility to Wind) 
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Map 3-61Susceptibility of Rangeland Health to Management Induced Disturbance Stresses (As Indicated by Soil Erodibility to Water and Wind, and Potential for Soil to Shrink or Swell from Drying or Wetting) 
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Components Assessment | Draft EIS | Evaluation of EIS Alternatives | Final EIS | Highlighted | Integrated |
Source Habitats | Summary | Supplemental Draft Environmental Impact Statement