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 2-1The Landscape Ecology Characterization Area 
Map 2-1 
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Map 2-2Lithologic Group Map of the Pacific Northwest 
Map 2-2 
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Map 2-3Geoclimatic Subsection Groups 
Map 2-3 
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Map 2-4Geoclimatic Sections 
Map 2-4 
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Map 2-5Coarse Level Potential Vegetation Environment Map 
Map 2-5 
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Map 2-6Regional Level Potential Vegetation Environment Map 
Map 2-6 
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Map 2-7The Subbasins and Subwatersheds Used in Vegetation and Stream Pattern Trend Subsampling 
Map 2-7 
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Map 2-8Hydrologic Subregions 
Map 2-8 
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Map 2-9Relative Non-Vegetated Surface Soil Erosion Hazards of Subbasins 
Map 2-9 
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Map 2-10Relative Vegetated Surface Soil Erosion Hazards of Subbasins 
Map 2-10 
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Map 2-11Relative Earth Flow Hazards of Subbasins 
Map 2-11 
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Map 2-12Relative Debris Avalanche Hazards of Subbasins 
Map 2-12 
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Map 2-13Relative Sediment Delivery Potential of Subbasins 
Map 2-13 
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Map 2-14Relative Non-Vegetated Sediment Delivery Hazards of Subbasins 
Map 2-14 
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Map 2-15Relative Vegetated Sediment Delivery Hazards of Subbasins 
Map 2-15 
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Map 2-16Relative Road Erosion Hazards of Subbasins 
Map 2-16 
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Map 2-17Relative Road Sediment Delivery Hazards of Subbasins 
Map 2-17 
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Map 2-18Relative Sensitivity of Streams to Increased Sediment and Flow as Summarized by Subbasins 
Map 2-18 
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Map 2-19Relative Stream Bank Sensitivity as Summarized by Subbasins 
Map 2-19 
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Map 2-20Relative Sensitivity of Stream to Riparian Vegetation Alteration as Summarized by Subbasins 
Map 2-20 
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Map 2-21Relative Stream Recovery Potentials as Summarized by Subbasins 
Map 2-21 
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Map 2-22Master Watershed Sensitivity Index of Subbasins 
Map 2-22 
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Map 2-23Predicted Distribution of Thuja plicata/Clintonia uniflora Plant Communities Under Current Climate Conditions 
Map 2-23 
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Map 2-24Predicted Distribution of Thuja plicata/Clintonia uniflora Plant Communities Under a Doubled CO2 Climate Change Scenario 
Map 2-24 
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Map 2-27Average Annual Precipitation (Western United States) 
Map 2-27 
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Map 2-28Total Number of Lightning Strikes (1986-1990) 
Map 2-28 
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Map 2-29Lightning-Caused Fire Locations (1990) 
Map 2-29 
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Map 2-30Total Months with PDSI < -3.0 (1895-1994) 
Map 2-30 
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Map 2-31Percentage of Floods Classifieds as Pure Snowmelt 
Map 2-31 
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Map 2-32Ecological Reporting Units 
Map 2-32 
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Map 2-33Basin's Climate by Three Broad Regions 
Map 2-33 
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Map 2-34Relative Hydrologic Disturbance Ratings of Forest Environments Within Subbasins 
Map 2-34 
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Map 2-35Relative Hydrologic Disturbance Ratings of Rangeland Environments Within Subbasins 
Map 2-35 
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Map 2-36Relative Riparian Disturbance Ratings of Rangeland Environments Within Subbasins 
Map 2-36 
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Map 2-37Relative Hydrologic Recovery Potential Ratings of Forest Environments Within Subbasins 
Map 2-37 
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Map 2-38Relative Hydrologic Recovery Potential Ratings of Rangeland Environments Within Subbasins 
Map 2-38 
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Map 2-39Relative Hydrologic Integrity of Forest Subwatersheds Summarized by Subbasins 
Map 2-39 
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Map 2-40Relative Hydrologic Integrity of Rangeland Subwatersheds Summarized by Subbasins 
Map 2-40 
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Map 2-41Relative Riparian Integrity Ratings of Rangeland Environments Within Subbasins 
Map 2-41 
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Map 2-42Forest Clusters 
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Map 2-43Range Clusters 
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Components Assessment | Draft EIS | Evaluation of EIS Alternatives | Final EIS | Highlighted | Integrated |
Source Habitats | Summary | Supplemental Draft Environmental Impact Statement