The Pacific Northwest Ecosystem Research Consortium

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The Pacific Northwest Ecosystem Research Consortium - Homepage

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Questions and Approaches
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Project Summary
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Upcoming Events - Willamette River Basin Atlas 2nd Edition published by OSU Press
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Willamette Livability Forum
Willamette Restoration Initiative
PNW-ERC Datasets Access Page
- Past Conditions
  - 1851 Vegetation
  - 1850 Dwellings
Willamete River Basin Atlas - Online
- Cover - 400KB JPG
- Contents - 140KB PDF
- Introduction
  - Study area intro - 625KB PDF
  - Study area - 256KB PDF
  - Research program and context - 128KB PDF
- Landform
  - Landform intro - 1MB PDF
  - Geology - 244KB PDF
  - Soils - 400KB PDF
  - Elevation and bed profiles - 1.1MB PDF
- Water Resources
  - Water intro - 1.5MB PDF
  - Stream network - 1.1MB PDF
  - Historical river channel - 1.5MB PDF
  - Off-channel habitats - 885KB PDF
  - Flood inundation/FEMA - 580KB PDF
  - Dams -1.2MB PDF
  - Revetments - 200KB PDF
  - Water sources - 200KB PDF
- Biotic Systems
  - Biotic systems intro - 1.4MB
  - Pre-settlement vegegation 1850 - 470KB
  - Riparian vegetation - 175KB
  - Fish assemblages - Willamette R. - 620KB
  - Terrestrial Wildlife - 400KB
  - Environmental frameworks - 480KB PDF
- Human Population
  - Population intro - 1.1MB PDF
  - 1850 population - 560KB PDF
  - 1930 & 1970 population - 1.8MB PDF
  - 1990 population density - 3.1MB PDF
  - 1990 northern valley density - 1.9MB PDF
  - 1990 central valley density - 1.8MB PDF
  - 1990 southern valley density - 1.3MB PDF
  - Population pyramids - 1.3MB PDF
- Land Use and Land Cover
  - Land use intro - 2.4MB PDF
  - Transportation - 5.6MB PDF
  - Zoning - 1.4MB PDF
  - Ownership - 690KB PDF
  - Land Use / Land Cover ca. 1990 - 500KB PDF
- Trajectories of Change
  - Trajectories intro - 1.1MB PDF
  - Scenario development - 135KB PDF
  - Plan trend scenario - 488KB PDF
  - Development scenario - 495KB PDF
  - Conservation scenario - 525KB PDF
  - Pre-Euro-American settlement scenario - 228KB PDF
  - Scenario comparisons - 515KB PDF
  - Native vegetation - 90KB PDF
  - Riparian areas - 350KB PDF
  - Agriculture - 185KB PDF
  - Forestry - 512KB PDF
  - Urban - 495KB PDF
  - Rural residential - 1.1MB PDF
  - Projected ecosystem change - 168KB PDF
  - Mainstem river - 315KB PDF
  - Water availability - 2MB PDF
  - Aquatic life - 388KB PDF
  - Terrestrial wildlife habitat - 868KB PDF
  - Terrestrial wildlife populations - 2.5MB PDF
  - Conclusions for alternative scenarios - 96KB PDF
- River Restoration
  - River restoration Intro - 60KB PDF
  - Framework - 990KB PDF
  - Longitudinal patterns - channel - 315KB PDF
  - Longitudinal patterns - forests - 340KB PDF
  - Revetments - 1.6MB PDF
  - Longitudinal patterns - human - 1.2MB PDF
  - Longitudinal patterns - economic - 316KB PDF
  - Priorities for restoration - 216KB PDF
  - Focal area examples - Harkins Lake - 1.8MB PDF
- Bibliography
  - Bibliography - 72KB PDF
- Appendix
  - Appendix intro - 40KB PDF
  - USGS topographical maps - 395KB PDF
  - Uncertainty and error - 172KB PDF
  - Geology - 128KB PDF
  - River channels - 488KB PDF
- Index
  - Index - 52KB PDF

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