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									Climate Change Impacts
          in the
Interior Columbia Basin
     Impacts at the Subbasin Level
• Terrestrial
   – Fires will increase in frequency, intensity and duration
   – Outbreaks of insects and other pests will increase
   – Sagebrush-Steppe and grassland habitat will decline substantially
• Biological
   – Many species’ ranges will shift northward and upward in elevation
   – Organisms with short life histories are apt to adapt to climate change
     better then organisms with longer life histories
   – There will be mismatches of formerly coordinated timing between
     interdependent species resulting in breeding failures, lack of
     appropriate food, and weather extremes
Source: ISAB 2007
       Impacts at the Subbasin Level
               (continued)
• Aquatic
   – Warm water fishes are likely to increase in abundance and range,
     increasing competition and predation on salmonids
   – Salmonid habitat losses will be significant
        •   Trout: 8-33% by 2090
        •   Salmon in OR & ID: potentially exceeding 40% by 2090
        •   Salmon in WA: 22% by 2090
        •   Bull trout: 22-90%
   –   Lower disease resistance
   –   Effect of toxics will increase
   –   Higher summer low-flow mortality
   –   Higher metabolic rates require more food to reach smolt size
   Impacts at the Subbasin Level
           (continued)
• Economic
  – Present land uses may become less economically
    viable
     • Grazing
     • Irrigation
  – New opportunities will emerge
  – Sustainability must be a key criterion
Source: ISAB 2007
               Impacts on Salmon
•   Individual Fish Impacts
    •   Earlier emergence
    •   Higher physiological stress
    •   Lower disease resistance


•   Ecosystem Impacts
    •   Increased competition and predation
    •   Disruption in ecosystem processes (flow, food, etc.)
    •   Changing marine ecosystems (more acidic, upwelling?, etc.)


•   Regional Impacts
    •   Reduced total habitat
    •   Redistribution of the most suitable habitat areas
    •   Changes in land uses and local economies
                       Responses
•   Protect and Restore Ecosystem Functions
    •   Prioritize areas (biggest bang for the buck)
    •   Protect and restore habitat
    •   Increase retention time of water in watersheds


•   Develop Multi-Disciplinary Strategies
    •   Physical problems (hydrology, erosion, climatology, etc.)
    •   Biological problems (invasives, toxicology, energy budgets)
    •   Social problems (population growth, sustainable economies)


•   Build Alliances and Partnerships
    •   Problems are too big and complex for individual groups
    •   Leverage resources
    •   Greater political influence
New Technical Tools to Address
  Climate Change Impacts
        Are Available
LIDAR and FLIR technology can collect data rapidly
LIDAR is like a subbasin “X-Ray”, revealing historic stream
channels
LIDAR can also reveal
areas at high risk of
landslides
FLIR surveys reveal temperature patterns
FLIR can be used to monitor temperature at
different times of day.
         New Technological Tools
• Greater analytical ability
• Multidisciplinary issues
    • Biology
    • Geomorphology
    • Economics
    • Sociology
• Community of Stakeholders
    • Communication
    • Ongoing involvement
    • Trust
    • Ownership of strategies
                   Subbasin Options
• Plan from a broad perspective
• Prioritize areas for action to maximize use of time and
  money
• Protect and restore features that store water
   • wetlands
   • floodplains
• Manage water withdrawals to conserve water and improve
  efficiency of water use
• Retain shade along stream channels and protect riparian
  integrity
• Remove barriers to passage into thermal refugia
•New impoundments for summer flow management
       Habitat Protection Strategies
•   Fee simple acquisitions
•   Conservation easements
•   Settlement and land management agreements
•   Habitat conservation plans
•   Water and land leases
•   Purchase options and right of first refusal
•   Purchase and transfer of development rights
•   Tradable environmental credits
•   USDA programs
•   Certification programs
•   Acquisition and conservation of water rights
•   Salmon strongholds
                              Summary
• Climate change will cause significant social and economic
  impacts
   – Requires multi-disciplinary strategies for effective response
   – Multidisciplinary partnerships are needed
       • To analyze issues
       • To influence legislation
       • To implement strategies

• New technology is available address the complex ecosystem
  impacts of climate change
   – Using this technology will require greater expertise and resources
   – Tribes should develop a shared strategy for using new technology

								
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