Central Coast Fish Passage Field School Curriculum includes:       

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Aquatic species and stream crossings

  • Ecological continuity of stream channels
  • Impacts of fragmenting populations
  • Overview of aquatic species of concern in California for road managers
  • Stream crossing characteristics that create migration barriers 
  • Fish swimming abilities and requirements
  • Prioritization schemes 

Channel morphology and stream crossings

  • Basic stream channel morphology
  • Interaction of stream crossings with channels
  • Causes and implications of channel incision:
    plunge vs. incision.
  • Is grade control appropriate? 

California DFG and NOAA Fisheries Fish Passage Design Guidelines

Overview of newly developed fish passage protocol Chapter XII in the DFG California Salmonid Stream Habitat Restoration Manual 

Stream simulation and active-channel designs

Overarching principals of stream simulation

  • Determining when the active-channel and stream simulation designs are appropriate.
  • Long profile
  • Project profile – Considerations of regrade and/or channel restoration
  • Bed design – bed materials and shape
  • Culvert sizing
  • Stability/mobility analysis: Models, design flows, bed mobility, bed stability, flood capacity
  • Channel profile; grade control, weirs, chutes and roughened channels 

Roughened channel design and implementation

Overview of roughened channel design concepts

  • The design process
  • Construction sequencing
  • Case studies of completed roughened channels 

Local case studies:

Central Coast Fish Passage Projects 

Retrofitting existing crossings

Design objectives for retrofits

  • Use of baffles and weirs
  • Design and analysis procedures
  • The Do’s and Don’ts  

Site surveys for fish passage designs

Interdisciplinary team

  • Field measurement and considerations
  • Channel widths
  • Long profile and channel characteristics
  • Bed material
  • Photos  

Managing a fish passage project by example

Planning and Permitting

  • Designing
  • Construction
  • Monitoring 

Monitoring and adaptation

“What questions should monitoring answer?” - Group Exercise

  • Monitoring techniques
  • Examples from previous fish passage monitoring
  • Monitoring and Success Stories