2017 Knowledge Assessment

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2017 Knowledge Assessment (KA)

The FY 2017 KA had three objectives:

  • Summarize what is known.
  • Assess needs for monitoring to sustain crucial knowledge.
  • Identify critical knowledge gaps and weaknesses that require attention.

The resulting information provides crucial guidance for work planning and budgeting. The TWG also conceived the FY 2017 KA as a trial with two additional objectives:

  • Test a standardized process for conducting the KA and compiling its findings that can be repeated with minimal effort and high consistency.
  • Test the utility of presenting the KA findings in the form of a set of simple tables and graphical symbols to facilitate communication. Such tools and graphics are sometimes termed a “scorecard.”

The present (FY 2017) knowledge assessment is timed to coincide with and inform the Annual Reporting process and development of the next GCDAMP Triennial Work Plan for FY 2018-2020. This knowledge assessment is testing a methodology for better organizing, displaying, and communicating its findings, potentially to carry forward to guide future knowledge assessments as well. [1]

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Updates

Status and Trends

How closely does the condition of the resource currently approach management objectives and, if the current condition shows any trend, is this a trend toward or away from management objectives?

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Drivers and Constraints

What environmental factors, including human actions and basic dam operations, most strongly affect resource status and trend, how strong are these effects, and do these effects constrain or drive resource condition toward or away from management objectives?

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Effects of LTEMP Experimental and Management Actions

Which LTEMP experimental and management actions are expected to affect resource condition and trend, how strong are these effects expected to be, and are these effects expected to drive resource condition toward or away from management objectives?

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LTEMP Experimental and Management Actions

  • Fall High-Flow Experiments [HFEs] > 96‐hr duration but ≤ 45,000 cfs in October or November
  • Fall HFEs < 96‐hr duration but ≤ 45,000 cfs in October or November
  • Humpback chub translocation
  • Larval humpback chub head-start program
  • Macroinvertebrate production flows
  • Mechanical removal of invasive fish species
  • Mechanical removal of rainbow trout from the Little Colorado River [LCR] reach
  • Proactive Spring HFEs ≤ 45,000 cfs in April, May, or June
  • Riparian vegetation restoration
  • Spring HFEs ≤ 45,000 cfs in March or April
  • Trout management flows

Links and Information

Reports

Knowledge Assessment Summary Tables

Presentations

Knowledge Assessment Tables for Individual Resources

Aquatic Food Base

Archaeological & Cultural Resources

Humpback Chub

Hydropower & Energy

Invasive Fish Species

Other Native Fish Species

  • still to be completed

Rainbow Trout Fishery

Recreational Experience

Riparian Vegetation

Sediment

Tribal Cultural Values

  • still to be completed

Water Quality

Participants

  • Aquatic Food Base: Ted Kennedy (Team Lead), Jeff Muehlbauer, Chris Budwig, Shane Capron, Bill Davis, Craig Ellsworth
  • Archaeological and Cultural Resources: Jan Balsom (Team Lead) and Jen Dierker
  • Humpback Chub: Charles Yackulic (Team Lead), Randy Van Haverbeke, Kirk Young
  • Hydropower and Energy: Craig Ellsworth (Team Lead), Shane Capron, Clayton Palmer, Dave Welker, Chrystal Dean (WAPA); Paul Davidson and Nick Williams (Reclamation); Lucas Bair (GCMRC); Leslie James (CREDA); Cliff Barrett (UAMPS); Jenika Raub (SRP); Ben Reeder (SEAHG chair); Peggy Roefer (CRC); Arash Moelemi (NTUA)
  • Invasive Fish Species: David Rogowski (Team Lead), Ken Hyde
  • Other Native Fish Species: Brian Healy (not completed)
  • Rainbow Trout Fishery: Mike Yard (Team Lead), Clay Nelson, Michael Dodrill, and Kimberly Dibble, with Chris Budwig, John Jordan, John Hamill, and Joe Miller
  • Recreational Experience: Lucas Bair (Team Lead), Ben Reeder, Chris Budwig, Kevin Dahl, David Rogowski
  • Riparian Vegetation: Emily Palmquist (Team Lead), Barb Ralston, Joel Sankey, John Spence, Larry Stevens
  • Sediment: Paul Grams (Team Lead), David Topping (Team Lead), Joel Sankey, and Helen Fairley with Lucas Bair, Daniel Buscombe, Joseph Hazel, Erich Mueller, and Jack Schmidt
  • Tribal Cultural Values: tbd
  • Water Quality: Robert Radtke (Team Lead), Marianne Crawford, Katrina Grantz; Bridget Deemer, Charles Yackulic, Nicholas Voichick; Peggy Roefer (Team Lead); Todd Tietjen; Mark Anderson