9705

• UCREFRP Catalog Number: 9705
• Author: Green River Study Plan ad hoc Committee.
• Title: Study plan for the implementation and evaluation of flow and temperature recommendations for endangered fishes in the Green River downstream of Flaming Gorge Dam.
• USFW Year: 2007.
• USFW - Doc Type: Upper Colorado River Endangered Fish Recovery Program
• Copyright Material: NO

Table A3. Continued.

General Flow and Temperature Relevant Studies
Recommendations Anticipated Effects and Uncertainties (Hypotheses) (primary studies in bold)
(Muth et al. 2000)
Reach 2-Summer Through Winter Base (continued)
The mean flow for the summer-winter AIO. Gradually declining flows after the spring peak will provide AlO-1. Project 22f
period should be established each year reproductive cues to Colorado pikeminnow and humpback chub AlO-2. Project 128
on the basis of anticipated hydrologic adults (Muth et al. 2000). AlO-3 Project 133
conditions (continued) AIO-4. Project 138
All. Limiting differences in water temperature between the All-I. Project 22f
Green and Yampa rivers at their confluence in Echo Park will Al1-2. Project 8
prevent cold shock to Colorado pikeminnow larvae drifting out of Al1-3. Project 19
the Yampa River and into the Green River (Muth et al. 2000). Al1-4. Project 115
AII-5. Reclamation Program Management
(Project 1).
A12. Warmer temperatures will promote better growth of A12-1. Project 115
endangered fishes in the upper portion of Reach 2 (Muth et al. AI2-2. Project 8
2000). AI2-3. Project 19
A12-4. Project 128
AI2-5. Project 133
AI2-6. Evaluation of stocked fish
Uncertainties
U17. The effect of peak flows, sediment availability, and U17-1. Western backwater topography
antecedent conditions on the relationship between base flow level study
and backwater habitat availability (Muth et al. 2000). U17-2 Proiect85f
UI8. The effect of base flow variability (within-day, within- U18-1. Project 138
season, within-year, between years) on backwater habitat quality U18-2. Western backwater topography
(e.g., temperature, productivity) (U.S. Department of the Interior study
and Western Area Power Administration 2005). U18-3. Project 144
UI8-4. Project 128
. UI8-5 Project 85f
UI9. The relationship between base flow magnitude and U19-1. Project 8
temperature at the confluence (higher base flow targets in wetter U19-2. Project 19
years could result in higher temperature differential at the Yampa- U19-3. Reclamation Program Management
Green River confluence) (U.S. Department of the Interior and (Project 1).
Western Area Power Administration 2005).

c:;J
~
~
~
~
::tl
V:l
"""3
~
""<1
'"tl
~

:>
I
........
\0

~
<:::r<
....
l::
~

,t-v

t-v
C
C
'-l