9316

• UCREFRP Catalog Number: 9316
• Author: Camp Dresser & McKee Inc.
• Title: Replacement of the Plateau Creek Pipeline.
• USFW Year: 1996.
• USFW - Doc Type: Denver.
• Copyright Material: NO

LIST OF FIGURES
Figure 1. Mainstream barriers and their impacts in the Colorado River basin (after
Tyus 1984). Solid bars perpendicular to channel indicate location of barriers,
darkened sections of channel above barriers show impoundments, and
stippling indicates extent of downstream impact . ................... ' 108
Figure 2. Conceptual relationship between the natural hydrograph and the timing of
events (M=migration, S=spawning, N=nursery, W=winter) in the life history
of Colorado pikeminnow (CS), razorback sucker (RZ), and humpback chub
(HB). (After Tyus and Karp 1989) . ............................. 109
Figure 3. Relationship between median date of annual peak runoff and the size of
watersheds, as indicated by median annual flow ................... 110
Figure 4. Typical flows in the Yampa River. For each day of the year, the average flow
and standard error are shown based on data for WY 1939-1998.. .... .111
Figure 5. Typical flows in the Dirty Devil River. For each day of the year, the average.
flow and standard error are shown based on data for WY1949-1993... .112
Figure 6. Relationship between ration of peak daily flows to base flow and rr1'~dian
annual flow for tributary and mainstem sites ....................... 113
Figure 7. Recent captures of adult Colorado pikeminnow (n = 274) in the Yampa
River, Colorado, 1990-1997. Data courtesy of the U.S. Fish and Wildlife
Service ................................................... 114
Figure 8. Recent captures of adult Colorado pikeminnow (n = 1,624) in the Green
River, Utah, 1990-1997. Data courtesy of the U.S. Fish and Wildlife
Service .................................................... 115
Figure 9. Recent captures of adult Colorado pikeminnow (n = 18) in the Duchesne
River, Utah, 1990-1997. Data courtesy of the U.S. Fish and Wildlife
Service ....................................................116
Figure 10. Recent captures of adult Colorado pikeminnow (n = 289) in the White River,
Colorado and Utah. 1990-1997. Data courtesy of the U.S. Fish and Wildlife
Service .... ...... ........................................117
Figure 11. Recent captures of adult Colorado pikeminnow (n = 18) in the Price River,
Utah, 1990-1997. Data courtesy of the U.S. Fish and Wildlife Service. ..118
vi