9555

• UCREFRP Catalog Number: 9555
• Author: Bestgen, K. R., C. D. Walford, A. A. Hill and J. A. Hawkins.
• Title: Native Fish Response to Removal of Non-native Predator Fish in the Yampa River, Colorado.
• USFW Year: 2007.
• USFW - Doc Type: 140,
• Copyright Material: NO

LIST OF FIGURES
Page
Figure l . Mean daily flows for the Yampa River near Maybell, CO, in the pre-drought
(1979-1999) and recent drought years, 2000-2002 (USGS gauge # 09251000),
................................................................................................................................3 5
Figure 2. Mean daily flows for the Yampa River near Maybell, CO, in the pre-drought
(1979-1999) and recent drought years, 2003 and 2004 (USGS gauge # 09251000),
................................................................................................................................3 5
Figure 3. Mean daily flows for the Yampa River near Maybell, CO, in the pre-drought
(1979-1999) and recent drought years, 2005 and 2006 (USGS gauge # 09251000),
............................................................................................................................... 36
Figure 4. Mean daily water temperatures for the Yampa River near Maybell, CO, in the pre-
drought (1979-1999) and drought (2000-2005) periods (USGS gauge # 09251000,
in part) . ..................................................................................................................36
Figure 5. Mean daily water temperatures for the Yampa River near Maybell, CO, in the pre-
drought (1979-1999) and drought years 2000, 2001, and 2002 (USGS gauge #
09251000, in part) ..................................................................................................37
Figure 6. Mean daily water temperatures for the Yampa River near Maybell, CO, in the pre-
drought (1979-1999) and drought years 2003, 2004, and 2005 (USGS gauge #
09251000, in part ...................................................................................................37
Figure 7. Catch per unit effort of smallmouth bass captured in the Yampa River, near
Maybell, Colorado, in 2005 (A) and 2006 (B) in control and treatment
reaches ................................................................................................................... 3 8
Figure 8. Percent composition of native fish in isolated pools as a function of the percent
composition of smallmouth bass in the Yampa River, near Maybell, Colorado,
2003 -2006 ...............................................................................................................3 9
Figure 9. Distribution of hatching dates of otolith-aged smallmouth bass captured in the
Yampa River, summer 2005. Water temperature (°C) of the Yampa River is
depicted by the line .................................................................................................40
Figure 10. Growth rate of age-0 smallmouth bass (cm/day), estimated from otolith age and
size at capture, as a function of total length, for fish collected in the Yampa River,
RM 100-124, summer 2005 ....................................................................................40
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