9561

• UCREFRP Catalog Number: 9561
• Author: Modde, T. and G. B. Haines.
• Title: Adult Fish Use in the Duchesne River Below Myton, 1997-2000.
• USFW Year: 2003.
• USFW - Doc Type: 84-3,
• Copyright Material: NO

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Duchesne River Adult fish monitoring

List of Figures

Figure 1 Map of study area. ..................................................... 23

Figure 2. Flows from in the Green (thick line) and Duchesne (thin line) rivers at the Jensen and
Randlett gages during the study period between 1997 and 2000. ................... 24

Figure 3. E1ectrofishing catch per mile by date for Colorado pikeminnow in the Duchesne River

in 1997-2000. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 25

Figure 4. Flows and temperatures in the Green and Duchesne Rivers compared with the times
Colorado pikeminnow were recorded in the Duchesne River. Green=number of fish, Thin
Black= Duchesne River discharge, Thick Blue = Green River discharge, Thin B1ue=Green
River temperature, Thin Purple=Duchesne River temperature. . . . . . . . . . . . . . . . . . . . . . 26

Figure 5. Locations of fish in the Green River that were originally implanted with transmitters in
the Duchesne River between 1997 and 2001 .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Figure 6. Times and dates of movement by fish 323 upstream (U) and downstream (D) of the
Ouray telemetry logging station during 1998 and 1999. .......................... 28

Figure 7. Times and dates of movement by fishes 393 (A) and 182 (B) upstream (U) and
downstream (D) of the Ouray telemetry logging station during 1998. ............... 29

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