9713

• UCREFRP Catalog Number: 9713
• Author: VanHaverbeke, D.R.
• Title: Stock assessment and fisheries monitoring activities in the Little Colorado River within Grand Canyon during 2004.
• USFW Year: 2005.
• USFW - Doc Type: U.S. Fish and Wildlife Service
• Copyright Material: NO

LIST OF FIGURES

Figure 1. Map of the study site, showing Salt, Coyote and Boulders reaches
in Little Colorado River. .................................................................51

Figure 2. Provisional mean daily discharge (cubic feet/second) data from
USGS gage station 0904200 located in Little Colorado River near

Cameron, Arizona.......................................................................... 52

Figure 3. Turbidity readings taken in Little Colorado River during spring 2004.

......................................................................................................53

Figure 4. Observed species compositions of all fish captured. Shaded
portions are native fish; Little Colorado River, spring 2004. ..........54

Figure 5. Total length frequency distributions of all humpback chub captured;
Little Colorado River, spring 2004. ................................................55

Figure 6. Cumulative length frequency charts of all HBC captured at three
different reaches (Salt, Coyote and Boulders); Little Colorado River,

spring 2004.................................................................................... 56

Figure 7 . Length frequency distribution of all f1annelmouth sucker captured;
Little Colorado River, spring 2004. ................................................ 57

Figure 8. Length frequency distributions of all bluehead sucker captured;
Little Colorado River, spring 2004. ................................................58

j;igure 9. Length frequency distributions (shown as percentage of total) of all
humpback chub ~ 150 mm captured during the marking and
recapture events; Little Colorado River, spring 2004.....................59

Figure 10. Cumulative length frequency distributions of humpback chub ~ 150
mm captured; Little Colorado River, spring 2004. .........................60

Figure 11. Spring abundance estimates of humpback chub ~ 150 mm. .........61

Figure 12. Spring abundance estimates of humpback chub ~ 200 mm. .........62

Figure 13. Provisional mean daily discharge (cubic feet/second; cfs) from
USGS gage station 0904200 located in Little Colorado River near

Cameron, Arizona.......................................................................... 63

Figure 14. Turbidity readings taken during fall 2004; Little Colorado River........64

Figure 15. Observed species comparisons of fish captured. Shaded portions
are native fish; Little Colorado River, fall 2004. .............................65

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