7055

• UCREFRP Catalog Number: 7055
• Author: Archer, D. L., L. R. Kaeding and B. D. Burdick.
• Title: A Study of the Endangered Fishes of the Upper Colorado River.
• USFW Year: 1985.
• USFW - Doc Type: Grand Junction, Colorado.
• Copyright Material: NO

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lIST OF TABLES (Continued)

Table

Paqe

11. Frequency of occurrence (') of roundtail chub and humpback chub
of mature size collected from the Black Rocks area of the
Colorado River, Colorado, 1984, that sho~ed characteristics of
seasonal reproductive development. (Number of fish in
parenthesis). 42

12. Data for ten humpback chub implanted ~ith radio transmitters
at Black Rocks, Colorado River (River mile 135.5-136.5),
Colorado, 1983. (See Figure 16). 48

13. Data for thirteen humpback chub (HB) and seven roundtail chub
(RT) implanted ~ith radio transmitters at Black Rocks, Colorado
River (River mile 135.5-136.5) Colorado, 1984. (See Figure 17). 4a

14. Cumulative displacementafrom release sites for 10 humpback chub
r~diotagged tn the upper Colorado River, 1983. Relative
dlsplacement from the release site in parenthesis. . 52

15. Cumulative displacementa from release site for 13 humpback chub (HB)
and seven roundtail chub (RTb radiotagged in the upper Colorado River,
1984. Relative displacement from the release site in parenthesis. 53

16. Population estimates derived from multiple-capture data on
predatory species in Fish Pond and labor Camp Pond, fall, 1982. 67

17. Percent of predators ~ith stocked Colorado squa~fish in their
stomachs, Fi sh Pond and labor Camp Pond, fall, 1982. 69

18. Mean catch-per-unit-effort data (CPUE) of hatchery-reared
Colorado squa~fish (CS) collected from the back~ater at walter
Walker Wildlife Area (WWWA), and from the 1Q-mi river reaches
upstream and do~nstream from WWWA. Colorado squa~fish (55,000
fish) were stocked into WWWA on 13 October 1983. Collections
~ere made using 3 and 6-mm-mesh seines. 74

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