3100

• UCREFRP Catalog Number: 3100
• Author: Valdez, R. A.
• Title: Cataract Canyon Fish Study ‎(Fisheries Biology and Rafting)‎
• USFW Year: 1985.
• USFW - Doc Type: Final Report.
• Copyright Material: NO

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3-10

Table 3-5. Distribution of total (and no./10 m2) YOY Colorado squawfislh
captured during the 6 Cataract trips in 1985 by 4 to 5-mile rivelr'
reaches. Zeros indicate sample taken but no YOY found, dashes (--)
indicate no sample taken.

River Reaches
( Ri ver Mi 1 es )

July

Green Ri ver
RM 45-40
RM 40-35
RM 35-30
RM 30-25
RM 25-20
RM 20-l5
RM l5-10
RM 10- 5
RM 5- 0

Cataract Canyon
--confl uence to rapi ds--
RM 216.5-212.5 0
--upper rapids--
RM 2l2.5-209.0 0
--Cataract Lake--
RM 209.0-205.0 74(2.69)
--lower rapids--
RM 205.0-201.0 0

Lake Powell
--Ten Cent to ~psum--
RM201. 0-l97 .0 0
--Gypsum to Dark Canyon--
RM 197 . 0-l82 . 8 0

14

I 509

August

43 (1. 30 )
2(0.22)
9(0.90)
26(2.89)
3(10.00)

5(0.15)
2l(2.78)
l6(0.lO)
o

3

ill

Septem.

28(1.14)
43 ( 1. 27)
5(0.44)
l02(l2.85)
o
84 (17 . 50 )

Octob. Total:s
No. Per.

43 8. 44

2 0.3'9
28 5. 50
52 10.22
5 O. 98
128 25.15
3 0.5'9
84 l6.50

l8(1.21) 4(.09) 27 5.30
8(0.29) 0 29 5.70
3(0.04) 3(.13) 96 18.86

o

9
o
300

o

o 0.0

o
o

12 2.36
o 0.0