8290

• UCREFRP Catalog Number: 8290
• Author: Day, K. S. and C. Crosby.
• Title: An Assessment of Young-of-the-Year Colorado Squawfish ‎(Ptychocheilus lucius)‎ Use of Backwater Habitats in the Green River, Utah.
• USFW Year: 1997.
• USFW - Doc Type: FG-33,
• Copyright Material: NO

Table 8. Results of correlation analysis of Colorado squawfish catch-per-unit-
(fish/100m3} vs volume, date and duration of peak flows the spring pr
in the Green River at Ouray NWR: 1990-1996.
SPEARMAN
CORRELATION
,FLOW PARAMETER SEASON COEFFICIENT PROBABILITY
volume of peak flow spring 0.•37143 0.4685
(cfs)

II
~~ summer 0.57143 0.182 II
Mall 0.14286 0.7599 ~~
date of peak flow spring 0.54286 0.2657 ~~
(Julian)

summer 0.10714 0.8192
i• fall 0.14286 0.7599

~~duration of flow at or
spring
0.20292 --~)
0.6998
above 50% of the

(peak (days)
summer
0.30632 ~
0.5040
}~ fall 0.18019 0.6990 ~~
duration of flow at or spring 0.42857 0.3965 ~~
above 75% of
Ilthe peak (days) summer 0.07143 0.8790 ~~
fall 0.32143 0.4821