WSP06620

• File Number: 8240.300.10.B
• Description: UCRBRIP
• Basin: Colorado Mainstem
• Date: 6/1/2002
• Author: CDOW
• Title: Riverine Fish Flow Investigations 2002
• Water Supply Pro - Doc Type: Publication

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LIST OF TABLES

Recommended mean monthly flows [Osmundson et al (1995)] for the] 5-Mile
Reach in cubic ft/sec. __.___.____.______,___.____________._______.__________________________________._____ __________9

Mean monthly and monthly minimum flows recorded at the Palisade gage, ]5-
Mile Reach, Colorado River for summer months during the three year of

the study _ _ _. _ _ _ _. _ _ _ _ _ _ _ _ _.. _ _ _.' _ _ _ _ _ _ _. _.. _ _. _ _ _.. _ _ _ _ _ _ _. _ _. _ _. _. _ _ _. _ _ _ _.. _ _ _. _ _ _ _ _ _ _ _ _ _ _ _ _. _ _ _ _. _ _ _ _ _ _ _. _. _ _ _ _ _ _..' _ ] 0

Depth and velocity criteria used to define meso-habitat types_ _______._________._______._________.16

Species composition for fish over and under] 5 em caught in the Yampa River
in August/September 2001. ___.____.____.________________.___.__ ________________._________._______._._ _______18

Species composition from seine hauls at the Sevens and Duffy sites in 1999
and 200], Yampa River. ___._____.___._____.___._________._______.._____________.______.__._________ ._________.2]

Species composition for fish over 15 cm and less than 15 em at Com Lake and
Clifton in September/October 2001, Colorado River. ._____.__..________._________._.____ _______24

Species composition for fish over and less than 15 cm at the Big Gypsum site
on the Dolores River, July 2001. _.__ .._____._____________.._______._.___._______.____.____. __._______27

Mean lengths of bluehead sucker captured druing the study period (1998 to
200]) in the Yampa, Colorado and Dolores Rivers_ ._____._ ___________.__ _..__._..____ ._____28

Mean lengths of flannelmouth sucker captured druing the study period (1998
to 2001) in the Yampa, Colorado and Dolores Rivers_________________.______.___._________________29

Mean lengths of roundtail chub captured druing the study period (1998 to
2001) in the Yampa, Colorado and Dolores Rivers ____...___________..___.._______________.._______30

Yampa River population estimates with 95% C.I_ (recaptures), and density
estimates (No.1 1 OOOm), 200 I. Mean stream width is about 53 m at 125
cfs, (Stewart 2000)_ _ __ _..__ __.__ ____ _' _-. _. ___ ___ .__ _ .__ __ __ _.__ _ ______ _ ___ __. _._ __ _ __ __ __ _ ___ __.___ __ __. .__ _. _.. .__ _ 35

Fish density (fishlkm) estimates for the Duffy station, Yampa River for 1998,
1999, 2000 and 2001. Significant differences (alpha = 0_05) between
years are denoted by the letter (a, b, c, d) following estimate and *
indicates (alpha = 0_0083, Bonferroni)_ _ .______.._,_..__.___._____.____________.____________________._____36

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