9531

• UCREFRP Catalog Number: 9531
• Author: Hudson, J. M. and J. A. Jackson.
• Title: Populaiton Estimates for Humpback Chub ‎(Gila cypha)‎ and Roundtail Chub ‎(gila robusta)‎ in Westwater Canyon, Colorado River, Utah, 1998-2000.
• USFW Year: 2003.
• USFW - Doc Type: Salt Lake City.
• Copyright Material: NO

Roundtail Chub ISMP Length-Frequency
1996

f

zo _ _ _.
_ ~
n
~ 15 -.-..- __ -- _. _ '.
4 V
i w to _ _
• 5 ... ..... ... ..
r
p .i~i1.i.,t. - _ _~
a a ~ o a M1~ a s a M1~ a o~.._'o _al
~ M N M M N M ~ M
r N N N N M M M M 4 Q
Length (mm )
Roundtail Chub ISIVIP Length-Frequency
1997
zo
r 15 _.~ _. - _ _.... - --... ~ __.. _
A N i
4
` r 30 __.. _._ . ....... ..... . _.. _.__ _ _ _ _.. _.
F ~
i 5 _. _
O N M1 P a ~ N M1 ~ a M W a O O M N
r r r M N N N N M M M M M 4 R Q
Length (mm )
Roundtail Chub ISMP Length-Frequency
1998
za .-~ _ _~._- - - - -- -- -
V 15 -.:. _. __ _... .:.~ __. _...
A M '- __
4
~ ~ 10 ..._.~._.. _., .....w .. _.._ _.._:..._ .. _..~.....,. _. _
t ~
r _.. __._. __. _: __
4
o ,X1~i+~
w °r o 0 o a o 0 o a a o 0 0 o e
r r r M N N M M M M M M M Q 9 4
Length (mm )
Roundtail Chub ISNTP Length-Frequency
1999
zo-.--
~w
V '
•
• 5 ~
~ r
~ ~
a `~a o o a o a o 0 0~ a a a~
~ ~ M M ~ ~ o T M N
N N N M M M M M Q Q 4
Langth (mm)
Roundtail Chub ISMP Length-Frequency
2000
zo .--
~ is E
k -
Y
• ~ 10
~ j
•
~ 5 i
r
0
r r r N N N N N M M M M M R Q Q
Length (m m )
Figure 12 (continuea~. Westwater Canyon roundtail chub ISMP length-frequency histograms for
~ 1988-2000. Frequency is illustrated as percentage of total individuals (n)
within a given size class.

~ 28