9449

• UCREFRP Catalog Number: 9449
• Author: Hawkins, J. A.
• Title: Recapture and growth rates of three Colorado River endangered fish species
• USFW Year: 2003.
• USFW - Doc Type: a comparison between electrofishing and non-electrofishing.
• Copyright Material: NO

~s
c 6
E 4 x ~ x
~ 2 ~ o
" 0 0
a~
-2 0
t _4
..
o -6 0 o x
~ -8
2.25 2.30 2.35 2.40 2.45 2.50 2.55 2.60 2.65
Logo Total Length
x EL o Net
.-. 5
L
c 4
0
~ 3
E
~ 2
~ 1
c~
~ 0
L
o -1
~ -2
o~ o
-ec ~ o B
O ® O
0
0
2.30 2.35 2.40 2.45 2.50
Logo Total Length
x EL o Net
2.55 2.60
A
B
Figure 2-Regresssion of growth rate (mm/month) as a function of logo total
length (mm) for humpback chub recaptured during first (A) or second (B)
growing seasons after initial capture by electrofishing (dashed line) or
non-electrofishing (solid line) gears. See Table 5 for regression equations.
22