8175

• UCREFRP Catalog Number: 8175
• Author: Converse, Y. K., L. D. Lentsch and R. Valdez.
• Title: Evaluation of Size-dependent Overwinter Growth and Mortality of Age-0 Colorado Pikeminnow.
• USFW Year: 1999.
• USFW - Doc Type: Salt Lake City, Utah.
• Copyright Material: NO

27

B.

25

Optimal
growth
(1000/0)

- :1

Growing I ~
season II:
I'
II
r
~
il
II
i'
I
~
r
~
!1
II

II
II
II
I
I

.--. 23
u
~
tn 21
Q)
e 19
C)
Q)
c 17

540/0

I
I
I
1\ \/~'
I
I
I
I
I
I

~(r\11

I
I
'I
I
I
I
,II

I
,
I
,1/
,
I
I
I,
I
I
I
I
I I
I

180/0 ~ ;/"':' ,J
.11
I

15

13
Ja Fe Ma Ap Ma Ju Ju Au Se Oc No De
Month

- Pre-dam _h__ Post-dam

Figure 10. Mean daily water temperatures above 130 C which represents growing season for
Colorado pikemirmow for A) the lower Green River and B) the middle Green River.
Solid line represents pre-dam period; Dashed line represents post-dam period.
Potential growth (Kaeding and Osmundson 1988) is shown by arrows. Shaded area
represents growing season available for age-O Colorado pikeminnow (post-spawning
period).

29