8033

• UCREFRP Catalog Number: 8033
• Author: Lentsch, L. D., et al.
• Title: Endangered Fish Interim Management Objectives for the Upper Colorado River Basin Recovery And Implementation Program -Final Report.
• USFW Year: 1998.
• USFW - Doc Type: 55,
• Copyright Material: NO

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100
90 120/6 surv/year
j 80 14% survyear
p
L
m 76
60

> 50
O
V 40
30

20
m
E
w 10
0
100
90 17.5% survtyear 20% surviyea
y^i
L 80
m 70
60
d
s0
O 40-

30-
0
20
m
E
w 10
0
100
90
Q 60
.OT. 70
60
L
> s0
O
L) 40
L
0 30
d 20
E 10
w
0
Egg to larvae survivorship
37%smlMr +
Q _ survivorship,
40% surver
D 42% surv/year
middle Green lower Green Colorado
Population
Figure 4. Number of years required to meet management objectives in relation to changes in
survivorship values for eggs to larvae, YOY, and age-l Colorado squawfish.
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