8159

• UCREFRP Catalog Number: 8159
• Author: Trammell, M. and T. Chart.
• Title: Aspinall Studies
• USFW Year: 1999.
• USFW - Doc Type: Annual Assessment of Colorado Pikeminnow Larval Production in the Colorado River, Utah 1992-1996 \
• Copyright Material: NO

1992
160
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---
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5 B 7 8 9 10 11 12 13 14
140
~ 120
_U 100
° 80
60
~ 40
20
Total Length (mm)
WW n=86, x=9.0 MOAB, n=289, x=9.0
16
14
g 12
a
U 10
w
0 8
L
Q~
~ 6
E
~ 4
c
2
1994
------------ ----------------
5 6 7 8 9 10 11 12 13 14
Total Length (mm)
~ WW n=25, x=9.0 ~ MOAB, n=28, x=10.0
1996
250
~ 200 ----------- ----------------
a
w 150 ----------- ----------------,
o i
100 ----------- - --------------
c 50 ' ------ - - --------------
0~
5 6 7 8 9 10 11 12 13 14 15
Total Length (mm)
WW n=58, x=9.1 MOAB n=473, x=9.1
® MOAB(day) n=462, x=9.1
1993
80
a 60 f--------- --- ----------------
U t
.~ i
~ 40 t -
E
~ 20 ------ -- - ----------------
0 5 6 7 8 9 10 11 12 13 14
Total Length (mm)
~~ WW n=156, x=8.5 ~ MOAB, n=140, x=8.8
250
~ 200
a
150
0
L
~ 100
E
~ 50
1995
------------ v---------------
--------- - - ------------
5 6 7 8 9 10 11 12 13 14
Total Length (mm)
~ WW n=28, x=9.2 ® MOAB, n=358, x=9.0
Figure 5. Length frequency histograms for larval Colorado pikeminnow, 1992-1996.
34