9699

• UCREFRP Catalog Number: 9699
• Author: Brunson, R.E., and K.D. Christopherson.
• Title: Larval razorback sucker and bonytail survival and growth in the presence of nonnative fish in the Baeser floodplain wetland of the middle Green River.
• USFW Year: 2005.
• USFW - Doc Type: Utah Division of Wildlife Resources, Vernal, Utah.
• Copyright Material: NO

60
~ 50
40
N
30
m
~ 20
N
W 10
0
v v v v v v o 0 0 o v v v o o v o
0 0 0 0 0 0 o O o 0 0 0 o O p o 0
et ~ V eh W O N N O O O O O O O O O O
r r ~ a O O ~ ~ ~ M °a °a
Stocking Density (larvae/acre)
2003
^ 2004
Figure 1. Estimated survival of larval razorback sucker introduced at different densities
in the Baeser floodplain wetland, Green River (RM 273), 2003 and 2004.
c
m
a~ 70
a
60 ~ O
O 2004
3 50 I ^ 2003
N
~ > 40 -
c~ i O
o y 30 -
N 20 0o a
~ 10 -' O ~ ^ ~
o - ~---~-~:-~-..
~ ~-
y 0 50,000 100,000 150,000 200,000 250,000
W
Nonnative Density (fish/acre)
Figure 2. Estimated survival of larval razorback sucker relative to final nonnative fish
densities in the Baeser floodplain wetland, Green River (RM 273), 2003 and
2004.
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