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

Table 5. Larval razorback sucker abundance estimates with 95% confidence limits and
mean growth rates for each experimental enclosure at the Baeser floodplain
wetland, Green River (RM 273): 2003.
Enclosure Density Date Total Abund. Lower Upper % Growth rate
_ Larvae/Acre RZ Est. limit limit Survival (mm/day)
lA 800 8/29/2003 1 0.67 1.78 0.67 0.61
1 B 800 8/29/2003 0 0 0 0
2A 1,200 8/29/2003 0 0 0 0
2B 1,200 8/29/2003 3 2.00 0 5.33 1.33 0.88
3A 4,000 8/21/2003 46 46.38 44.92 47.84 9.28 0.65
3B 4,000 8/21/2003 20 19.75 15.35 24.15 3.95 0.92
4A 8,000 8/21/2003 10 9.68 8.52 10.83 0.97 0.63
4B 8,000 8/21/2003 2 2.00 0.20 0.47
SA 18,000 8/7/2003 0 0 0 0
SB 18,000 8/7/2003 34 35.47 34.08 36.85 1.58 0.40
6A 36,000 8/7/2003 481 488.63 483.80 493.46 10.86 0.50
6B 36,000 8/7/2003 10 9.68 8.52 10.83 0.22 0.46
Total 607 614.26
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