9566

• UCREFRP Catalog Number: 9566
• Author: Miller, W. J., D. E. Rees and J. A. Ptacek.
• Title: Final Report - Elkhead Reservoir Escapement Recovery Program Project No.
• USFW Year: 2005.
• USFW - Doc Type: 118, Investigation of nonnative fish escapement from Elkhead Reservoir.
• Copyright Material: NO

Table 2. Summary of escapement netting at Elkhead Reservoir, 2003 and 2004.
Outlet S illwa
2003 Total Total
hours set 112 117
fish ca tured 0 282
Avera e Max Min Avera e max min
fish/hr/net 0 0 0 2.41 12.5 0
total fish per hour
(fish/hr*s illwa len th)
0
0
0
108.6
562.5
0
Total fish per day
(total fish*24)
0
0
0
2606.9
13500
0

2004 Total Total
hours set 120.17 247.5
fish ca tured 1 60
Avera e Max Min Avera e max min
fishlhr/net 0.01 0.5 0 0.24 5.5 0
total fish per hour
(*s illway len th)
0.01
0.5
0
10.9
247.5
0
Total fish per day
(total fih~~?-~)
', 0.2
12
0
261.8
5940
0
Table 3. Total number of fish collected during 2003 and 2004 escapement study.

ecies

Grand
Total

ercent Average
escapement
number per
hour Average
escapement
number
er da
2003
Blue ill (Le orris macrochirus) 45 16.0% 17.3 416.0
Smallmouth bass Micro emus dolomieu) 1 0.4% 0.4 9.2
Lar emouth bass (Micro terus salmoides 1 0.4% 0.4 9.2
Sand shiner (Notro is stramineus) 6 2.1% 2.3 55.5
Rainbow trout Oncorh nchus m kiss) 1 0.4% 0.4 9.2
Fathead minnow (Pime hales romelas 7 2.5% 2.7 64.7
Black cra ie (Pomoxis ni romaculatus) 220 78.0% 84.7 2033.5
S eckled dace (Rhinichth s osculus 1 0.4% 0.4 9.2
Grand Total 2003 282 100% 108.6 2606.9
2004
Blue ill (Le orris macrochirus 29 47.6% 5.2 124.6
Smallmouth bass (Micro emus dolomieu) 2 3.3% 0.3 8.6
Rainbow trout (Oncorh nchus m kiss 1 1.6% 0.2 4.3
Fathead minnow (Pime hales romelas) 1 1.6% 0.2 4.3
Black cra ie Pomoxis ni romaculatus) 28 45.9% 5.0 120.3
Grand Total (2004) 61 100% 10.9 262.0
FINAL REPORT -Elkhead Reservoir Escapement, Project No.: 118 Page 10
Miller Ecological Consultants, Inc. May 20, 2005