Upper Midwest Environmental Sciences Center
| Table 15.6 |
Mean catch-per-unit-effort and (standard error) for fish collected by night electrofishing in La Grange Pool of the Illinois River using fixed-site sampling during 2000. See Methods for definitions of catch-per-unit-effort and standard error. Scientific names for the species listed can be found in Table 1. |
| Common name | SCB | TWZ |
| Spotted gar | 0.50 |
0.00 |
| (0.34) |
(0.00) |
|
| Longnose gar | 1.33 |
0.17 |
| (0.99) |
(0.11) |
|
| Shortnose gar | 0.00 |
1.75 |
| (0.00) |
(0.57) |
|
| Bowfin | 0.00 |
0.25 |
| (0.00) |
(0.25) |
|
| Skipjack herring | 0.50 |
0.67 |
| (0.34) |
(0.50) |
|
| Gizzard shad | 40.83 |
68.58 |
(15.07) |
(16.09) |
|
| Threadfin shad | 0.17 |
0.42 |
| (0.17) |
(0.23) |
|
| Goldfish | 0.00 |
0.25 |
| (0.00) |
(0.18) |
|
| Grass carp | 1.00 |
0.67 |
| (0.63) |
(0.28) |
|
| Red shiner | 0.17 |
0.00 |
| (0.17) |
(0.00) |
|
| Common carp | 15.83 |
10.25 |
| (5.30) |
(2.75) |
|
| Carp x goldfish hybrid | 0.17 |
0.33 |
| (0.17) |
(0.19) |
|
| Silver carp | 2.33 |
0.17 |
| (1.80) |
(0.11) |
|
| Bighead carp | 0.17 |
0.50 |
| (0.17) |
(0.23) |
|
| Emerald shiner | 2.00 |
4.67 |
| (0.63) |
(1.61) |
|
| River carpsucker | 0.50 |
1.92 |
| (0.34) |
(1.02) |
|
| Smallmouth buffalo | 8.83 |
20.92 |
| (2.70) |
(8.18) |
|
| Bigmouth buffalo | 13.00 |
1.75 |
| (3.64) |
(0.74) |
|
| Black buffalo | 0.83 |
0.58 |
| (0.54) |
(0.29) |
|
| Shorthead redhorse | 0.33 |
0.08 |
| (0.33) |
(0.08) |
|
| Yellow bullhead | 0.00 |
0.08 |
| (0.00) |
(0.08) |
|
| Channel catfish | 0.50 |
1.17 |
| (0.22) |
(0.68) |
|
| Flathead catfish | 1.83 |
0.58 |
| (0.54) |
(0.23) |
|
| Brook silverside | 0.00 |
0.08 |
| (0.00) |
(0.08) |
|
| White perch | 0.00 |
1.08 |
| (0.00) |
(0.71) |
|
| White bass | 2.50 |
40.67 |
| (1.18) |
(12.80) |
|
| Yellow bass | 0.17 |
3.92 |
| (0.17) |
(2.04) |
|
| Striped x white bass | 0.00 |
0.08 |
| (0.00) |
(0.08) |
|
| Bluegill | 7.33 |
10.08 |
| (3.45) |
(2.62) |
|
| Green x bluegill sunfish | 0.17 |
0.08 |
| (0.17) |
(0.08) |
|
| Smallmouth bass | 0.00 |
0.08 |
| (0.00) |
(0.08) |
|
| Largemouth bass | 3.83 |
10.25 |
| (1.40) |
(4.19) |
|
| White crappie | 0.50 |
1.42 |
| (0.50) |
(0.53) |
|
| Black crappie | 0.50 |
2.08 |
| (0.34) |
(0.47) |
|
| Logperch | 0.00 |
0.08 |
| (0.00) |
(0.08) |
|
| Sauger | 0.00 |
4.83 |
| (0.00) |
(2.08) |
|
| Walleye | 0.00 |
0.75 |
| (0.00) |
(0.41) |
|
| Freshwater drum | 8.17 |
4.75 |
| (3.04) |
(2.53) |
Sampling strata:
SCB - Side channel border
TWZ - Tailwater
August 26, 2004
Page Last Modified: April 17, 2018