| Table 12.6 |
Mean catch-per-unit-effort and (standard error) for fish collected by seining in La Grange Pool of the Illinois River using stratified random sampling during 2001. The statistics under ALL pertain to unbiased means over all strata sampled by this gear (as indicated by nonmissing entries below and by Table 2.6). 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 | ALL | BWCS | MCBU | SCB |
| Shortnose gar |
0.05 |
0.06 |
0.17 |
|
|
(0.04) |
(0.06) |
(0.10) |
||
| Skipjack herring |
0.46 |
0.41 |
0.50 |
0.04 |
|
(0.13) |
(0.24) |
(0.17) |
(0.04) |
|
| Gizzard shad |
69.61 |
2.59 |
96.75 |
33.71 |
(38.92) |
(1.14) |
(55.96) |
(11.73) |
|
| Threadfin shad |
7.45 |
0.50 |
10.28 |
3.63 |
|
(3.93) |
(0.17) |
(5.66) |
(1.42) |
|
| Grass carp |
0.03 |
0.05 |
0.03 |
|
|
(0.02) |
(0.05) |
(0.03) |
||
| Red shiner |
0.15 |
0.41 |
0.06 |
0.17 |
|
(0.07) |
(0.20) |
(0.06) |
(0.10) |
|
| Common carp |
0.04 |
0.14 |
||
|
(0.02) |
(0.07) |
|||
| Carp x goldfish hybrid |
0.01 |
0.05 |
||
|
(0.01) |
(0.05) |
|||
| Bighead carp |
0.05 |
0.05 |
0.06 |
|
|
(0.04) |
(0.05) |
(0.06) |
||
| Silver chub |
0.02 |
0.03 |
||
|
(0.02) |
(0.03) |
|||
| Golden shiner |
0.04 |
0.06 |
||
|
(0.03) |
(0.04) |
|||
| Emerald shiner |
53.98 |
28.27 |
64.25 |
42.50 |
(22.77) |
(6.72) |
(32.62) |
(21.45) |
|
| River shiner |
0.22 |
0.45 |
0.14 |
0.04 |
|
(0.12) |
(0.41) |
(0.07) |
(0.04) |
|
| Silverband shiner |
0.17 |
0.25 |
||
|
(0.14) |
(0.20) |
|||
| Sand shiner |
0.17 |
0.25 |
||
|
(0.11) |
(0.16) |
|||
| Bullhead minnow |
2.72 |
8.64 |
0.67 |
0.63 |
|
(1.28) |
(4.93) |
(0.29) |
(0.17) |
|
| River carpsucker |
0.12 |
0.45 |
||
|
(0.07) |
(0.26) |
|||
| Smallmouth buffalo |
0.57 |
1.36 |
0.31 |
0.17 |
|
(0.18) |
(0.62) |
(0.12) |
(0.10) |
|
| Bigmouth buffalo |
0.01 |
0.05 |
||
|
(0.01) |
(0.05) |
|||
| Unidentified buffalo |
0.46 |
1.14 |
0.17 |
1.08 |
|
(0.13) |
(0.47) |
(0.07) |
(0.33) |
|
| Black bullhead |
0.07 |
1.63 |
||
|
(0.07) |
(1.58) |
|||
| Channel catfish |
0.08 |
0.05 |
0.08 |
0.25 |
|
(0.04) |
(0.05) |
(0.05) |
(0.14) |
|
| Western mosquitofish |
0.86 |
0.32 |
0.78 |
5.17 |
|
(0.31) |
(0.14) |
(0.41) |
(2.55) |
|
| Brook silverside |
0.40 |
1.50 |
0.33 |
|
|
(0.18) |
(0.69) |
(0.19) |
||
| White bass |
1.14 |
0.59 |
1.28 |
2.17 |
|
(0.49) |
(0.45) |
(0.68) |
(0.95) |
|
| Yellow bass |
0.05 |
0.18 |
||
|
(0.04) |
(0.14) |
|||
| Green sunfish |
0.01 |
0.05 |
||
|
(0.01) |
(0.05) |
|||
| Bluegill |
1.67 |
5.45 |
0.28 |
1.54 |
|
(0.55) |
(2.11) |
(0.13) |
(0.61) |
|
| Smallmouth bass |
0.03 |
0.05 |
0.03 |
|
|
(0.02) |
(0.05) |
(0.03) |
||
| Largemouth bass |
0.69 |
2.45 |
0.06 |
0.50 |
|
(0.22) |
(0.86) |
(0.04) |
(0.18) |
|
| White crappie |
0.26 |
0.82 |
0.06 |
0.25 |
|
(0.18) |
(0.68) |
(0.04) |
(0.15) |
|
| Black crappie |
0.32 |
1.09 |
0.06 |
0.04 |
|
(0.16) |
(0.63) |
(0.04) |
(0.04) |
|
| Logperch |
0.06 |
0.14 |
0.03 |
0.08 |
|
(0.03) |
(0.10) |
(0.03) |
(0.06) |
|
| Slenderhead darter |
0.01 |
0.05 |
||
|
(0.01) |
(0.05) |
|||
| Sauger |
0.17 |
0.50 |
0.06 |
|
|
(0.11) |
(0.41) |
(0.04) |
||
| Freshwater drum |
1.03 |
0.36 |
1.06 |
4.46 |
|
(0.31) |
(0.15) |
(0.43) |
(1.92) |
|
| Unidentified |
0.00 |
0.04 |
||
|
(0.00) |
(0.04) |
Sampling strata:
BWCS - Backwater, contiguous, shoreline
MCBU - Main channel border, unstructured
SCB - Side channel border
August 26, 2004
Page Last Modified: April 17, 2018