|
Table 4.1. |
Mean catch-per-unit-effort and (standard error) for fish collected by day electrofishing in Pool 4 of the Upper Mississippi River using stratified random sampling during 2004. The statistics under ALL pertain to unbiased means over all strata sampled by this gear (as indicated by nonmissing entries below and by Table 2.1). 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 | MCBW | SCB |
|
Chestnut lamprey |
0.01
|
|
0.04
|
|
|
|---|---|---|---|---|---|
|
(0.01)
|
|
(0.04)
|
|
|
|
|
Silver lamprey |
0.06
|
0.08
|
0.08
|
|
|
|
(0.04)
|
(0.08)
|
(0.06)
|
|
|
|
|
Unidentified Petromyzontidae (lampreys) |
0.01
|
|
0.04
|
|
|
|
(0.01)
|
|
(0.04)
|
|
|
|
|
Longnose gar |
0.03
|
|
0.08
|
|
0.04
|
|
(0.02)
|
|
(0.08)
|
|
(0.04)
|
|
|
Bowfin |
0.24
|
0.42
|
|
|
0.21
|
|
(0.07)
|
(0.13)
|
|
|
(0.13)
|
|
|
Mooneye |
0.07
|
|
0.29
|
0.50
|
|
|
(0.04)
|
|
(0.15)
|
(0.34)
|
|
|
|
Gizzard shad |
6.78
|
4.00
|
4.25
|
0.33
|
12.54
|
|
(1.78)
|
(1.80)
|
(2.65)
|
(0.21)
|
(4.60)
|
|
|
Spotfin shiner |
0.75
|
0.21
|
0.38
|
0.17
|
1.77
|
|
(0.29)
|
(0.13)
|
(0.19)
|
(0.17)
|
(0.86)
|
|
|
Common carp |
4.22
|
3.38
|
3.67
|
0.17
|
5.83
|
|
(0.71)
|
(1.03)
|
(1.85)
|
(0.17)
|
(1.01)
|
|
|
Silver chub |
0.23
|
|
0.17
|
|
0.58
|
|
(0.16)
|
|
(0.13)
|
|
(0.50)
|
|
|
Golden shiner |
0.15
|
0.29
|
|
|
0.08
|
|
(0.06)
|
(0.14)
|
|
|
(0.06)
|
|
|
Emerald shiner |
108.66
|
151.21
|
22.50
|
1.17
|
120.00
|
|
(68.78)
|
(147.95)
|
(8.59)
|
(1.17)
|
(85.87)
|
|
|
River shiner |
0.22
|
|
0.88
|
|
|
|
(0.09)
|
|
(0.35)
|
|
|
|
|
Spottail shiner |
0.46
|
0.92
|
0.04
|
|
0.17
|
|
(0.23)
|
(0.52)
|
(0.04)
|
|
(0.13)
|
|
|
Mimic shiner |
0.34
|
0.25
|
0.50
|
|
0.33
|
|
(0.13)
|
(0.21)
|
(0.24)
|
|
(0.21)
|
|
|
Pugnose minnow |
0.72
|
0.88
|
|
|
1.08
|
|
(0.35)
|
(0.42)
|
|
|
(0.92)
|
|
|
Bluntnose minnow |
0.10
|
0.08
|
|
|
0.21
|
|
(0.06)
|
(0.06)
|
|
|
(0.17)
|
|
|
Fathead minnow |
0.02
|
0.04
|
|
|
|
|
(0.02)
|
(0.04)
|
|
|
|
|
|
Bullhead minnow |
1.30
|
1.92
|
|
|
1.51
|
|
(0.62)
|
(1.38)
|
|
|
(0.61)
|
|
|
Unidentified Cyprinidae (minnows) |
0.03
|
|
|
|
0.08
|
|
(0.03)
|
|
|
|
(0.08)
|
|
|
River carpsucker |
0.10
|
0.13
|
0.17
|
0.17
|
|
|
(0.05)
|
(0.07)
|
(0.17)
|
(0.17)
|
|
|
|
Quillback |
0.54
|
0.58
|
1.00
|
0.17
|
0.13
|
|
(0.19)
|
(0.30)
|
(0.55)
|
(0.17)
|
(0.07)
|
|
|
White sucker |
0.04
|
0.08
|
|
|
|
|
(0.02)
|
(0.06)
|
|
|
|
|
|
Blue sucker |
0.09
|
|
0.04
|
0.17
|
0.25
|
|
(0.08)
|
|
(0.04)
|
(0.17)
|
(0.25)
|
|
|
Smallmouth buffalo |
0.38
|
0.42
|
0.29
|
0.33
|
0.40
|
|
(0.16)
|
(0.33)
|
(0.19)
|
(0.33)
|
(0.16)
|
|
|
Bigmouth buffalo |
0.06
|
0.04
|
|
|
0.13
|
|
(0.04)
|
(0.04)
|
|
|
(0.13)
|
|
|
Spotted sucker |
1.38
|
2.63
|
|
|
0.79
|
|
(0.40)
|
(0.86)
|
|
|
(0.52)
|
|
|
Silver redhorse |
1.48
|
1.04
|
1.17
|
2.00
|
2.29
|
|
(0.29)
|
(0.38)
|
(0.30)
|
(0.77)
|
(0.71)
|
|
|
River redhorse |
0.30
|
|
0.33
|
5.17
|
0.63
|
|
(0.12)
|
|
(0.19)
|
(3.80)
|
(0.35)
|
|
|
Golden redhorse |
0.79
|
0.54
|
0.83
|
0.17
|
1.08
|
|
(0.18)
|
(0.16)
|
(0.48)
|
(0.17)
|
(0.35)
|
|
|
Shorthead redhorse |
2.76
|
1.33
|
3.13
|
6.50
|
4.35
|
|
(0.37)
|
(0.45)
|
(0.64)
|
(1.57)
|
(0.86)
|
|
|
Unidentified Catostomidae (suckers) |
0.30
|
0.21
|
0.38
|
|
0.38
|
|
(0.09)
|
(0.13)
|
(0.24)
|
|
(0.13)
|
|
|
Yellow bullhead |
0.02
|
0.04
|
|
|
|
|
(0.02)
|
(0.04)
|
|
|
|
|
|
Channel catfish |
0.21
|
0.13
|
0.13
|
|
0.39
|
|
(0.08)
|
(0.07)
|
(0.09)
|
|
(0.22)
|
|
|
Flathead catfish |
0.15
|
0.08
|
0.13
|
|
0.25
|
|
(0.06)
|
(0.06)
|
(0.09)
|
|
(0.14)
|
|
|
Northern pike |
0.48
|
0.54
|
0.58
|
|
0.33
|
|
(0.10)
|
(0.17)
|
(0.17)
|
|
(0.18)
|
|
|
Muskellunge |
0.01
|
|
0.04
|
|
|
|
(0.01)
|
|
(0.04)
|
|
|
|
|
Trout perch |
0.02
|
0.04
|
|
|
|
|
(0.02)
|
(0.04)
|
|
|
|
|
|
Brook silverside |
0.05
|
0.04
|
0.04
|
|
0.08
|
|
(0.03)
|
(0.04)
|
(0.04)
|
|
(0.06)
|
|
|
White bass |
2.02
|
0.21
|
4.42
|
1.17
|
2.58
|
|
(0.43)
|
(0.12)
|
(1.44)
|
(0.60)
|
(0.72)
|
|
|
Rock bass |
1.65
|
0.29
|
1.42
|
0.17
|
3.67
|
|
(0.65)
|
(0.11)
|
(0.71)
|
(0.17)
|
(1.96)
|
|
|
Green sunfish |
0.03
|
0.04
|
|
|
0.04
|
|
(0.02)
|
(0.04)
|
|
|
(0.04)
|
|
|
Pumpkinseed |
0.09
|
0.13
|
0.04
|
|
0.08
|
|
(0.05)
|
(0.09)
|
(0.04)
|
|
(0.08)
|
|
|
Orangespotted sunfish |
0.01
|
|
|
|
0.04
|
|
(0.01)
|
|
|
|
(0.04)
|
|
|
Bluegill |
8.01
|
11.88
|
1.46
|
|
8.04
|
|
(1.76)
|
(3.43)
|
(0.39)
|
|
(3.07)
|
|
|
Green sunfish x pumpkinseed hybrid |
0.02
|
0.04
|
|
|
|
|
(0.02)
|
(0.04)
|
|
|
|
|
|
Green sunfish x bluegill hybrid |
0.05
|
0.13
|
|
|
|
|
(0.04)
|
(0.09)
|
|
|
|
|
|
Smallmouth bass |
4.30
|
1.21
|
9.17
|
1.17
|
4.66
|
|
(0.55)
|
(0.47)
|
(1.23)
|
(0.48)
|
(1.30)
|
|
|
Largemouth bass |
6.39
|
9.42
|
1.33
|
|
6.35
|
|
(1.02)
|
(1.76)
|
(0.43)
|
|
(2.13)
|
|
|
White crappie |
0.25
|
0.50
|
|
|
0.13
|
|
(0.22)
|
(0.50)
|
|
|
(0.13)
|
|
|
Black crappie |
0.93
|
1.25
|
0.29
|
|
1.00
|
|
(0.23)
|
(0.46)
|
(0.09)
|
|
(0.35)
|
|
|
Johnny darter |
0.09
|
0.13
|
|
|
0.13
|
|
(0.05)
|
(0.07)
|
|
|
(0.13)
|
|
|
Logperch |
0.72
|
0.96
|
1.08
|
0.17
|
0.13
|
|
(0.34)
|
(0.72)
|
(0.58)
|
(0.17)
|
(0.09)
|
|
|
Slenderhead darter |
0.03
|
|
0.13
|
|
|
|
(0.02)
|
|
(0.09)
|
|
|
|
|
Yellow perch |
5.67
|
8.50
|
2.29
|
|
4.58
|
|
(1.53)
|
(3.11)
|
(1.46)
|
|
(2.09)
|
|
|
Sauger |
0.83
|
0.46
|
0.46
|
|
1.64
|
|
(0.26)
|
(0.17)
|
(0.15)
|
|
(0.77)
|
|
|
Walleye |
0.31
|
0.21
|
0.29
|
0.33
|
0.46
|
|
(0.09)
|
(0.08)
|
(0.15)
|
(0.33)
|
(0.24)
|
|
|
Freshwater drum |
1.75
|
1.96
|
0.79
|
1.50
|
2.21
|
|
(0.36)
|
(0.72)
|
(0.26)
|
(0.22)
|
(0.57)
|
Sampling strata:
BWCS - Backwater, contiguous, shoreline
MCBU - Main channel border, unstructured
MCBW - Main channel border, wing dam
SCB - Side channel border
September 19, 2005Page Last Modified: April 17, 2018