|  
             Table 21.4  | 
           
             Mean catch-per-unit-effort and (standard error) for fish collected by bottom trawling in Pool 26 of the Upper Mississippi River using fixed-site sampling during 2002. 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 | TWZ | 
| Shovelnose sturgeon |  
               0.67  | 
          
(0.31)  | 
          |
| Gizzard shad |  
               0.08  | 
          
(0.08)  | 
          |
| Silver chub |  
               0.58  | 
          
(0.36)  | 
          |
| Emerald shiner |  
               0.17  | 
          
(0.11)  | 
          |
| River carpsucker |  
               0.08  | 
          
(0.08)  | 
          |
| Blue catfish |  
               7.67  | 
          
(2.34)  | 
          |
| Channel catfish |  
               2.83  | 
          
(2.39)  | 
          |
| Freshwater drum |  
               0.42  | 
          
(0.23)  | 
          
Sampling stratum:
        TWZ - Tailwater
August 26, 2004
Page Last Modified: April 17, 2018