Table 10. Age, number and biomass structure of sauger in an 8 km 

 section of the Yellowstone River at miles City, fall, 1978-1979. 



Total 1981 



650 



(1576-2666) (517-875) 

 Confidence Interval 95% 



1416°' 466 



(Preliminary estimate) 1809* 

 (1147-1850) (377-608) (1743-1880) 



Significantly different at p<.01 

 Significantly different at p<0.10 



Life History and Population Statistics of Walleye 



Relative Abundance and Sex Ratios 



A total of 155 walleye were captured at sampling stations in 



the Yellowstone River drainage upstream from Intake diversion 



during March-May, 1976-1980 (Table 11) . This represents only 3 



percent of the combined walleye-sauger catch in this reach of river 



Table 11. Number and (percent) by sex of walleye captured in the 

 Yellowstone River drainage, March - May, 1976-1980. 



64 



