LIST OF TABLES 



TABLE 20. Estimated numbers (N/1000 ft) and biomass 



(lbs/1000 ft) of rainbow trout by age groups in 

 nine sections of the Beaverhead River during Spring, 

 1975 and 1976. 80% confidence interval in 

 parenthesis 



TABLE 21. Minimum and maximum average daily flows (cfs) between 

 April land March 31 in 9 sections of the Beaverhead 

 River in 1973-74, 1974-75, and 1975-76 



TABLE 22. Relationship between annual rates of population 



decrease (%) of age II and older brown trout and mean 

 flows (cfs) in a series of study sections in the 

 Beaverhead River between spring, 1975 and spring 

 1976. Range of average daily flows in parenthesis. . 



TABLE 23. Summary of turbidity (JTU) measurements for 10 

 sites on the Beaverhead River. Samples were 

 collected between March 13, 1975 and February 27, 

 1976 



TABLE 24. Summed results for kick samples collected in a series 

 of study sections in the Beaverhead River on October 

 22, 1975. Three samples were collected in a riffle 

 in each section 



TABLE 25. Estimated numbers (N/1000 ft) and biomass (lbs/1000 ft) 

 of brown trout by age groups in the Pipeorgan Section 

 (8513 ft) of the Beaverhead River between 1967 and 

 1976. Rainbow trout were too scarce to estimate. 

 80% confidence interval in parenthesis 



TABLE 26. Estimated numbers (N/1000 ft) and biomass (lbs/1000 ft) 

 of brown trout by age groups in the Barretts Upstream 

 Section (5792 ft) of the Beaverhead River between 1967 

 and 1976. Rainbow trout were too scarce to estimate. 

 80% confidence interval in parenthesis 



TABLE 27. Estimated numbers (N/1000 ft) and biomass (lbs/1000 ft) 

 of brown trout by age groups in the Wheat Section 

 (9908 ft) of the Beaverhead River between 1968 and 

 1976. 80% confidence interval in parenthesis .... 



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