79 



-.84 



9 u. 



LOG VARIANCE 



FIGURE 8. Relationship between the log variance of the average daily flows 

 (cfs) during the brown trout spawning period (September 15 - 

 October 31 ) and the estimated number of age I brown trout two 

 years later in the Hildreth Section of the Beaverhead River. 



a/ Indicates significance at 5% level. 



