Contents 



Figure D-3: Relationship between number of bull trout fry successfully 



emerging from replicates of six gravel mixtures and the percentage 



of material smaller than 6.35 mm in each mixture 57 



Figure D-4: Relationship between transformed substrate scores 



and juvenile bull trout densities (number of trout > 75 mm/100 m*) 



for 15 tributary reaches in the Flathead River Basin during 1989 60 



Table D-2: Summary of 1989 rainbow trout spawning site 



inventories 60 



Table D-3: Summary of westslope cutthroat trout spawning site 



inventories from 1986-1987 61 



Table D-4: Summary of annual bull trout spawning site inventories 



between 1979 and 1989 62 



Figure D-5: Summary of annual bull trout redd counts in the North 



and Middle Forks of the Flathead River Drainage 



from 1979 through 1989 63 



Figure D-6: Summary of annual bull trout redd counts in the Swan 



River Drainage from 1982 through 1989 63 



Table D-5: Comparison of total fish density, juvenile bull trout density, 



and juvenile cutthroat trout density (for those > 75 mm/l(X)m^ 



calculated from electrofishing estimates at 28 sites around 



the Flathead Basin during 1989 65 



Figure D-7: Relationship between the arcsine transformations of the 



Sequoia index and transformed McNeil Core results 



for 28 watersheds in the Flathead Basin during 1989 66 



Figure D-8: Relationship between the arcsine transformations of 



HjOY model output and transformed McNeil core results 



for 28 watersheds in the Flathead Basin during 1989 66 



Figure D-9: Relationship between the arcsine transformations of the 



Sequoia index and transformed substrate scores 



for 28 watersheds in the Flathead Basin during 1989 '67 



Figure D-10: Relationship between the arcsine transformations 



of HjOY model output and transformed substrate scores 



for 28 watersheds in the Flathead Basin during 1989 67 



Application of the Montana Nonpoint Source Stream Reach Assessment 

 in the Flathead Basin (Tralles) 



Figure E-1: Map: Completed NSPS Stream Reach Assessments 



Upper Flathead River Basin 73 



Figure E-2: Nonpoint Source Stream Reach Assessment Overview 74 



Table E- 1 : Streams Ordered by Impairment Value 75 



Figure E-3: Impairment Values by Percentage of Total Streams (30) 76 



Figure E-4: Impairment Values by Percentage of Total Reaches (95) 77 



Page iv Flathead Basin Cooperative Program Final Report 



