18. Population estimates from the November 7 and 11, 1975 

 invertebrate/current samples (24 pooled samples from each 



station) 74 



19. Invertebrate population estimates and percentage composition, 



pooled Glendive and Intake sampling 75 



20. Percentage composition of invertebrate orders derived from 



kick samples taken at Glendive and Intake in 1975 82 



21. Synopsis of regression analysis on the current/depth data 

 (against number of taxa) showing significance for the three 



models for both sampling stations 83 



22. Synopsis of regression analysis on the current/depth data 

 (against number of organisms) showing significance for the 



three models for both sampling stations 84 



23. Invertebrate population estimates utilizing data from 



Intake station 18, subsections from WSP (water surface profile) 



and regression equation from November kick samples 98 



IX 



