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species to use different types of habitat. In the areas where 

 high densities of Arctic grayling were found (sample sections H 

 and J) , brook trout tended to occupy a wider range of habitats 

 than did the grayling fry. They used areas that ranged from 

 slow, shallow runs to fast riffles, and were sometimes found far 

 from cover, while at other times were in close association with 

 aquatic vegetation or undercut banks. 



I 



