Habitat Characteristics 



Data on the number of log jams, loafing sites, 

 vegetation density, streambed composition and other habitat 

 characteristics were recorded each mile of the surveys, 

 averaged, and compiled into Table 3. These characteristics 

 varied considerably along the stream continuum. Therefore 

 data presented here should only be considered as a rough 

 attempt to characterize a given stream. 



The number of log jams varied from zero to almost 

 12 per mile, reflecting the difference in overall stream 

 character. Cliff loafing sight availability also varied 

 considerably and was related the channel type (i.e. canyon- 

 type streams had more cliff loafing sites) . Mid stream 

 loafing sites similarly varied. It must be noted that water 

 levels were dropping throughout the study period, and stream 

 characters such as these obviously change with water level. 



Shrubs comprise the majority of the stream bank 

 vegetation, while trees and herbaceous plants appeared in 

 roughly equal proportions. Cobbles composed the largest 



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