Table 4. Habitat features for YOY grayling collected in grids 



(N=33), electrof ishing upstream (N=35) , electrof ishing 

 downstream (N=42), and macrohabitat in adjacent areas 

 (N=1311) on the east channel of the Big Hole River 

 below Wisdom, August, 1989. 



Grid 



Upstream 



Downstream 



Macrohab , 



Variable 



Mean Rng. Mean Rng. Mean 



Rng. 



Mean 



Rng, 



Depth (ft) 1.32 .54- 



2.58 



98 .38- 1.10 .42- 

 1.67 2.08 



.83 



0.0- 

 3. 10 



Mean Vel 



(ft/s) 



78 .10- 

 1.84 



59 0.0- 

 2.18 



32 0.0- 

 1.50 



29 



0.0- 

 2.35 



Bottom 

 Vel (ft/s) 



56 0.0- 

 1.50 



46 0.0- 

 1.80 



27 0.0- 

 1.47 



Dist to 1.02 0.0- 1.16 0.0- 1.43 0.0- 

 Cover (ft) 6.50 4.00 4.50 



Embedded- 40.75 20- 52.43 25- 44.16 



ness (%) 

 Substrate 



70 



100 



20- 69.45 20- 

 75 100 



25 



