LIST OF TABLES 



Number Page 



1 Physical characteristics of sample sections 



in the upper Big Hole River basin 8 



Total number and relative abundance of Arctic 



grayling and brook trout captured by 



electrof ishing in the Big Hole River drainage, 



June 21 - August 28, 1989 13 



Mean and range of total length of YOY Arctic 



grayling, mountain whitefish, and brook trout 



in the Big Hole River drainage, July 6 to 



August 28, 1989 15 



Habitat features for YOY grayling collected 



in grids, electrof ishing upstream, 



electrof ishing downstream, and adjacent 



macrohabitat areas on the east channel 



of the Big Hole River 25 



Frequency of cover types within a 3.28 square 



foot area centered on capture sites of YOY 



grayling within the larger macrohabitat 



areas 29 



Maximum daily water temperatures recorded on the 



Big Hole River and its tributaries, June 26 to 



August 22, 1989 30 



IV 



