Yakima River Steelhead Differentiation

Steelhead

Rainbow

Introduction

2000 Satus Cr.     95 2001 Satus Cr.     97 2000 Toppenish Cr.   97 2001 Toppenish Cr.   98 2000 Ahtanum Cr.   71 2001 Ahtanum Cr.   78 2004 Naches R.     84 2005 Naches R.     102 2000 Roza Dam     100 2001 Roza Dam     98 2003 Roza Dam     99 2005 Roza Dam     94 2001 Skamania H.   96

2001 Goldendale H.   48 2002 South Tacoma H.   50 2001 Eells Springs H.   89 2000 Spokane H.     96

SH Population

Roza Dam SH

Resident Trout

Prosser Dam

Conclusions

Small et al. (2006)