Table of contents

Precocious Wild and Hatchery Spring Chinook on the Spawning Grounds

Spring Chinook Precocious Male Life-History

Background

Study Objectives

Study Area

Methods Precocious male abundance on the spawning grounds

Methods Precocious male abundance off the spawning grounds

Index of abundance on the spawning grounds

Spring Temperature

Slide 10

Hatchery and NP spc on the spawning grounds

Slide 12

Index of precocious males per female parent

Hatchery Spring Chinook released v.s. on the redds

Hatchery Spring Chinook released v.s. off the redds

Distribution off the redds 1999-2006

Summary

Acknowledgements

PowerPoint Presentation

Author: Dave Fast

E-mail: fast@yakama.com