CONTENTS 



Page 



Introduction 1 



Number, density, and distribution of spawners 2 



Number and density of spawners 2 



Distribution of large and small females 3 



Distribution of early- and late -spawning females 3 



Density, distribution, and survival of eggs, alevins, and fry 4 



Density and distribution of deposited eggs 4 



Survival of embryos and alevins 5 



Patterns of fresh-water nnortality ' 



Summary and conclusions 8 



Acknowledgments 11 



Literature cited 11 



