SANTIAM AND CALAPOOIA SUBBASIN FISH MANAGEMENT PLAN Prepared by Mary Jo Wevers Joe Wetherbee Wayne Hunt Oregon Department of Fish and Wildlife March 1992 TABLE OF CONTENTS Page INTRODUCTION ........................................................................................................................................... 1 GENERAL CONSTRAINTS .......................................................................................................................... 3 HABITAT....................................................................................................................................................... 6 Background and Status.................................................................................................................... 6 Basin Description................................................................................................................. 6 Land Use............................................................................................................................. 9 Habitat Protection.............................................................................................................. 22 Habitat Restoration............................................................................................................ 22 Policies........................................................................................................................................... 23 Objectives....................................................................................................................................... 23 WINTER STEELHEAD................................................................................................................................ 28 Background and Status.................................................................................................................. 28 Origin................................................................................................................................. 28 Life History and Population Characteristics....................................................................... 28 Hatchery Production.......................................................................................................... 34 Angling and Harvest.......................................................................................................... 36 Management Considerations.......................................................................................................... 37 Policies........................................................................................................................................... 38 Objectives....................................................................................................................................... 39 SUMMER STEELHEAD.............................................................................................................................. 47 Background and Status.................................................................................................................. 47 Origin................................................................................................................................. 47 Life History and Population Characteristics....................................................................... 47 Hatchery Production.......................................................................................................... 51 Angling and Harvest.......................................................................................................... 54 Management Considerations.......................................................................................................... 55 Policies........................................................................................................................................... 56 Objectives....................................................................................................................................... 56 COHO SALMON ......................................................................................................................................... 60 Background and Status.................................................................................................................. 60 Origin................................................................................................................................. 60 Life History and Population Characteristics....................................................................... 60 Hatchery Production.......................................................................................................... 60 Angling and Harvest.......................................................................................................... 62 Management Considerations.......................................................................................................... 63 Policies........................................................................................................................................... 63 TABLE OF CONTENTS-continued Page SPRING CHINOOK SALMON .................................................................................................................... 64 Background and Status.................................................................................................................. 64 Origin................................................................................................................................. 64 Life History and Population Characteristics....................................................................... 64 Hatchery Production.......................................................................................................... 69 Angling and Harvest.......................................................................................................... 70 Management Considerations.......................................................................................................... 72 Policies........................................................................................................................................... 73 FALL CHINOOK SALMON......................................................................................................................... 80 Background and Status.................................................................................................................. 80 Origin................................................................................................................................. 80 Life History and Population Characteristics....................................................................... 80 Hatchery Production.......................................................................................................... 83 Angling and Harvest.......................................................................................................... 84 Management Considerations.......................................................................................................... 85 Policies........................................................................................................................................... 86 Objectives....................................................................................................................................... 86 SOCKEYE SALMON................................................................................................................................... 89 Background and Status.................................................................................................................. 89 Origin................................................................................................................................. 89 Life History and Population Characteristics....................................................................... 89 Hatchery Production.......................................................................................................... 89 Angling and Harvest.......................................................................................................... 90 Management Considerations.......................................................................................................... 91 Policies........................................................................................................................................... 91 TROUT AND WHITEFISH........................................................................................................................... 92 Background and Status.................................................................................................................. 92 RAINBOW TROUT............................................................................................................ 92 Origin.................................................................................................................... 92 Life History and Population Characteristics.......................................................... 92 Hatchery Production............................................................................................. 93 Angling and Harvest............................................................................................. 98 Management Considerations.............................................................................. 101 CUTTHROAT