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IDAHO DEPARTMENT of FISH and GAME FISHERIES MANAGEMENT ANNUAL REPORT Virgil Moore, Director

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IDAHO DEPARTMENT of FISH and GAME FISHERIES MANAGEMENT ANNUAL REPORT Virgil Moore, Director IDAHO DEPARTMENT OF FISH AND GAME FISHERIES MANAGEMENT ANNUAL REPORT Virgil Moore, Director SOUTHWEST REGION 2012 Arthur E. Butts, Regional Fishery Biologist Martin Koenig, Regional Fishery Biologist Joseph R. Kozfkay, Regional Fishery Manager Pete Gardner, Fishery Technician Robert Gillingham, Fishery Technician October 2013 IDFG #13-122 i 2012 Southwest Region (Nampa) Fisheries Management Report Table of Contents Lake and Reservoir Surveys Page ARROWROCK RESERVOIR ABSTRACT ................................................................................................................................. 1 INTRODUCTION ........................................................................................................................ 2 METHODS .................................................................................................................................. 2 Lowland Lake Survey ................................................................................................... 2 Nongame Fish Removal ............................................................................................... 3 RESULTS ................................................................................................................................... 4 Lowland Lake Survey ................................................................................................... 4 Nongame Fish Removal ............................................................................................... 4 DISCUSSION ............................................................................................................................. 5 MANAGEMENT RECOMMENDATIONS .................................................................................... 6 Tables ........................................................................................................................... 7 Figures ....................................................................................................................... 10 CREEL SURVEY OF BROWNLEE RESERVOIR ABSTRACT ............................................................................................................................... 15 INTRODUCTION ...................................................................................................................... 16 MANAGEMENT GOALS ........................................................................................................... 16 OBJECTIVES ........................................................................................................................... 16 METHODS ................................................................................................................................ 16 RESULTS ................................................................................................................................. 17 DISCUSSION ........................................................................................................................... 18 MANAGEMENT RECOMMENDATIONS .................................................................................. 18 Tables ......................................................................................................................... 19 Figures ....................................................................................................................... 21 ANGLER DEMOGRAPHICS AND USE OF COMMUNITY FISHING PONDS ABSTRACT ............................................................................................................................... 24 INTRODUCTION ...................................................................................................................... 25 MANAGEMENT GOAL ............................................................................................................. 26 OBJECTIVES ........................................................................................................................... 26 METHODS ................................................................................................................................ 26 Angler Demographics ................................................................................................. 28 RESULTS ................................................................................................................................. 28 Angler Demographics ................................................................................................. 30 DISCUSSION ........................................................................................................................... 31 MANAGEMENT RECOMMENDATIONS .................................................................................. 32 Tables ......................................................................................................................... 33 Figures ....................................................................................................................... 39 ii 2012 Southwest Region (Nampa) Fisheries Management Report - cont. DEADWOOD RESERVOIR ABSTRACT ............................................................................................................................... 44 INTRODUCTION ...................................................................................................................... 45 METHODS ................................................................................................................................ 46 Hydroacoustics ........................................................................................................... 46 Lowland Lake Survey ................................................................................................. 46 Chinook Redd Count .................................................................................................. 46 RESULTS ................................................................................................................................. 47 Hydroacoustics ........................................................................................................... 47 Lowland Lake Survey ................................................................................................. 48 Chinook redd counts ................................................................................................... 48 DISCUSSION ........................................................................................................................... 48 MANAGEMENT RECOMMENDATIONS .................................................................................. 49 Tables ......................................................................................................................... 50 Figures ....................................................................................................................... 52 DEVELOPMENT OF A CREEL INDEX TO ASSESS KOKANEE FISHERIES AT ARROWROCK AND LUCKY PEAK RESERVOIRS ABSTRACT ............................................................................................................................... 58 INTRODUCTION ...................................................................................................................... 59 MANAGEMENT GOAL ............................................................................................................. 59 OBJECTIVE .............................................................................................................................. 60 METHODS ................................................................................................................................ 60 Angler Catch Rate And Fish Size ............................................................................... 60 Size At Maturity .......................................................................................................... 61 RESULTS ................................................................................................................................. 61 Angler Catch Rate And Fish Size ............................................................................... 61 Size At Maturity .......................................................................................................... 62 DISCUSSION ........................................................................................................................... 62 Tables ......................................................................................................................... 64 Figures ....................................................................................................................... 65 ASSESSMENT OF LARVAL FISH PRODUCTION IN BROWNLEE AND CJ STRIKE RESERVOIRS ABSTRACT ............................................................................................................................... 72 INTRODUCTION ...................................................................................................................... 73 OBJECTIVES ........................................................................................................................... 73 METHODS ................................................................................................................................ 73 RESULTS ................................................................................................................................. 73 Brownlee Reservoir ...................................................................................................
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