Fraser River Sockeye Fisheries and Fisheries Management - Cohen ...

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CSAS. 2007 Pre-season run size forecasts for Fraser River sockeye salmon and pinksalmon in 2007. Can. Sci. Adv. Sec. Sci. Adv. Rep. 2006/043.CSAS. 2009 Pre-season run size forecasts for Fraser River sockeye salmon and pinksalmon in 2009. Can. Sci. Adv. Sec. Sci. Adv. Rep. 2009/022.CSAS. 2010 Pre-season run size forecasts for Fraser River sockeye salmon in 2010. Can.Sci. Adv. Sec. Sci. Adv. Rep. 2010/031.Cultus Sockeye Recovery Team. 2004. National recovery strategy for sockeye salmon(Oncorhynchus nerka), Cultus Lake population, in British Columbia. NationalRecovery Strategy No. XXX. Recovery of Nationally Endangered Wildlife(RENEW). Ottawa, Ontario, 48 pp.Cultus Sockeye Recovery Team. 2009. National conservation strategy for Cultus Lakesockeye salmon (Oncorhynchus nerka). Can. Tech. Rep. Fish. Aquat. Sci. 2846: viii+ 46p.Dann, T.H., C. Habicht, J.R. Jasper, H.A. Hoyt, A.W. Barclay, W.D. Templin, T.T.Baker, F.W. West, and L.F. Fair. 2009. Genetic stock composition of thecommercial harvest of sockeye salmon in Bristol Bay, Alaska, 2006-2008. AlaskaDepartment of Fish and Game, Fishery Manuscript Series No. 09-06, Anchorage.Dempson J.B., G. Furey and M. Bloom. 2002. Effects of catch and release angling onAtlantic salmon, Salmo salar L., of the Conne River, Newfoundland. Fish. Manage.Ecol. 9:139-147.Devitt, S., K.K. English, D, Schmidt, J. Joseph and C. Chaffee. 2010. The BritishColumbia Commercial Sockeye Salmon Fisheries. Final Certification ReportVolume 1 prepared for the British Columbia Salmon Marketing Council as part ofthe Marine Stewardship Council Fisheries Certification Process. 211pp.DFO. 2001. Southcoast Salmon Integrated Fisheries Management Plan 1996-2004. DFOCan. Sci. Advis. Sec. Advis. Rep. 2009/031.DFO. 2003. Cultus Lake Sockeye Salmon. Can. Sci. Advis. Sec. Status Rep. 2003/024.DFO. 2009. Revisions to official DFO commercial Pacific Salmon catch estimates for1996-2004. Can. Sci. Advis. Sec. Status Rep. 2009/031. 26pp.DFO. 2009b. Fraser Sockeye Escapement Strategy 2009. Model Overview and Summaryof 2009 Planning Simulations. Prepared by Fisheries and Oceans, Canada. June 12,2009. 29pp.179
DFO. 2010. Assessment of Cultus Lake Sockeye Salmon in British Columbia in 2009and Evaluation of Recent Recovery Activities. DFO Can. Sci. Advis. Sec. Sci.Advis. Rep. 2010/056.Donaldson, M.R., S.G. Hinch, D.A. Patterson, J. Hills, J.O. Thomas, S.J. Cooke, G.D.Raby, L.A. Thompson, D. Robichaud, K.K. English and A.P. Farrell. 2011. Theconsequences of angling and beach seine capture on the physiology, post-releasebehaviour and survival of adult sockeye salmon during upriver migration. FisheriesResearch 108 (2011) 133-141.Donaldson, M.R., R. Arlinghaus, K.C. Hanson and S.J. Cooke. 2008. Enhancing catchand release science with biotelemetry. Fish and Fisheries 9: 79-105.Dye, J.E. and C.J. Schwanke. 2009. Report to the Alaska Board of Fisheries for therecreational fisheries of Bristol Bay, 2007, 2008, and 2009. Spec. Pub. 09-14.Alaska Department of Fish and Game, Division of Sport Fish, Dillingham, AK.Eggers, D.M. 2003. Run forecasts and harvest projections for 2003 Alaska salmonfisheries and review of the 2002 season. Alaska Department of Fish and Game,Regional Information Report 5J03–01, Juneau.Eggers, D.M. and D.E. Rogers. 1987. The cycle of runs of sockeye salmon(Oncorhynchus nerka) to the Kvichak River, Bristol Bay, Alaska: cyclic dominanceor depensatory fishing? Can. Spec. Publ. Fish. Aquat. Sci. 96: 343-366.English, K.K., T.F. Shardlow and T.M. Webb. 1986. Assessment of the Strait of Georgiasport fishing statistics, sport fishing regulations and trends in chinook catch usingcreel survey data. Can. Tech. Rep. Fish. Aquat. Sci. No. 1375. 53pp.English, K.K., G.F. Searing and D.A. Nagtegaal. 2002. Review of the Strait of Georgiarecreational creel survey, 1983-1999. Can. Tech. Rep. Fish. Aquat. Sci. 2414. 81p.English, K. K., W. R. Koski, C. Sliwinski, A. Blakley, A. Cass and J.C. Woodey. 2005.Migration timing and in-river survival of Late-run Fraser River sockeye usingradio-telemetry techniques. Trans. Amer. Fish. Soc. 134:1342-1365.English, K.K., R. E. Bailey, and D. Robichaud. 2007. Assessment of Chinook returns tothe Fraser River watershed using run reconstruction techniques, 1982-04. CanadianScience Advisory Secretariat, Research Document. 2007/020. 76 p.Enzenhofer, H.J., G.M.W. Cronkite and J.A. Holmes. 2010. Application of DIDSONimaging SONAR at Qualark Creek on the Fraser River for enumeration of adultPacific salmon: An operational manual. Can. Tech. Rep. Fish. Aquat. Sci. 2869.37p.180
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Fraser River Sockeye Fisheriesand F
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EXECUTIVE SUMMARY1. Catch Monitorin
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implement harvest rate ceilings to
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Table of ContentsEXECUTIVE SUMMARY
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List of TablesTable 1 Annual estima
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List of FiguresFigure 1 Fraser sock
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Figure 21 Estimates of total catch,
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List of AppendicesAppendix A Statem
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used to (1) estimate catch for each
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FISHERIES HARVESTINGOverview of Fis
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Figure 1 Fraser sockeye marine migr
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Table 2 Summary of available inform
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Table 3 provides the annual estimat
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Table 4 Summary of available inform
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season update teleconference meetin
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Catch Estimation MethodsThe procedu
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catch estimates was detected using
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of precision. The overall rating fo
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1998-00 - No agreements with Sto:lo
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initiation of the AFS Agreements in
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Table 12 Comparison of annual socke
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Table 13 Annual estimates of the ha
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Canadian Commercial FisheriesThe pr
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logbook systems. In addition to the
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Table 15 Fraser River sockeye salmo
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Available catch estimates for the r
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Table 17 Summary of available infor
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anged from less than 100 to over 30
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Washington State Recreational Fishe
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equirements have been applied to se
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salmon were biopsied or tagged with
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Stellako-Late Stuart and 531 Adams)
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FISHERIES MANAGEMENTOverview of Pre
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parents of the recruits). Effective
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within the confidence limits. For e
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Ratio of Return to Forecast5.04.03.
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Ratio of Return to Forecast5.04.03.
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Table 20 Pre-season forecast models
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different from the straight line),
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Prediction ability of ForecastsProp
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Stock MAPEReturn Explainedby Foreca
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test fisheries are analyzed in-seas
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Inputs to the cumulative-normal mod
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eginning of the runs, but by mid-ru
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Median Absolute Percent Error (1997
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variety of hydroacoustic techniques
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enefited from improved technologies
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Post-season estimates of Escapement
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precision achieved was considerably
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m 3 /sec during the sockeye run. Fi
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Escapement TargetsOur evaluations r
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20% of the average of the 4-year se
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Table 24 Low escapement benchmarks
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Table 25 Comparison of post-season
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fisheries have been permitted to ta
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sub-dominant cycle years (e.g., 200
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SummaryLow Escapement Benchmarks (L
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Extent of OverharvestingThe estimat
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2,000,0001,800,000Early StuartCatch
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Cultus Lake Sockeye Recovery Effort
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Figure 23 Number of adult sockeye e
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Recovery ObjectivesIn anticipation
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2008 the escapement estimate was 34
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BRISTOL BAY, ALASKA SOCKEYE FISHERY
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accurate, precise, and timely, (2)
Page 132 and 133: The Bay is subjected to large tidal
Page 134 and 135: activity (Bocking and Peterman 1988
Page 136 and 137: % of total run45%40%35%30%25%20%15%
Page 138 and 139: Harvest estimation methodsTotal har
Page 140 and 141: Millions of sockeyeYearFigure 27 Hi
Page 142 and 143: management structure complements th
Page 144 and 145: 1.5Togiak4.03.5NushagakMillions of
Page 146 and 147: Millions of sockeye7.06.05.04.03.02
Page 148 and 149: logical given the dynamics of the r
Page 150 and 151: 1.61.4Number of fish (millions)1.21
Page 152 and 153: Pre-season forecastsAs noted above,
Page 154 and 155: 8.0y = 0.79x + 1.59R² = 0.417.8Log
Page 156 and 157: 12010080MAPE60402001971-1980 1981-1
Page 158 and 159: Median percent error (MPE)3020100-1
Page 160 and 161: Table 28 Average age composition of
Page 162 and 163: dampeners to reduce surface turbule
Page 164 and 165: current year’s run is accounted f
Page 166 and 167: and 1999 Revised Annexes. This inte
Page 168 and 169: Bristol Bay was in 1997 when there
Page 170 and 171: upon by managers to determine when
Page 172 and 173: STATE OF THE SCIENCECatch Monitorin
Page 174 and 175: 2006) due to concerns regarding the
Page 176 and 177: RECOMMENDATIONS1. DFO needs to ensu
Page 178 and 179: LITERATURE CITEDAdkison, M.D. and R
Page 180 and 181: Beacham, T.D., M. Lapointe, J.R. Ca
Page 184 and 185: Evans, D.G., J.B. Browning and B.G.
Page 186 and 187: Hardie, D.C., D.A. Nagtegaal, K. He
Page 188 and 189: Pacific Salmon Commission. 1998. Re
Page 190 and 191: Robichaud, D., J.J. Smith, K. K. En
Page 192 and 193: Valderrama, D. and J.L. Anderson. 2
Page 194 and 195: Appendix A Statement of Work.Cohen
Page 196 and 197: All sectors3.7 The Contractor will
Page 198 and 199: “State of the Science”. Comment
Page 200 and 201: 3.3 The Contractor will review and
Page 202 and 203: Appendix BList of requests to DFO b
Page 204 and 205: DFO Request 15: Recent CSAS documen
Page 206 and 207: Item Description DateRequestedReque
Page 208 and 209: Appendix CFirst Nation catch monito
Page 210 and 211: Table C-1 Summary of information re
Page 212 and 213: Table C-2 Weekly catch monitoring e
Page 214 and 215: Table D-1 Summary of information re
Page 216 and 217: community of Port Renfrew. The area
Page 218 and 219: IPrecision ( + % of the estimate)10
Page 220 and 221: Table E-2 Annual Strait of Georgia
Page 222 and 223: Table E-4 Annual Johnstone Strait e
Page 224 and 225: Table E-6 Lower Fraser River recrea
Page 226 and 227: 0 would mean that the forecast does
Page 228 and 229: the general ups and downs of the ob
Page 230 and 231: Appendix G Graphical representation
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Early Stuart Timing GroupEarly Stua
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Summer-run Timing GroupSummer run7.
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Fraser River Indicator Stocks (list
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Appendix H Pre-season forecast: sum
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ManagementGroup(IndicatorStock)MAPE
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ManagementGroup(IndicatorStock)MAPE
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Appendix I Methods of In-season Sto
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Marine Gillnet Test FisheriesThe gi
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Expansion line (x1000)9080706050403
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Table I-2 Mean values for purse sei
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Figure I-5 Map of test fishing loca
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Appendix J The Hydroacoustics progr
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An SEF project was secured in 2007
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Conservation action Comments Partne
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Table K-2 Summary of actions to rec
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Table L-1 Catch and escapement of s
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Table L-3 Performance criteria of p
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Ratio of annual return to the avera
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Appendix M Reviewer comments on the
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Request #5: Sockeye allocations by
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utility of pre-season forecasts. Pr
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3. Are there additional quantitativ
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made via tagging and experimentatio
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Page 60: The authors make extensive
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ensure the reader does not assume t
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The reported excerpts from Bradford
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(budgets, legal issues, pseudo-cons
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REVIEW 3/3Reviewer Name: Dr Sean Co
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season forecasts that eventually co
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allocation shows "No agreement", an
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size.Figures showing errors for pre
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Goals can easily generate confusion
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Total rows from all these tables be
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Exploitation Rate100%90%80%70%60%50
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Exploitation RateEarly Stuart90%80%
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