Table 13 Annual estimates of the harvest of <strong>Fraser</strong> sockeye by Canadian fisheriesinside <strong>and</strong> outside of the <strong>Fraser</strong> Panel Area waters, 1986-2009 (extractedfrom PSC annual reports).YearAreas 121-124 Troll<strong>Fraser</strong> <strong>River</strong> Panel AreaArea 20 Areas 17-18Net <strong>and</strong> 29 TrollArea 29NetTotalNon-Panel AreasAreas 1-10 Areas 11-16 Areas 124-Troll <strong>and</strong> Net Troll <strong>and</strong> Net 127 Troll 1 TotalSelective<strong>Fisheries</strong>1986 206,000 2,003,000 209,000 2,535,000 4,953,000 37,000 2,195,000 1,610,000 3,842,000 0 8,795,0001987 208,000 463,000 33,000 600,000 1,304,000 79,000 1,572,000 277,000 1,928,000 0 3,232,0001988 16,000 219,000 77,000 682,000 994,000 2,000 148,000 32,000 182,000 0 1,176,0001989 463,000 3,286,000 65,000 2,420,000 6,234,000 350,000 4,984,000 584,000 5,918,000 0 12,152,0001990 312,000 3,379,000 324,000 3,032,000 7,047,000 1,079,000 2,738,000 1,594,000 5,411,000 0 12,458,0001991 275,000 1,278,000 124,000 811,000 2,488,000 257,000 2,420,000 1,117,000 3,794,000 0 6,282,0001992 103,000 880,000 4,000 257,000 1,244,000 169,000 2,049,000 66,000 2,284,000 0 3,528,0001993 148,000 460,000 137,000 2,630,000 3,375,000 1,211,000 8,684,000 477,000 10,372,000 0 13,747,0001994 233,000 846,000 352,000 1,298,000 2,729,000 1,145,000 6,042,000 119,000 7,306,000 0 10,035,0001995 9,000 61,000 1,000 186,000 257,000 43,000 476,000 23,000 542,000 0 799,0001996 1,000 69,000 4,000 708,000 782,000 0 173,000 0 173,000 0 955,0001997 0 259,000 19,000 1,315,000 1,593,000 434,000 6,408,000 0 6,842,000 0 8,435,0001998 0 0 15,000 268,000 283,000 93,000 902,000 0 995,000 0 1,278,0001999 0 0 0 1,000 1,000 47,000 1,000 48,000 0 49,0002000 0 0 4,000 418,000 422,000 0 532,000 1,000 533,000 0 955,0002001 16,000 46,000 25,000 12,000 99,000 0 163,000 0 163,000 35,000 297,0002002 111,000 226,000 17,000 950,000 1,304,000 0 796,000 43,000 839,000 75,000 2,218,0002003 0 0 0 249,000 249,000 0 737,200 0 737,200 49,900 1,036,1002004 0 10,600 0 246,300 256,900 0 787,700 0 787,700 13,100 1,057,7002005 0 0 0 3,375 3,375 0 126,004 0 126,004 0 129,3792006 83,000 54,000 0 775,000 912,000 0 2,162,000 13,000 2,175,000 160,000 3,247,0002007 0 0 0 0 0 0 0 0 0 0 02008 0 11,240 331 0 11,571 0 4,644 0 4,644 0 16,2152009 0 0 0 0 0 0 0 0 0 0 0Averages1986-91 246,667 1,771,333 138,667 1,680,000 3,836,667 300,667 2,342,833 869,000 3,512,500 0 7,349,1671992-00 54,889 286,111 59,556 786,778 1,187,333 386,875 2,812,556 76,333 3,232,778 0 4,420,1112001-09 23,333 38,649 4,703 248,408 315,094 0 530,728 6,222 536,950 37,000 889,044Percentages1986-91 3% 24% 2% 23% 52% 4% 32% 12% 48% 0% 100%1992-00 1% 6% 1% 18% 27% 9% 64% 2% 73% 0% 100%2001-09 3% 4% 1% 28% 35% 0% 60% 1% 60% 4% 100%Total41
Table 14 Summary of available information on accuracy, precision <strong>and</strong> reliabilityof the catch monitoring programs used to produce estimates of thecommercial harvest of <strong>Fraser</strong> sockeye in Canadian waters (2001-2009).% of Quality of Catch EstimatesLocation Catch Accuracy Precision Reliability<strong>Fraser</strong> Panel AreasTroll 3% Good Unknown HighSeine (Area 20) 4% Fair Unknown MediumGillnet (Area 29) 28% Fair Unknown MediumNon-Panel AreaTroll 9% Good Unknown HighNet (Area 11-16) 52% Fair Unknown MediumSelective <strong>Fisheries</strong> 4% Very Good High HighTotal 100% Fair Unknown MediumFigure 4 Fishery management areas <strong>and</strong> commercial gear types used in the <strong>Fraser</strong><strong>River</strong> Panel Area <strong>and</strong> Canadian south coast waters (from PSC 2008).42
- Page 2 and 3: Fraser River Sockeye Fisheriesand F
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- Page 8 and 9: Table of ContentsEXECUTIVE SUMMARY
- Page 10 and 11: List of TablesTable 1 Annual estima
- Page 12 and 13: List of FiguresFigure 1 Fraser sock
- Page 14 and 15: Figure 21 Estimates of total catch,
- Page 16 and 17: List of AppendicesAppendix A Statem
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- Page 20 and 21: FISHERIES HARVESTINGOverview of Fis
- Page 22 and 23: Figure 1 Fraser sockeye marine migr
- Page 24 and 25: Table 2 Summary of available inform
- Page 26 and 27: Table 3 provides the annual estimat
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- Page 30 and 31: season update teleconference meetin
- Page 32 and 33: Catch Estimation MethodsThe procedu
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- Page 38 and 39: 1998-00 - No agreements with Sto:lo
- Page 40 and 41: initiation of the AFS Agreements in
- Page 42 and 43: Table 12 Comparison of annual socke
- Page 46 and 47: Canadian Commercial FisheriesThe pr
- Page 48 and 49: logbook systems. In addition to the
- Page 50 and 51: Table 15 Fraser River sockeye salmo
- Page 52 and 53: Available catch estimates for the r
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- Page 56 and 57: anged from less than 100 to over 30
- Page 58 and 59: Washington State Recreational Fishe
- Page 60 and 61: equirements have been applied to se
- Page 62 and 63: salmon were biopsied or tagged with
- Page 64 and 65: Stellako-Late Stuart and 531 Adams)
- Page 66 and 67: FISHERIES MANAGEMENTOverview of Pre
- Page 68 and 69: parents of the recruits). Effective
- Page 70 and 71: within the confidence limits. For e
- Page 72 and 73: Ratio of Return to Forecast5.04.03.
- Page 74 and 75: Ratio of Return to Forecast5.04.03.
- Page 76 and 77: Table 20 Pre-season forecast models
- Page 78 and 79: different from the straight line),
- Page 80 and 81: Prediction ability of ForecastsProp
- Page 82 and 83: Stock MAPEReturn Explainedby Foreca
- Page 84 and 85: test fisheries are analyzed in-seas
- Page 86 and 87: Inputs to the cumulative-normal mod
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- Page 90 and 91: Median Absolute Percent Error (1997
- Page 92 and 93: 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)
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The Bay is subjected to large tidal
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activity (Bocking and Peterman 1988
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% of total run45%40%35%30%25%20%15%
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Harvest estimation methodsTotal har
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Millions of sockeyeYearFigure 27 Hi
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management structure complements th
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1.5Togiak4.03.5NushagakMillions of
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Millions of sockeye7.06.05.04.03.02
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logical given the dynamics of the r
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1.61.4Number of fish (millions)1.21
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Pre-season forecastsAs noted above,
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8.0y = 0.79x + 1.59R² = 0.417.8Log
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12010080MAPE60402001971-1980 1981-1
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Median percent error (MPE)3020100-1
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Table 28 Average age composition of
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dampeners to reduce surface turbule
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current year’s run is accounted f
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and 1999 Revised Annexes. This inte
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Bristol Bay was in 1997 when there
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upon by managers to determine when
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STATE OF THE SCIENCECatch Monitorin
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2006) due to concerns regarding the
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RECOMMENDATIONS1. DFO needs to ensu
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LITERATURE CITEDAdkison, M.D. and R
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Beacham, T.D., M. Lapointe, J.R. Ca
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CSAS. 2007 Pre-season run size fore
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Evans, D.G., J.B. Browning and B.G.
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Hardie, D.C., D.A. Nagtegaal, K. He
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Pacific Salmon Commission. 1998. Re
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Robichaud, D., J.J. Smith, K. K. En
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Valderrama, D. and J.L. Anderson. 2
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Appendix A Statement of Work.Cohen
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All sectors3.7 The Contractor will
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“State of the Science”. Comment
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3.3 The Contractor will review and
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Appendix BList of requests to DFO b
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DFO Request 15: Recent CSAS documen
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Item Description DateRequestedReque
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Appendix CFirst Nation catch monito
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Table C-1 Summary of information re
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Table C-2 Weekly catch monitoring e
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Table D-1 Summary of information re
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community of Port Renfrew. The area
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IPrecision ( + % of the estimate)10
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Table E-2 Annual Strait of Georgia
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Table E-4 Annual Johnstone Strait e
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Table E-6 Lower Fraser River recrea
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0 would mean that the forecast does
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the general ups and downs of the ob
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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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Fraser River Indicator Stocks (list
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Fraser River Indicator Stocks (list
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Fraser River Indicator Stocks (list
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Fraser River Indicator Stocks (list
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Fraser River Indicator Stocks (list
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Fraser River Indicator Stocks (list
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Fraser River Indicator Stocks (list
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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%