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

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Table C-1 Summary of information related to catch monitoring programs for each First Nation fisheries for Fraser sockeye.First Fishery Relative Relative Fishing Catch Data QualityArea/First Nation Groups Nations Location Effort Catch Gear Reporting Catch Monitoring System Validation Accuracy Precision Reliability(permits/yr) (2004)Johnstone StraitKTFC and other localFirst NationsA'Tlegay FisheriesSocietyFirst Nation MarineSociety CoordinatedFishery10 Area 11-12 40 40,000 Weeklyreports5 Area 12-13 130 50,000 89% seine,8% gillnet,3% trollWeeklyreportsTotal of report catch on permits. ElectronicData Reporting started in 2004Guardians monitor fisheries on the fishinggrounds.20 Area 12-13 na 109,000 100% seine Daily reports Certified observers on board each seine vesseland data used for in-season run size estimation.West Coast Vancouver IslandNuu chah nulth Area 121-126 na 500 Troll &gillnetJuan de Fuca StraitNuu chah nulth Area 20 20,000 Seine &gillnetStrait of GeorgiaSouth Island First Nations 4 Area 16 & 29 na 25,000 Seine &gillnetFraser River - below Port MannMusqueam &Tsawwassen (pre-Treaty)2 Area 29 - BelowPort MannTsawwassen (post-Treaty) 1 Area 29 - BelowPort MannFraser River - Port Mann to SawmillSto:lo and IndependentFirst Nations17 Area 29 - PortMann toSto:lo and IndependentFirst NationsSawmill17 Area 29 - PortMann to MissionMonthlyreportsDaily-weeklyreportsDaily-weeklyreportsEach fisher is required to provide a monthlyreport of catch by species and area?Seine vessels must have fisheries guardian onboard and report catch after offloading.Seine vessels must have fisheries guardian onboard and report catch after offloading.Gillnet catch estimates based on hails andinterviews, seldom verified.65 49,000 Drift gillnet Daily reports On-water vessel count and average harvest pervessel obtained from interviews at landingsites.25 na Drift gillnet Daily reports Catch census based on landing site andtelephone interviews.400 250,000 Set gillnet Daily reports Overflight effort count every 24 hours andaverage catch rates from interviews at landingsites.50 50,000 Drift gillnet Daily reports Catch census based on landing site catchreports.Limited validation Fair Unknown Low90% of catchvalidated atlanding site100% of catchvalidated atlanding siteCompliancevariableSeine vesselcatches verified byauditsSome seinelandings verifiedby FisheriesOfficersSuspected underestimates50% of catchverified bymonitorsSmall to mediumpositive biasSuspected underestimatesGood Unknown HighVery Good Unknown HighFair Unknown LowGood Unknown Seine - HighGillnet - lowGood Unknown Seine - HighGillnet - lowFair Unknown MediumVery GoodGoodVerypreciseHigh+18% in2001 1 MediumFair Unknown MediumC-3
Table C-1 continued.First Fishery Relative Relative Fishing Catch Data QualityArea/First Nation Groups Nations Location Effort Catch Gear Reporting Catch Monitoring System Validation Accuracy Precision Reliability(permits/yr) (2004)Fraser River - Above SawmillNlaka'pamux NationTribal Council and NicolaWatershed andStewardship FisheriesAuthority17 Fraser fromSawmill toLytton andlower ThompsonR.Stl'atl'imx Tribal Council 7 Faser River fromTexas Creek toKelly CreekWhispering Pines andHigh Bar Indian BandCariboo Tribal Council,Tsilhqot'in NationalGovernment & AlkaliLake BandLheidli T'enneh, Carrier-Sekani Tribal Council,Tl'azt'en NationSecwepemc NationFisheries Commission2 Faser from KellyCreek toDeadman Creek10 Faser fromDeadman Creekto Marguerite &Chilcotin andChilko rivers3 Faser fromNaver Creek toShelly &Nechako andStuart rivers2 Thompsonwatershedupstream ofBonaparteSummaryMarine Fisheries 39 Area 11-29,Area 121-126Fraser Watershed - belowSawmill CreekFraser Watershed - AboveSawmill Creek20 Area 29 - belowSawmill41 Area 29 - aboveSawmill80 76,000 Set gillnet &dipnets20 44,000 Set gillnet &dipnetsWeeklyreportsWeeklyreports5 1,200 Set gillnet Weeklyreports15,000 Dip nets Weeklyreports85 6,500 Set gillnets(85) andStellako Riverfencena 5,000 set nets, beachseines, driftnets, weirs,gaff170 244,500 seine, gillnet,trollWeeklyreportsAnnualreportsWeeklyreportsHelicopter or on-water effort counts andaverage catch rates from interviews at fishingsites.Helicopter or on-water effort counts andaverage catch rates from interviews at fishingsites.Helicopter or on-water effort counts andaverage catch rates from interviews at fishingsites.First Nation monitors interview fishers atmajor fishing sites. Observed catch expandedto account for areas and times not covered.First Nation monitors interview fishers atmajor fishing sites. Observed catch expandedto account for areas and times not covered.Harvests from fence are fully enumerated.Catch census based on-site and telephoneinterviews. Very reliable data from largedriftnet, weirs, beach seine operations.Guardians monitor fisheries on the fishinggrounds.490 299,000 Set gillnet Daily reports Overflight effort count every 24 hours andaverage catch rates from interviews at landingsites.190 147,700 Set gillnet &dipnetsWeeklyreportsHelicopter or on-water effort counts andaverage catch rates from interviews at fishingsites.Total 100 850 691,200 Good Unknown MediumSuspected underestimates in yearswith lower surveyeffortSuspected underestimates in yearswith lower surveyeffortSuspected underestimates in yearswith lower surveyeffortSuspected underestimates in yearswith lower surveyeffortSuspected underestimates in yearswith lower surveyeffortVery goodestimates formajority of thecatch90% of catchvalidated atlanding siteSmall to mediumpositive biasSuspected underestimates in yearswith lower surveyeffortFair+17% in2002 2 MediumFair Unknown MediumFair Unknown MediumFair Unknown MediumFair Unknown MediumFair Unknown MediumGood Unknown MediumGoodFair+18% in2001 1 Medium+17% in2002 2 Medium1 Alexander, C.A.D 2002. 2001 First Nation Catch Estimates on the Lower Fraser River and Recommended Improvements for Future Aerial-Access Creel Surveys. Prepared by ESSA Technologies Ltd., Vancouver, BC for TheCanadian Department of Fisheries and Oceans, Fraser River/Interior Area Office, Delta BC. 46 pp.2 Alexander, C.A.D. 2003. First Nation sockeye catch estimates in the mid-Fraser River, 2002, with results of an impact analysis on the reduction of 24-hour effort surveys and aerial overflights. Prepared by ESSA Technologies Ltd.,Vancouver, BC for the Canadian Department of Fisheries and Oceans, BC Interior Area Division, Kamloops, BC. 76 pp. + appendix.C-4
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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)
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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
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 182 and 183: CSAS. 2007 Pre-season run size fore
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 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
Page 232 and 233: Early Stuart Timing GroupEarly Stua
Page 234 and 235: Summer-run Timing GroupSummer run7.
Page 236 and 237: Fraser River Indicator Stocks (list
Page 254 and 255: Appendix H Pre-season forecast: sum
Page 256 and 257: ManagementGroup(IndicatorStock)MAPE
Page 258 and 259: 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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