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Transcript of Pelagic Longline Fishing Procedures & Gear http://www.panda.org.

  • Pelagic Longline Fishing Procedures & Gear

  • IntroductionPelagic longlining is global

  • ObjectivesDefine pelagic longlining & describe 1 potential impact Describe 3 components of pelagic longline gear List 2 types of specialized equipment you may encounterDemonstrate ability to complete the Gear Description form

  • What is pelagic longlining?Hook & line gear uses bait to attract fish in pelagic zonePelagic = open ocean (usu.
  • What is pelagic longlining?Hook & line gear uses bait to attract fish in pelagic zonePelagic = open ocean (usu.
  • What is pelagic longlining?Hook & line gear uses bait to attract fish in pelagic zonePelagic = open ocean (usu.
  • What is pelagic longlining?Hook & line gear uses bait to attract fish in pelagic zonePelagic = open ocean (usu.
  • Data collection prioritiesEstimate effort for each gear deployment;Identify every individual caught on each set and assess catch condition and fate;Collect biological information on target and other identified species as requested; Record all sightings and interactions with marine mammals and sea turtles;Record vessel and fishing gear characteristics.

  • How is gear fished?Strategieshttp://www.cpc.noaa.gov/lhttp://www.meted.ucar.edu

  • How is gear fished?StrategiesDeploymentwww.montereybayaquarium.org

  • How is gear fished?StrategiesDeploymentRetrieval

    Video

  • Gear components - overviewDrawing modified from Hanrahan et al. 1997Basket

  • Gear components - mainline

  • Gear components gear markersDrawing modified from Hanrahan et al. 1997

  • Gear components - branchlineDrawing modified from Hanrahan et al. 1997Photo: Kim Dietrich, Cape Town 2010

  • Swivels (Beverly 2009)

  • Gear components - hooks

  • Gear components other fish attracting devicesGlow beadsChemical lights

  • Gear setting devicesLine setterDrawing: BirdLife International 2010Bait caster

  • Gear hauling devicesLine haulerMainline drumBranchline coilervideo

  • Gear seabird mitigationPhoto: Washington Sea GrantDavit / tori poleAustralia Department of Agriculture, Fisheries & Forestry

  • Gear seabird mitigationStreamer curtainWater cannonDrawings: BirdLife International - Bycatch Mitigation Fact Sheet 12

  • Gear Description Form

  • Gear Description Form

  • Gear Description Form

  • Gear Description Form

  • Gear Description FormQuestions about gear or the gear form?Practice exerciseGroups of 3-410 minutes to complete Gear Description FormBreak 10 minutesDiscuss exercise

  • Gear Description FormY2474 00555 347 1 4 800 1 7 2 5 500 3 9 2 ~3 227 1 5 braided nylon 2.25 272 1 71 1.56 136 1 7

  • Gear Description FormMustad j-hook 9/0 stainless 0

    Mustad circle 16/0 stainless slight X 2X

  • Gear Description Form1411

  • Gear Description FormBranchline coiler broke on July 7; Vessel sometimes trailed 100m of rubber hose to deter birds. Hose was yellow & 1cm in diameter. They also placed an orange road cone at the terminal end

    None

  • SummaryDescribe pelagic longlining What are the potential impacts of this fishery?Describe 4 components of pelagic longline gear List 2 types of specialized equipment you may encounter on pelagic longline vessels

  • ReferencesBeverly, S. 2009. Longline terminal gear Identification guide - Draft. Submitted to the Western and Central Pacific Fisheries Commission, Scientific Committee, Fifth Regular Session, 10-21 August 2009, Port Vila, Vanuatu, WCPFC-SC5-2009/FT-IP-01, Secretariat of the Pacific Community, Marine Resources Division, Coastal Fisheries Programme, Noumea Cedex, New Caledonia.BirdLife International Bycatch Mitigation Fact Sheet 11 (Version 1)BirdLife International Bycatch Mitigation Fact Sheet 12 (Version 1)Hanrahan, J., D. J. Melindy, and J. V. Pelrine. 1997. At-sea Observer Program Operations Manual: A Training Aid and Field Reference. National At-sea Fisheries Observer Program, Department of Fisheries and Oceans, Ottawa, Canada.Lewison, R. L., S. A. Freeman, and L. B. Crowder. 2004. Quantifying the effects of fisheries on threatened species: the impact of pelagic longlines on loggerhead and leatherback sea turtles. Ecology Letters 7:221-231.

  • Misc photos

    *Photo: http://www.panda.org/what_we_do/how_we_work/conservation/marine/sustainable_fishing/sustainable_fishing_lac/*

    Full citation: Lewison, R. L., S. A. Freeman, and L. B. Crowder. 2004. Quantifying the effects of fisheries on threatened species: the impact of pelagic longlines on loggerhead and leatherback sea turtles. Ecology Letters 7:221-231.

    *Image: http://en.wikipedia.org/wiki/Pelagic_zone

    *

    Bait images: Beverly 2009*SST: http://www.cpc.noaa.gov/products/fews/CYCLONES/atlantic.shtmlSS height: http://www.meted.ucar.edu/oceans/ocean_circ_models/media/graphics/gulfstream_heights.jpg*SST: http://www.cpc.noaa.gov/products/fews/CYCLONES/atlantic.shtmlSS height: http://www.meted.ucar.edu/oceans/ocean_circ_models/media/graphics/gulfstream_heights.jpg

    Animated GIF - http://www.montereybayaquarium.org/cr/cr_seafoodwatch/sfw_gear.aspx

    *SST: http://www.cpc.noaa.gov/products/fews/CYCLONES/atlantic.shtmlSS height: http://www.meted.ucar.edu/oceans/ocean_circ_models/media/graphics/gulfstream_heights.jpg* Full citation: Hanrahan, J., D. J. Melindy, and J. V. Pelrine. 1997. At-sea Observer Program Operations Manual: A Training Aid and Field Reference. National At-sea Fisheries Observer Program, Department of Fisheries and Oceans, Ottawa, Canada.

    *Glass float: http://tokaido.wordpress.com/2007/12/10/japanese-glass-ball-fishing-float-trademark-netting/Aluminum & red floats: www.sealifegifts.net/floats.html Inflatable buoys: www.lakefish.net/catalogue01.htm Rigid tuna floats: http://ymfishing.en.ecplaza.net

    *Assembled hiflyer photo: williamsmarineltd.ca/Manfacturing.htmlClose-up: store.vernondeon.com/images/sm/ra050.jpg Attached to float: www.pifsc.noaa.gov/cred/img/sd2.jpg * Full citation: Hanrahan, J., D. J. Melindy, and J. V. Pelrine. 1997. At-sea Observer Program Operations Manual: A Training Aid and Field Reference. National At-sea Fisheries Observer Program, Department of Fisheries and Oceans, Ottawa, Canada.

    Photo: Kim Dietrich, Capetown harbor, 2010

    *Snap: www.leadertec.comSwivels: Beverly, S. 2009. Longline terminal gear Identification guide - Draft. Submitted to the Western and Central Pacific Fisheries Commission, Scientific Committee, Fifth Regular Session, 10-21 August 2009, Port Vila, Vanuatu, WCPFC-SC5-2009/FT-IP-01, Secretariat of the Pacific Community, Marine Resources Division, Coastal Fisheries Programme, Noumea Cedex, New Caledonia.

    *

    Offset image - Beverly, S. 2009. Longline terminal gear Identification guide - Draft. Submitted to the Western and Central Pacific Fisheries Commission, Scientific Committee, Fifth Regular Session, 10-21 August 2009, Port Vila, Vanuatu, WCPFC-SC5-2009/FT-IP-01, Secretariat of the Pacific Community, Marine Resources Division, Coastal Fisheries Programme, Noumea Cedex, New Caledonia.

    *

    Fishing lights: http://ymfishing.en.ecplaza.netGlowbeads: http://web.tradekorea.com/upload_file/prod/emp/200809/main/oimg_GC02992170_CA02994382.jpg*Marco Circlematic autobaiter (demersal only??): www.marcoglobal.com

    BirdLife International Bycatch Mitigation Fact Sheet 11 (Version 1)

    *Line hauler: http://www.go2marine.com/product.do?no=90970FSpool empty: ?Branchline hauler: ?Spool w/ monofilament: http://www.blueoceantackle.com/mono_longline_spool.jpg

    *Streamer diagram:Australia Department of Agriculture, Fisheries & Forestry - http://www.daff.gov.au/__data/assets/image/0007/77560/longline.gif

    Davit/streamer: FAO

    Streamer photo: Washington Sea Grant

    *

    BirdLife International Bycatch Mitigation Fact Sheet 12 (Version 1)

    **Cuban longline vessel: FAO Western Central Atlantic Fishery Commission. 2002. National reports and technical papers presented at the First Meeting of the WECAFC Ad Hoc Working Group on the Development of Sustainable Moored Fish Aggregating Device Fishing in the Lesser Antilles. Le Robert, Martinique, 8-11 October 2001. FAO Fisheries Report No. 683, Suppl., FAO, Rome.