Guidelines for the routine collection of capture fishery data : prepared at the FAO/DANIDA expert consultation Bangkok, Thailand, 18 - 30 May 1998 PDF
Preview Guidelines for the routine collection of capture fishery data : prepared at the FAO/DANIDA expert consultation Bangkok, Thailand, 18 - 30 May 1998
Guidelinesfortheroutine FAO FISHERIES TECHNICAL collectionofcapture PAPER fisherydata Fanodod AOgrrgiacnuilztautrieon tNUhanetitieodns Guidelinesforthe routine FISHERFIAEOS TECHNICAL collection ofcapture PAPER fishery data 382 Preparedatthe FAO/DANIDAExpertConsultation Bangkok,Thailand,18-30May1998 aFnodod OArgrgiacnuilztautrioon otUNfhnaeittieodns Rome.1999 Copyrightedmaterial Reprinted2005 ToinphietnhiidsoensiinwgfhnoaarttmisaotoniesovneermpproolndouytcehtdedpaoanrndtottohfiemtphpleryeFsteohnoetdaetxaipnordnesoAsfgirominacotufelrtaiunaryle OrganizationoftheUnitedNationsconcerningthelegalor developmentstatusofanycountry,territory,cityorareaorof ibtosuanudtahroirietsi.es,orconcerningthedelimitationofitsfrontiersor ISBN92-5-104304-3 aAilunltfhororirmgiahzttsieodrnweipsetrrhovdoeuudct.taRfnoeyrpprerodiduocuracwttriiiootnntaelnanoprderomdtiihssessrienomnoinnf-artcoiomomnmtehorefcciomapalytrepirugirhaptlohsioenlsdteahrrises pwipIriennortffmvohoiirrosdmmusaeatittdowiintroohinnsethDtposieruovnoliudsdrpuicebocernetm.iaisfFdsofAdsruOrlirle,oyesnsVasaioeclafdkelnettooohrdwetelolhctleeoehdpCegThyreireedicrf.gom,hmeRPtmuedebhpirolrClcioadsidrehaaurilcscna.tgpliluAMoarpan,ppnlo0oaisf0cge1mase0atm0tiiseeoRrnpnoisrtamoflheSoei,rirbnvsiIituttchaceeilhd,sy orbye-mailtocopyright®fao.org ©FAO1999 Copyrightedmaterial Ill PREPARATIONOFTHISDOCUMENT TheFAO/DANIDAProject"TraininginFishStockAssessmentand FisheryResearch Planning"hasorganizedtrainingcoursesonfishstockassessmentandworkshopsdealing withtheassessmentsofspecificresourcesinmanycountries.Thegeneralexperiencehas beenthatinmanycasesproperassessmentsweredifficulttoachieveduetorestrictionsin theavailabledata,bothinqualityandquantity. EIncoAnuogmuiscts19r9e7caotmimtesnfidrestdsesthsaiton,APtFheICAPFanIdCJFoiAnOtWosrhokuilndgPparretpyaroenF"idrsahfetrygSutiadteilsitniecssaonnd methodologiesandstandardsforthecollectionofproductionandstructuralstatisticsfor capturefisheries". aOnntEhxipsebratsiCsonitswulatsatdieocnidoendtRoofuotrimneanDaintfaorCmoallleicnttieorn-deapnadrtmaenRteagliwoonraklinWgogrrkosuhpoptootorgaanlliozwe expertsfromAsiatoreviewthedraftguidelinesonthecollectionofdatafrommarineand inlandfisheries.ChaptersoftheguidelineswerewrittenpriortotheExpertConsultation,but duringthemeetingmostofthesemanuscriptswerere-arrangedandsimplified. Thisdocumentwasdesignedandwrittenfrom18to30May1998inBangkok,Thailandbya groupofexpertswithavarietyofskillsinanthropology,biology,economics,dataprocessing andstatistics: PatriciaClay,IanCowx,DavidEvans,FelimonGayaniloJr.,RichardGrainger,AngelGumy, VeravatHongskul,TonyJarrett,PaulMedley,PeterMiyake,SeanPascoe,ChristianRiise, PerSparre,ConstantineStamatopoulos,SiebrenVenema,MortenVinther,TeoSiongWan, PaulvanZwieten. TheguidelineswerereviewedbyparticipantsattheRegionalWorkshop,inBangkok,from25 to29May1998. Furtherrefinementofthedocumentthrougheditingoradditionalmaterialwasprovidedby thefollowingpeople: PatriciaClay,AdeleCrispoldi,PeterFlewwelling,SergeGarcia,LucaGaribaldi,Richard Grainger,PaulMedley,SeanPascoe,SiebrenVenemaandRolfWillmann. BothmeetingsandseveralconsultantswerefundedbytheFAO/DANIDAProject,while ICCAT,ICLARM,theMekongRiverCommissionandNOAA/NMFSprovidedstafffreeof charge. Coverpicture:SamplinginVietNambyPerSparre Thi* One 21DK-9AX-DK54 Copyrightedmaterial IV FAO. Guidelinesfortheroutinecollectionofcapturefisherydata.PreparedattheFAO/DANIDA ExpertConsultation.Bangkok,Thailand,18-30May1998. 'FAOFisheriesTechnicalPaper.No.382.Rome,FAO.1999.113p. ABSTRACT Theseguidelinesaimtohelpthosewhodesignroutinedatacollectionprogrammes,focusing ontherelationshipbetweentypicalquestionsaskedbypolicy-makersandmanagers,andthe datarequiredforprovidingreliableanswers.Fisheriespolicyandmanagementobjectives, particularlyundertheprecautionaryapproach,needtobebaseduponanalysesofreliable data.Dataareneededtomakerationaldecisions,evaluatethefisheriesperformancein relationtomanagementactivitiesandfulfilregionalrequirements.Theseobjectivesare achievedusingfisheryperformanceindicators.Indicatorsareusedtomeasurethestateof theresource,theperformanceoffishingcontrols,economicefficiency,socio-economic performanceandsocialcontinuity.Theprimaryfactorinchoosingwhatdatatocollectisthe linkbetweenthenecessaryoperational,biological,economicandsocio-culturalindicators andtheirassociatedvariables.Thewayinwhichdifferentdatavariablesarecollectedneeds tobetailoredtothestructureofthefishery.Thestrategywillbestronglyinfluencedbythe budgetandpersonnelavailable,andthedegreetowhichfishersandothersco-operate.The programmemustidentifywhichvariablesshouldbecollectedthroughcompleteenumeration andwhichcanbesampled.Collectionmethodsareinfluencedbythevariableitself,the strategy,collectionpointandtheskilloftheenumerator.Oncecollected,fisherydatamustbe storedsecurely,butmadeeasilyavailableforanalysis,whichisachievedthrougha computer-baseddatamanagementsystem,followingthebasicdataprocessingprinciples. Theimplementationofadatacollectionprogrammeshouldfollowanormalprojectcycle, developinganewlegalandinstitutionalframeworkasappropriate. Distribution: ADPlalArtNFiAIcDiOpAaMntesm(bEexrpseratnCdonAssuslotcaitaitoenManedmbReergisonalWorkshop) AFllAOFAFOishOefrfiiecsesProjects FAOFisheriesDepartment OtherinterestedNations,InternationalOrganizationsandNGOs Copyrightedmaterial V USINGTHEGUIDELINES Theevaluationoffisheriesmanagementperformancerequirestheestablishmentandmonitoringofa varietyofindicatorsrelatedtospecificquestions(andobjectives)suchas: • Arethefisheriesat,aboveorbelowsustainableyields? • Arethefisheriesmovingtowardsdomesticdevelopmentattheraterequiredforemploymentand economicdevelopment? • Arethereturnsobtainedfromforeignaccesslicencefeesatalevelcommensuratewiththe resourcerent? • Willfishproductionmeetfoodsecurityrequirementsinthemediumterm?inthelongterm? • Arefishingincomesfallingbehindcomparablesectors?forwhatreason? • Arethereconflictsbetweenfisherysub-sectors? pFaisrhaemreytepresr,foarsmawenlcleaisndmicaantoargsermeeqnuitreobcjoencttiinvueosusvairnyfoorvmeartitoinmef.orTthhiesiridneftoremramtiinoantiiosndaesritvheedffirshoemryd,atitas thatneedtobecollectedandanalysed. Thisdocumentoffersguidelinestofisherymanagersandpractitioners,atalllevels,onthedevelopment onrumibmeprroovfemmaenntagoefmreonuttinneeeddast.acollectionprogrammesincapturefisheries.Theseguidelinesmeeta Fuinrdstelrys,tatnhdeyingproofviwdheyadasttaruacrteurneededaepdp,rotahcrhougthhrwohugahtdaatsaeqnueeentdiatlobpeatcohlwlaecyte(ds,eteoFhiogwuredat1)a,sfhrooumldtbhee collected. Sleevceolnsdltoy,prtohvisiddeoacpupmreopnrtiaitseadagtuaidceoltloecttihoenpprroocceesdsueress.thaTtasnkesedcatnobbeeaaldldocraetsesdetdoastenailolr,mamniaddgleemeanndt tacalleoellvncweshialtnsysrissacuoiaefnlbstmesmaa.asdnAsenasosagicgerifaeaamrbtmeleeanedsntftwpowioritlslhlesavlihleebaslllstve.ea,evbelWadliliilsstfhfhpoeiiefrnnregnsmttooahrnirnssemasaphgiioinennevsmtroiaaelbrinvicnlethiidytn,igtIeonsta.achedodramaetmtauawinclciololcllbaleeetcctetilioaotnrnogpeporrtoahorgegerrraassammtmhomeefe.irosHvrheoeorwquleualvipde,rreu,amnenddneditrfssfItetraaweinnnlddtl SeniormanagersneedtounderstandWHYthedataiscollected.Theywillneedtoconsider: • thelinkbetweenfisheriespolicyandthepracticalapplicationsoffisheriesmanagement(Chapter2); • theusesofinformationinmeetingmanagementobjectives(Chapter3); • thefisheryperformanceindicatorsthatbestmeettheirinformationneeds(Chapter4); • theproperallocationandmanagementoffinancial,humanandinstitutionalresources(Chapter8). MiddlemanagersneedtounderstandWHATinformationisneeded: • tocalculatethechosenfisheryperformanceindicators(Chapter4); • todecideonthedatavariablesrequiredfortheappropriateanalyses(Chapter4); • toenableadministrationofthesystemsneededfordatacollection,analysisanddissemination Tech(nCihcaapltemrasn7agaendrs8)n.eedtounderstandHOWdataarecollectedandmanaged.Theywillberequired: ••• tttooodiuenmcdpieldreetmaeoknnettoshryesmstatenrmaastgefegoyrtahtnehedacmmtaeuntalhaogddeastmaefoncrotlcloaelncltdeicodtniinspgsreotmchieensadsta.itoan(oCfhatphteedrasta5);collected(Chapters7); Theguidelinesarestructuredsothatmanagersatalllevelscanusethemdirectlyfordevelopingadata collectionprogramme. • Sfiesnhieorrypmearnfaogremrasncweililndbiecataobrlsetotopodlriacwy-moanketrhse:saendgutiodeilnisnteruscttomiodfdfleremaanndagexeprlsaitnotehsetimaaptperotphreima;te • Mniededdlseamnadnatgheerrseqwuililrebdeparbolegrtaomdmreaswfoorntthheesperegpuairdaetliionnesoftofiisnhfeorrympseernfioorrmmanacneagienrdiscaotfortsh;eiarnddattao instructtechnicalmanagersonwhattocollect; • Treecshonuirccaelsm(apenrasgoenrneslwialnldbeexapbelnedittourder)atwheoynrtehqeuisreegtuoiduenldienretsatkoeitnhfeoirrmtamsikdsd;leanmdatnoaginesrtsrucotndathtea collectorsonwhattodo. Theguidelinesarenotamanualofdatacollectionmethods,nordotheyaddressanalyticalprocedures thatlinkdatacompilationandthepreparationoffisheryperformanceindicators,e.g.stockassessment. Copyrightedmaterial VI tFhigruoruegh1.tSoewtotirnkginugpoaudtahtaowcotllheecdtiaotnapsrhoouglrdambmeecoflollelcotwesd.frIonmdeIdseingtniifnyigngthdeatparongereadmsme, alloptionsshouldbecarefullyconsidered.Numbersinbracketsrefertotherelevant partsoftheguidelines. Copyrightedmaterial . VII TABLEOFCONTENTS 1. INTRODUCTION .1.. 1LJ2 TShceopoebjectivesoftheguidelines „ lL. L3 Rationale 2.. 2J PqucyANDMANAGEMENTQBJECTIVES........... 2.1.1 Fisheriescontributiontofoodsupply 3 2.1.2 Fisheriescontributiontotheeconomy. 3 772.1.T3HFFPiRsEhCerAiUeTsIiOmNpAaRcYtAoPnPtRhOeAeCcHosystem 43 3. OBJECTIVESQFDATACOLLECTION 6 3J Dataneedsformanagementissues S 3*2 Management-relatedindicators .7. 3.2.1 Statusofresources 2. 3-2.2 Yield. 8- 3.2.3 Fishingcontrols 8 3.2.4 Economicefficiency 3. 3.2.5 Socialperformance 9. 12 Regionalneeds fl. 4. INDICATORS.DATATYPESANDVARIABLES .11 i4-J2 SIPnEdCiIcFaItCoArTsIOaNnSdFvOaRriSaEbLlEeCsTIONOFVARIABLESANDDATA .11.21 4.2.1 Evaluationoftheoperatingcharacteristicsofafishery. .12 4.2.2 Datatypepriority 12 4.2.3 Frequencyofdatacollection 13 4.2.4 DataquantityandQuality. .14 4.2.5 Standardisation 1.4 4J5 INDICATORSANDASSOCIATEDDATATYPESANDVARIABLES .16 4.3.1 Fishingandoperationalindicators 16 4.3.2 Biologicalindicators 23 433 Fcnnnmicindicators 73 4.3.4 Socio-culturalindicators 36 5. DATACOLLECTIONSTRATEGY A2 1fi21 IINNFTORROMDAUTCITOINONREQUIREMENTSFORSYSTEMDESIGN 44?2 13 Co-managementandsystemdesign 43 14 COMPLETEENUMERATIONANDSAMPLING 44 14-1 Definitions 4.4 155.4.2CompDleceitdeinegnubmeetrwaeteinocnomapplpertoeaecnhuemserationandsamplinIgI.Z .4454 Ifi Sample-basedapproaches 45 51J1U2 STthreatieffifceacttioonfisntrdaatitfaiccaotliloenction .4466 57 Opfrationaiconsiderations 4Q 1 DATACOLLECTIONMETHODS 11 6.1 Variables,sourcesandmethods 51 6.1.1 Datasources 52 Copyrightedmaterial 2 viii 226.1.2RfcoLridnkianggeaavmaornigabvlaeriables,sourcesandmethods 5552 £L3 Datacollectionmethods 55 6.3.1 Registration .55 6.3.2 Questionnaires 5fi 666...333...435 DRIneirtpeeocrrtvtiioenbwgsservations - .556680 7. DATAMANAGEMENT £3 ZJ Nffdfordatamanagement 63 12 Databasedesign .£3 7.2.1 Methodology 63 7.2.2 Human-computerinterface .65 7.2.3 Computeriseddocumentation 65 72.4 Dataentry 65 7.2.5 Dataprocessing 65 7.2.6 Datareporting 66 7.2.7 GeographicInformationSystems(GIS). 66 z_37.3.1DataCommamniatgmeemnetntoperationsandmaintenance... 6666 7.2.2 Archives 66 1A7.3.3DataDeasgigpfnsrse-aenvdalduiastsieonmination 66Z6 7.4.1 Dataownershipandcontrol 67 7.4.2 Communicationnetworks 6.7 7.4.3 Computerisedpublication 67 8. PLANNINGANDIMPLEMENTATION 68 8J THENEEDFORPLANNING 68 8.2 Planningphase(pre-implementation) 69 8.2.1 Legalframework 69 8.2.2 Institutionalframework 69 88..2..34 BWuodrgkeitnsgpractices 6790 £L3 Implementationphase 7.0 8.3.1 Incentives 70 8.3.2 Training 7.1 83.3 Exchangeofexperienceswithothercountries 72 8.3.4 Technicalcommittees 72 8.3.5 Dataverification 73 88..33..67 FSyesetdebmacakppraisal 77.24 9. REFERENCESANDFURTHERREADING Z5 AAGNNREEXEM1.ENDATTAREQUIREMENTSSPECIFIEDINTHEUNITEDNATIONSFISHSTOCK80S ANNEX2,FISHINGEFFORTMEASURESBYGEARCATEGORIES S3 ANNEX3.DATASHEETDESIGN.USEANDPROCESSING 86 ANNEX4,EXAMPLEOFUSEQFKEYTERMS 1M ANNEX5GLOSSARY IDS Copyrightedmaterial 1 1. INTRODUCTION Theseguidelinesaimtohelpthosewhodesignroutinedatacollectionprogrammes.Previous guidesareupdatedinthelightof: • recentinternationalinitiativestopromoteresponsiblefisheries; • increasingconsiderationofeconomicandsocio-culturalissuesinfisheriespolicy-making andmanagement; • technologicaldevelopmentswhichcanenhancedatacollectionandprocessing. Theguidelinesfocusontherelationshipbetweentypicalquestionsaskedbypolicy-makers andmanagersandthedatarequiredforprovidingreliableanswers. 1.1 THEOBJECTIVESOFTHEGUIDELINES TheobjectivesoftheseGuidelinesare; • tofacilitateGovernmentsandfisheriesmanagementauthoritiestoundertakeroutine dcCaaotpdateucrooelflfeCicosthniedornuiecastndafnodrp,rRoeicsnepsposanirstniigcbulnleaerc,Feisfssohraerriyimepsflo1re(meCefCnfRetcFit)ni,gvetthmheeonUirteNolrevFiainnsgthaaSnrtdtoiccmlkaessnAaogfgretemheeemneFtnAtoO2f (FSA)andtheFAOComplianceAgreement3(CA)(seeUN/FAO,1998); • toprovideasummaryoflinksbetweentypicalpolicyandmanagementquestionsand thedatanecessarytoprovidetheanswers; • to provide a guide fororganising an effective and sustainable data collection programme. 1.2 SCOPE Intention;TheGuidelinesareintendedtohelpindividualsandinstitutionsgothrougha logicaldesigncycle,nottoprovideamanualofdatacollectionmethods.Thedocument focusesonthepathwayfromdecisionsonthepolicyandmanagementplanforafishery, throughcollectionofdatatypesrequiredtosupporttheplan,howthesedatashouldbe collectedandassociateddatabaseneeds,totheoverallimplementationprocess.Examples ofperformanceindicators,datavariablesandcollectionmethodsareprovided,butthe document primarily highlights the linkages between these components. Hence, the guidelinesprovideaframework,whichcanbeusedtodevelopandassessdatacollection programmes. Included:Thedocumentonlydealswithroutinedatacollectionforcapturefisheries.The mostimportantsourcesofdataarelong-termregularinformationgatheringonfishingfleet statistics,fishingeffortandassociatedcatches,landingsinweightandvalue,biological samplingofthecatches,variabletripcosts,andcrewdata.Theguidelinesalsocover irregulardatacollectionordatacollectionlessfrequentthantrip-level,suchasfishery censuses,costandearningsstudies,resourcesurveysandfoodsurveys. aErxecltuhdoesde:uDsaetdatcoolfloercmtuiolnatfeornaeqwuamceultthuordesisorexmcolduedleds.iTnhseeloft-hceornttaiynpeedsopfrodgartaamnmoets,cowvheircehd cannotbeconsideredroutine.Theseincludeexperimentalorresearchdatasuchasgrowth andmortalitydatafromtaggingexperiments,stockunitinformation,growthparametersand otherscientificdata. V21F31ei0AAFssggAhDsrrOeeSee.lcteeseoCmmcmooeekbnnndsettetr(hftoseoof1ere9HPCti8roAhg2onenhmdnRIouSeemtcelxpeaatlts1efCi.)mono.regmAnRptsteloasiottpfahioneoMncnasCeioyofbnwsil1ttee9hhr9eFv8IiP,ansrtthotieehvroriininssaetihasioa.nonddnRsaonlMoomfatCento,yhnaeesgtFeUeAcrnmOvoie.atmnteei1dto9iN9onnfa5tat.oSnitf4odro1nrapMscd.edaC.lnoiannvggeeFnmitseihnotSntoMoencaktsshuearnLedaswHbioygfhFltiyhsehMiiSngegraatoofry Copyrightedmaterial
The list of books you might like
