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Market Squid (Loligo (Doryteuthis) opalescens)
Certification Units Considered Under this Species:
• Californiaroundhaulfishery(purseanddrumseine)
• Californiabrailfishery
Summary
Intermsofvolumeandrevenue,marketsquid(Loligo (Doryteuthis) opalescens)representsoneofthemostimportantcommercialfisheriesinCalifornia,generatingmillionsofdollarsofincomeannuallyfromdomesticandforeignsales.Marketsquidismanagedbythestate,consistentwithfederalfisherymanagementguidelines.Becausesquidlivelessthanayearanddieafterspawning,thereisdifficultyinassessingannualrecruitmentorestimatingstockbiomass.Bycatchratesarelow,andthemajorityofincidentalcatchisothercoastalpelagicspecies(CPS).
Strengths:
• Lowincidentalcatchandbycatch
• ManagedunderastateFMPandmonitoredunderafederalFMP
• Newanalyticalapproachtoestimateabundanceofthespawningpopulation(Dorvaletal. 2013)
Weaknesses:
• Catchlimitsarefixed
• Biomassislargelyinfluencedbyenvironmentalfactors
• Marketsquidareanimportantforagespecies-moreinformationisneededtodetermine howcurrentharvestlevelsimpacttheecosystem
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History of the Fishery in California
Biology of the Species
SquidbelongtotheclassCephalopodaofthephylumMollusca(CDFG2005).Thereareapproximately750recognizedspeciesofsquidalivetodayandmorethan10,000fossilformsofcephalopods.Squidhavelarge,well-developedeyesandstrongparrot-likebeaks.Theyusetheirfinsforswimminginmuchthesamewayfishdoandtheirfunnelforextremelyrapid“jet”propulsionforwardorbackward.Thesquid’scapacityforsustainedswimmingallowsittomigratelongdistancesaswellastomoveverticallythroughhundredsofmetersofwaterduringdailyforaging(feeding)bouts.
Marketsquid,Loligo (Doryteuthis) opalescens,rangefromthesoutherntipofBajaCalifornia,Mexico(23°Nlatitude)tosoutheasternAlaska(55°Nlatitude)(CDFG2005).JuvenilesandadultsrangethroughouttheCaliforniaandAlaskaCurrentsystems(RoperandSweeney1984).Paralarvae,thelifestageofmarketsquidatthetimeofhatching,areoftencollectedclosertoshore(ZeidbergandHamner2002).Theirdistributionispatchy,yetifsquidarefoundatonesite,itislikelythatadditionalsquidwillbefoundincloseproximity(knownascontagiousdistribution).
Marketsquidgenerallyhaveamixed,iridescent(opalescent)colorationofmilkywhiteandpurple;however,colorchangesoccurrapidlyinresponsetoenvironmentalconditions(CDFG2005).Similartomostsquidspecies,marketsquidpossessaninksac,whichservesasadefensemechanismbyexpellinginktoconfoundpredators.Marketsquidarelessthan3mm(0.1in)athatchingandgrowtoanaveragemantlelengthof152mm(6in)atthetimeofspawning.Squidhaveeightarmsandtwolongerfeedingtentacles.Malesarelargerandmorerobustthanfemales.Squidpredominantlyrecruitinspring–summerinnorthernCalifornia(Monterey)andinautumn–winterinsouthernCalifornia,alongtheChannelIslands(Reissetal.2004;Footeetal.2006).Followingrecruitment,maturesquidaggregateinshallowcoastalwaters,wherefemaleslayeggcasesinclutchesforapproximately2–3daysanddiesoonafterspawning(Jackson1998;Macewiczetal.2003).AfemalesquidoffCaliforniacanproduceapproximately20eggcapsuleseachcontainingaround200eggsandareattachedindividuallytotheseafloor.ThesustainabilityoftheCaliforniamarketsquidpopulationishighlydependentonseasonalrecruitments.InCalifornia,commercialfisheriestargetadultsduringspawningevents.
Squidfeedoncopepodsasjuvenilesgraduallychangingtoeuphausiids,othersmallcrustaceans,smallfishandothersquidastheygrow(KarpovandCailliet1987).Theyarealsoanimportantpartofthefoodwebandarefoodformanyspeciesincludingpinnipeds,cetaceans,seabirds,andfish(Morejohnetal.1978).
Commercial Fishery
TheCaliforniafisheryformarketsquidwasestablishedover130yearsagoinMontereyBay,centralCalifornia(Vojkovich1998).ThefisheryexpandedintosouthernCaliforniaafterthe1950s,butremainedrelativelyminoruntilthelate1980s,whenworldwidedemandforallsquidspeciesincreased.LandingsinCaliforniapriorto1987rarelyexceeded20,000metrictons(mt)(22,046shorttons(st)).Sincethen,landingshaveincreasedfourfold,andsquidisnowoneofthestate’slargestfisheriesinbothtonslandedandmarketvalue(Vojkovich1998;CDFG2012b).
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TherearetwomajorfisheryareasinCalifornia.ThenorthernfisheryconsistsofMontereyBayandareasnearHalfMoonBaywithmostsquidlandedatMontereyandMossLanding.ThesouthernfisherycoversmultipleportregionsincludingChannelIslandsandcoastalareasfromPointConceptiontoLaJolla.ThemajorsouthernportsincludeSantaBarbaraarea(VenturaandPortHueneme)andtheLosAngelesarea(SanPedroandTerminalIsland).Sincethe1993-94season,muchoftherevenuehascomefromtheSantaBarbaraandLosAngelesportcomplexes,withthehighestrevenuefromSanPedro,PortHuenemeandVentura(PFMC2011a).IntheMontereyarea,thefisheryismostactiveduringthesummermonths;whereasinsouthernCalifornia,themajorityofmarketsquidlandingstakeplaceduringwintermonths(CDFG2012b).Landingsinthesouthernregiontypicallyexceedthenorth(CDFG2005;CDFG2008).In2011,themarketsquidfisherywasthelargestinCalifornia,bothintermsofvolumeandvalue(CDFW2012b).In2012,over97,076mt(107,007st)ofmarketsquidwerelandedinthecalendaryear,withanex-vesselvalueof$68.3million(Figure1)(personalcommunication).In2012-13season,thecommercialfisherywasclosedmid-seasonforthethirdseasoninarow.
Figure 1.Marketsquidlandings(northernandsouthernfisheriescombined)byfishingseason(1April-31March)from1980-81to2011-12seasons(personalcommunication).
Thepresenceofmarketsquidisstronglycorrelatedwithenvironmentalfactors,suchaswatertemperatureandnutrientavailability(CDFG2011a).InwarmwateryearsandduringElNiñoconditions,squidbecomescarceandlandingsdecline.However,whenwatertemperaturescool,evenafterseverewarmwaterevents,marketsquidnumberscanreboundquicklyanddramatically.
Fishingformarketsquidtypicallyoccursonshallow-waterspawningaggregations.Gearusedinthefisheryincludespurseanddrumseines,andlessfrequentlybrailgear,includingdipandscoopnets(Table1;CDFG2005).Lamparagearhasbeenusedhistoricallyinthefisherybutbecameobsoleteoncetheuseofpurseanddrumseineswaslegalized,thusitisnotbeingconsideredintherapidassessment(CDFG2005).Lightboatsareusedintandemwiththeseinerstoattractandaggregatespawningsquidtosurfacewaters(CDFG2005).Alightboatistypicallyasmallervesselwithseveralhigh-poweredlightslocatedatvariouslevelsaroundthevessel.In2012,42brailpermits,36lightboatpermits,77vesselpermitsandzeroexperimentalpermitswereissued(CDFW2013b).
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Table 1. Marketsquidgeartypedescription.(CDFG2005)
MarketsquidarealsotakenbythecommerciallivebaitindustrytosupplytheCaliforniarecreationalfishingindustry,primarilyinsouthernCalifornia(CDFG2005).Livebaitcatchislargelydependentonlocalavailability,andissoldbyvesselseitheratseaoratlivebaitdealershipsinseveralharborsstatewide.SincethesaleoflivebaitinCaliforniaisnotdocumentedinamannersimilartothatusedforthecommercialsaleofsquid,estimatesoftonnageandvalueareonlyavailableviavoluntarylivebaitlogs.Presentmarketsquidregulationsdonotrequireasquidpermitwhenfishingforlivebait.Itisassumedthetakeoflivebaitisminor,buttheactualamountofsquidtakenaslivebaitisunknown.
Recreational Fishery
Marketsquidmaybetakenrecreationallywithhand-helddipnets(CDFW2013a).Thereisnolimit,closedseasons,closedhoursorminimumsizelimits.Sportfishingvesselsandprivatelyownedskiffscatchsquidforbaitbyusingattractinglightsandbrailnetsand/orrodandreel.Recreationallandingsrecordsarenotkept.
MSC Principle 1: Resource Sustainability
*Sustainability of Target Stock
Thestatusofthepopulationisnotfullyunderstood(CDFG2008).Marketsquidliveonaverageonly6–9months(Butleretal.1999),andthepopulationfluctuatesmarkedlyfromyeartoyear,largelyinapparentresponsetoenvironmentalfactors.DuringElNiñoevents,thefisheryhasdeclinedprecipitouslybyanorderofmagnitudeandmore.However,itrecoverstypicallywithinafewyears,particularlyinresponsetoLaNiñaevents(Zeidbergetal.2006).Becausemarketsquidareashort-livedandhighlyfecundspecies,itseemstobeabletorecoverfromdramaticdecreasesinthepopulationinashortperiodoftime.Thepreponderanceofevidenceindicatesthatthesedramaticfluctuationsaremorelikelyduetochangesinabundancethanmereshiftsinavailabilitytothefishery(Reissetal.2004).Evidencefromstudiesonparalarvae,eggbeds,behavior,genetics,andcatchdatasuggestbiomassislarge,andattimes,mayconstitutethelargestpopulationofanysinglemarketablespeciesinCalifornia’scoastalenvironment.GeneticanalyseshaveindicatednosignificantdifferencesbetweenthesouthernCaliforniaandMontereypopulations,suggestingthattherearenottwodistinctstocksbetweenthetwofisheries(CDFG2008).
*ForCalifornia’sSustainableSeafoodProgram,thiscategorymustscorean80orhigherduringanMSCassessment.
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TheEggEscapementMethodhasbeenusedasanassessmenttool,toevaluatepopulationdynamicsandbiologicalreferencepointsformarketsquid(Dorvaletal.2008).Theestimatesofeggescapementareevaluatedinthecontextofa“threshold”thatisbelievedtorepresentaminimumlevelthatisconsiderednecessarytoallowthepopulationtomaintainitslevelofabundanceintothefuture(i.e.,allowfor“sustainable”reproductionyearafteryear).Inpracticalterms,theEggEscapementapproachcanbeusedtoevaluatetheeffectsoffishingmortality(F)onthespawningpotentialofthestock,andinparticular,toexaminetherelationbetweenthestock’sreproductiveoutputandcandidateproxiesforthefishingmortalitythatresultsinmaximumsustainableyield(FMSY).‘Escapement’inthissenseisdefinedastheproportionofafemalesquid’slifetimefecunditythatisspawned,onaverage,beforethefemaleiscapturedinthefishery(PFMC2011a).Recentresearcheffortshavedevelopedananalyticalapproachforcomputingestimatesofabsoluteabundanceofthespawningpopulationusingrelativelylimitedinformation,i.e.catchandbiologicaltimeseriesdata,andfishingmortalityestimatesinferredfromtheeggs-per-recruitmethods(Dorvaletal.2013).Althoughtimedemanding,thisper-recruitanalysisrepresentsapotentiallyeffectiveapproachformonitoringreproductiveoutputsandforaidingstockstatusdeterminationsofharvestedmarketsquid(Dorvaletal.2013).Atmaximumpeaksofabundance,thetotalspawningstock,includingbothfemaleandmalemarketsquid,mayrangebetween215,000and254,000mt(236,996and279,987st)inasinglequarterinsouthernregions(SantaBarbaraandSanDiego).Insomecases,stockbiomassvariedbyregionfromonetotwoordersofmagnitude.Thecurrentstate-imposedcatchlimitof107,048mt(118,000st)representsanannualquotafortheentireCaliforniafisheryinafishingseason(CDFG2005).
Thereareconcernsaboutoverexploitationduringtheperiodicdownturnsofthepopulation(Zeidbergetal.2006).Catchperuniteffort(CPUE),arelativemeasureofabundance,hasbeenrelativelysteady,butCPUEisgenerallyunreliableasaproxyforstockbiomass,particularlyforafisherywithevolvinggeartechnology(greaterefficiencyovertime)andthattargetsspawningaggregations(HilbornandWalters2001).Theimpactofthefisheryonthepopulationhasbeenrecentlymodeled(Dorvaletal.2013).Increasingfishingmortality(F)wasestimatedtodecreasesinproportionaleggescapement.IncaseswhenFwaskeptconstant,anincreaseinnaturalmortality(M)resultedinanincreaseincatchfecundityandproportionaleggescapement.Studiesindicatethatmarketsquidendureveryhighnaturalmortalityrates,andtheadultpopulationiscomposedalmostentirelyofnewrecruitsmadeupofmultiplecohorts.Evenintheabsenceoffishing,theentirestockreplacesitselfsemi-annually,sothestockisentirelydependentonsuccessfulspawningfromeachgenerationcoupledwithgoodsurvivalofrecruitstoadulthood.
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*MSCevaluationsdefineaLimitReferencePoint(LRP)andaTargetReferencePoint(TRP).Theserepresenttheminimumbiomassofastock,belowwhichmightendangerself-renewal,andthemaintenanceofthestockatlevelsconsistentwithBMSY,respectively.Formarketsquid,aproxyfortheLRPcouldbethemaximumfishingmortalitythreshold(MFMT),setat:FMSYresultingineggescapement≤30%;aproxyforTRPistheMSY,setat:FMSYresultingineggescapement≥30%(PFMC2011b).
Harvest Strategy (Management)
Marketsquidismanagedbythestate,consistentwithfederalfisherymanagementguidelines(CoastalPelagicSpeciesFisheryManagementPlan(CPSFMP)).In2005,theFishandGameCommission(FGC)adoptedtheMarketSquidFisheryManagementPlan(MSFMP),whichimplementedaseriesoffisherycontrolrulesandarestrictedaccessprogramthatlimitsthenumberoffishingpermits.ThefisherycontrolrulescurrentlyinplaceundertheCaliforniaMSFMParethoughttoprecludetheneedforactivemanagementundertheCPSFMP(PFMC2011a).
ThegoalsoftheMSFMParetoprovideaframeworkthatwillberesponsivetoenvironmentalandsocioeconomicchangesandtoensurelong-termresourceconservationandsustainability(CDFG2005).Thetoolsimplementedtoaccomplishthesegoalsinclude:
1.settingafixedseasonalcatchlimitof107,048mt(118,000st)topreventthefisheryfromover-expanding(basedonanaveragecatchovera3yearperiodfrom1999-00to2001-02seasons)(Restrepoetal.1998;CDFG2005),
2.maintainingmonitoringprogramsdesignedtoevaluatetheimpactofthefisheryontheresource,
3.continuingweekendclosuresthatprovideforperiodsofuninterruptedspawning,
4.continuinggearregulationsregardinglightshieldsandwattageusedtoattractsquid,
5.establishingarestrictedaccessprogramthatincludesprovisionsforinitialentryintothefleet,permittypes,permitfees,andpermittransferabilitythatproducesamoderatelyproductiveandspecializedfleet,and
6.creatingaseabirdclosurerestrictingtheuseofattractinglightsforcommercialpurposesinanywatersoftheGulfoftheFarallonesNationalMarineSanctuary.Underthisframework,theMSFMPprovidestheCommissionwithspecificguidelinesformakingmanagementdecisions.
MSC Performance Indicators Rating Justification
1.1.1 Stock Status Biomass has been recently estimated for some seasons (Dorval et al. 2013), however populations fluctuate markedly from year to year due to environmental variables making it difficult to determine the status of the stock
1.1.2 Reference Points Proxies for a limit reference point* and a target reference point*.
1.1.3 Stock rebuilding Did not assess
Evaluation against MSC Component 1.1: Sustainability of Target Stock
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Thefollowingaretheharvestcontrolrulesformarketsquid(CDFG2005;PFMC2011b):
MFMT:MaximumFishingMortalityThreshold;theleveloffishingmortality(F),onanannualbasis,abovewhichoverfishingisoccurring.MSY:MaximumSustainedYield;thelargestlong-termaveragecatchthatcanbetakenfromastockunderprevailingecological,environmentalandfishingconditions.ABC:AcceptableBiologicalCatch;therangeofallowablecatchforaspeciesACL:AnnualCatchLimit
RegulationsstatethatcommercialfishingformarketsquidisnotallowedbetweennoononFridayandnoononSundayofeachweek;however,vesselstakingsquidforlivebaitpurposesareexempt.Vesselsusinglighttoattractsquidcanuseamaximumof30,000wattsandmustuseshieldsthatcastlightdirectlydownward.UseoflightsisprohibitedforallvesselstakingsquidintheGulfoftheFarallonesNationalMarineSanctuary.TheCommissionhasestablishedastatewideseasonalcatchlimitationbasedonamulti-yearrecentaveragecatch.TheCaliforniaDepartmentofFishandWildlife(CDFW)willestimate,givencurrentlandingtrends,whenthecatchlimitwillbereachedandwillpubliclyannounceadateoffisheryclosure.
TheCommissionhasdecidedtocontinuetheexistingsquidmonitoringprograms,includingfishery-dependentsamplingeffortsandongoingmonitoringofcatchinformation,especiallythosefocusedondevelopingmanagementmodels.TheadoptedprojectalsomaintainsCDFWlogbooksystemforsquidvesselsandlightboats.Theserecordsprovidevaluablecatchinformationotherthanlandingdata.Thesemonitoringprograms(portsamplingandlogbooks)aredesignedtoenablelearningmoreaboutthefisheryandresourceandareintendedtoaidinthedevelopmentofpopulationmodelstosustainharvests(CDFG2005).
Evaluation against MSC Component 1.2: Harvest Strategy
MSC Performance Indicators Rating Justification
1.2.1 Harvest Strategy Fixed seasonal catch limit -‐ fishery is shut down once limit is projected to be reached; Management structure and strategy is robust
1.2.2 Harvest Control Rules and Tools
Egg escapement threshold used as a proxy for FMSY; Restricted access, seasonal catch limit, weekend closures, area closures, gear restrictions
1.2.3 Information/Monitoring Fishery dependent and independent sampling, ongoing catch monitoring data available (logbooks, observers, port sampling); Data collected to aid stock status determinations
1.2.4 Assessment of Stock Status
No stock assessment (inherent difficulties in assessing a stock that is short-‐lived); Recent research has developed an approach for computing estimates of the spawning population, though approach is not fully utilized to date
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MSC Principle 2: Impact on Ecosystem
Retained Species
Purse and Drum Seines
Roundhaulgearconsistsofencirclingtypenets,whicharedeployedaroundaschooloffishorpartofaschool(PFMC2011a).Whentheschoolissurrounded,thebottomofthenetmaybeclosed,thenthenetdrawnnexttotheboat.Theareaincludingthefree-swimmingfishisdiminishedbybringingoneendofthenetaboardthevessel.Whenthefisharecrowdednearthefishingvessel,pumpsareloweredintothewatertopumpfishandwaterintotheship’shold.
Roundhaulfishingresultsinsmallquantitiesofunintentionallycaughtfish,primarilybecausethefishermentargetspecificschools,whichusuallyconsistsofonespecies.Theloadispumpedoutoftheholdatthedock,wherethecatchisweighedandincidentally-caughtfishcanbeobservedandsorted.Becausepumpingatseaissocommon,anyincidentalcatchofsmallfishwouldnotbesortedatsea.ThepresenceorabsenceofincidentalcatchhasbeendocumentedthroughCDFW’sportsamplingprogram(allgeartypescombined)butactualamountsofincidentalcatcharenotquantifiedwiththismonitoring(PFMC2011c).Marketsquidtypicallyschoolwithsimilarlysizedfish,andthemostcommonincidentalcatchinthecoastalpelagicspecies(CPS)fisheryisanotherCPS(e.g.,Pacificmackerel,Pacificsardinefishery,northernanchovyandjackmackerel).Noneofthesespecies,includingPacificsardine,Pacificmackerel,areconsideredoverfishedorotherwisejeopardizedbythemarketsquidfishery(PFMC2011a).
DuringapilotobserverprogramconductedbyNationalMarineFisheriesServiceSouthwestRegion(NMFS-SWR)onseinevesselsfrom2004-08,themostincidentallycaughtspecies,Pacificmackerel,waslessthan2%oftotalsquidlandingsduringthattime(Table3).In2010,lessthan1%ofroundhaulmarketsquidlandings(bytonnage)includedreportedincidentalcatchofCPS(PFMC2011c).Similartopreviousyears,mostofthiscatchwasotherpelagicspecies,includingPacificsardineandmackerel,andkelpwasalsoobservedfrequently.
Whilenotspecificallyimpactingtheecosystem,aconcerninthemarketsquidfisheryisincidentalcatchofmarketsquideggcapsules,whichmayaffectthestockitself.In2011,approximately8.4%ofsampledlandingscontainedsquideggcases(PFMC2011d).Undertheproposedmanagementstrategy,thefisheryismonitoredbyevaluatingescapementofsquideggsfromthefishery.Ifthefisherydamagessquidspawningbeds,andthisdamageisasignificantsourceofeggmortality,themonitoringprogramwillbebiasedunlessthisadditionalsourceofmortalityisaccountedfor.
Evaluation against MSC Component 2.1: Retained SpeciesMSC Performance Indicators Rating Justification
2.1.1 Outcome Retained species catch is low and primarily consists of other CPS
2.1.2 Management Coastal pelagic species (see 2.1.1 Outcome) are managed or monitored under the PFMC’s CPS FMP
2.1.3 Information CDFW port sampling, logbooks, landing receipts; NMFS-‐SWR CPS pilot observer data (2004-‐08)
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Brail
Thebrailfleetproducesonlyasmallfractionoftheoveralltakeofmarketsquid.Thehydraulicbrail(scoop)netisusedonboardvesselsthatareusuallysmallerthanseiners.Becausebrailvesselsarecompactandmoremaneuverable,theyareusedinshallowerdepthsthatareclosertoshoreandinareaswhereseinersareprohibited(e.g.,SantaMonicaBayandthemainlandsideofCatalinaIsland)(Brady2008).
CDFW’sportsamplingprogramdocumentsthepresenceofincidentalcatch.Asstatedabove,themajorityofincidentalcatchinthesquidfisheryareothercoastalpelagicspecies(e.g.,Pacificmackerel,Pacificsardine,northernanchovyandjackmackerel)(PFMC2011d).Noneofthesespecies,includingPacificsardineorPacificmackerel,areconsideredoverfishedorotherwisejeopardizedbythemarketsquidfishery(PFMC2011c).SincethebrailfleetisresponsibleforasmallportionoftotalmarketsquidlandingsinCalifornia,alongwithdatatosuggestmostincidentalcatchconsistsofotherCPS(managedundertheCPSFMP),itisunlikelythatthebrailfisheryposesariskofseriousorirreversibleharmtoretainedspecies.
Evaluation against MSC Component 2.1: Retained SpeciesMSC Performance Indicators Rating Justification
2.1.1 Outcome Retained species catch is low and primarily consists of other coastal pelagic species
2.1.2 Management Coastal pelagic species (see 2.1.1 Outcome) are managed or monitored under the PFMC’s CPS FMP
2.1.3 Information CDFW port sampling, logbooks, landing receipts, NMFS-‐SWR CPS pilot observer data (2004-‐08)
Bycatch Species
Purse and Drum Seine
DuringaCPSpilotobserverprogramconductedbyNMFS-SWRonseinevesselsfrom2004-2008,themajorityofnon-targetspeciesconsistedofotherCPS(anchovy,jackandPacificmackerel,sardine),butalsoinfrequentlyincludedbenthic(bottom-dwelling)speciessuchasstingrays,batrays,brittlestars,andcroaker(Table2;PFMC2011c;PFMC2011d).Iflargerfishareinthenet,theycanbereleasedalivebeforepumpingbyloweringasectionofthecork-lineorbyusingadip-net.Gratescanbeusedtosortlargernon-CPSfromthecatch.
Sincemanybycatchspeciescanbediscardedliveatsea,alongwithsomeobserveddatatosuggestbycatchislow,itisunlikelythattheseinefisheryposesariskofseriousorirreversibleharmtobycatchspecies.
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Evaluation against MSC Component 2.2: BycatchMSC Performance Indicators Rating Justification
2.2.1 Outcome Bycatch is low, can be discarded live
2.2.2 Management Bycatch is low, many species covered under the groundfish FMP
2.2.3 Information Logbooks, NMFS SAFE reports, NMFS-‐SWR CPS pilot observer data (2004-‐08)
Brail
NMFS-SWRpilotobserverdatafromseinevesselssuggeststhemajorityofnon-targetspeciesconsistedofotherCPS,butalsoinfrequentlyincludedbenthicspecies(PFMC2011c).Becausebrailvesselsoftenfishinareasclosertoshore,thepilotobserverdatamaynotberepresentativeofthebrailfleet.Howeversincethebrailfleetproducesonlyasmallfractionoftheoveralltakeofmarketsquid,itisunlikelythatthebrailfisheryposesariskofseriousorirreversibleharmtobycatchspeciesthoughmoredatamaybenecessaryifthefisheryweretopursueMSCcertification.
Evaluation against MSC Component 2.2: Bycatch
MSC Performance Indicators Rating Justification
2.2.1 Outcome Bycatch is likely low, species can be discarded live, but more data is necessary for the brail fleet
2.2.2 Management Bycatch is likely low, many bottom-‐dwelling species are covered under the groundfish FMP
2.2.3 Information Logbooks
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Table 2.CatchsummaryforseinevesselstargetingmarketsquidfromNMFS-SWRcoastalpelagicspeciespilotobserverprogram,2004-2008.(NMFS2011d)
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*Endangered, Threatened, and Protected Species
Purse and Drum Seine
NOAANationalMarineFisheriesService(NMFS)classifiesallU.S.commercialfisheriesintooneofthreecategories(I,II,III)basedonthelevelofincidentalseriousinjuryandmortalityofmarinemammalsthatoccursineachfishery(NMFS2012).TheCaliforniasquidpurseseinefisheryhasoccasionalinteractionswithendangered,threatenedandprotectedspecies,includinglong-beakedcommondolphin,Californiashort-beakedcommondolphin,Californiasealions,andharborseals(Table2;NMFS2012);however,itislistedasacategoryIIIfishery(remotelikelihoodof/noknownincidentalmortalityorseriousinjuryofmarinemammals).GiventheNMFS’s2012LOFclassificationitisunlikelythattheCaliforniaseinefisheryposesariskofseriousorirreversibleharmtoendangered,threatenedandprotectedspecies.
Evaluation against MSC Component 2.3: Endangered, Threatened & Protected Species
*ForCalifornia’sSustainableSeafoodProgram,thiscategorymustscorean80orhigherduringanMSCassessment.
MSC Performance Indicators Rating Justification
2.3.1 Outcome NMFS category III fishery, ETP species impacts are low, though occasional interactions with dolphins, sea lions and seals
2.3.2 Management Measures exist, including Magnuson-‐Stevens Act, CEQA, Migratory Bird Act, Marine Mammal Protection Act, to protect ETP species
2.3.3 Information Observer data from 2004-‐2008; logbooks; NMFS SAFE reports; NMFS LOF
Brail
NOAANationalMarineFisheriesService(NMFS)classifiedtheCaliforniamarketsquidbrail(dipnet)fisheryascategoryIII,indictingnodocumentedinteractionswithmarinemammalspecies(NMFS2012).GiventheNMFS’s2012LOFclassification,itisunlikelythattheCaliforniabrail(dipnet)fisheryposesariskofseriousorirreversibleharmtoendangered,threatenedandprotectedspecies.
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Evaluation against MSC Component 2.3: Endangered, Threatened & Protected SpeciesMSC Performance Indicators Rating Justification
2.3.1 Outcome NMFS category III fishery, ETP species impacts are low, no documented interactions with marine mammals
2.3.2 Management Measures exist, including Magnuson-‐Stevens Act, CEQA, Migratory Bird Act, Marine Mammal Protection Act, to protect ETP species
2.3.3 Information NMFS SAFE reports; NMFS LOF
Habitats
Purse and Drum Seine
Theeast-westgeographicboundaryofessentialfishhabitat(EFH)formarketsquidisdefinedtobeallmarineandestuarinewatersfromtheshorelinealongthecoastsofCalifornia,Oregon,andWashingtonoffshoretothelimitsoftheexclusiveeconomiczone(EEZ)andabovethethermoclinewhereseasurfacetemperaturesrangebetween10˚Cto26˚C(50˚to79˚F)(CPSMT2010).ThesouthernboundaryofthegeographicrangeofallCPSisconsistentlysouthoftheUS-Mexicoborder,indicatingaconsistencyinseasurfacetemperatures(SSTs)below26˚C(79˚F),theupperthermaltoleranceofCPS.Therefore,thesouthernextentofEFHforCPSistheUS-Mexicomaritimeboundary.ThenorthernboundaryoftherangeofCPSismoredynamicandvariableduetotheseasonalcoolingoftheSST.ThenorthernEFHboundaryis,therefore,thepositionofthe10˚C(50˚f)isotherm,whichvariesbothseasonallyandannually.
AppendixDoftheCPSFMP(PFMC1998)notesthatcontactbetweenroundhaulgear(purseseines)andsubstrateisrareinfishingforCPSfinfishandmarketsquid,becausefishingusuallyoccursinwaterdeeperthantheheightofthenet.Thus,theonlyopportunityfordamagetobenthosoressentialfishhabitatforanyspeciesinfishingforCPSfinfishisfromlostgear.Thereispotentialforfishingtoimpactsquidspawninggroundsbecausemarketsquidattachtheireggcasestothebottomsubstrateatspawningsitesthatincludeshallow,nearshoreareas.Suchdamageisnotbelievedtobeextensiveandistransitorywithregardtothehabitat.
Evaluation against MSC Component 2.4: Habitat
MSC Performance Indicators Rating Justification
2.4.1 Outcome Habitat damage from roundhaul gear is not believed to be extensive
2.4.2 Management Temporal and spatial area closures, gear restrictions
2.4.3 Information Logbooks, observer information
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Brail
Unabletoassesshabitatimpactsfrombrailgear–lackofdata.
Evaluation against MSC Component 2.4: Habitat
Ecosystem
Marketsquidareanintegralpartofthefoodwebtomanymarinevertebrates(Figure2).Fish,seabirds,andmarinemammalsallutilizesquidasapreyitem.Squidhasbeendocumentedasanimportantdietarycomponentofthenorthernelephantseal,northernfurseal,Californiasealion(LowryandCarretta1999),Dall’sporpoise,Pacificstripeddolphin,Risso’sdolphin,toothedwhalessuchastheshort-finnedpilotwhale(Hacker1992),thespermwhale,andthebottlenosewhale(Fields1965).Inaddition,seabirdssuchasthecommonmurre,ashystorm-petrel,blackstorm-petrel,fork-tailedstorm-petrel,andrhinocerosaukletsfeedonmarketsquid(Morejohnetal.1978).InMontereyBay,19speciesoffishwerefoundtofeeduponmarketsquid,includingmanycommerciallyimportantspeciessuchasPacificbonito,salmon,halibut,andtuna(Fields1965,Morejohnetal.1978).Thesefishesincludealldepleted,threatened,andendangeredsalmonstocksalongthecoast.Infactpredatorsfrommanytrophiclevelsutilizebothsmallpelagicfishes,suchasnorthernanchovyandsardine,andsquidaseitheraprimaryorsupplementaryfoodsource(CDFG2005).
Marketsquidfeedonavarietyofpreyduringtheirlifecycle(CDFG2005).Aslarvaeandjuveniles,squidconsumecopepodsandeuphasiids.Thesefast-movingpreyitemsareachallengetoyoungsquid;theyenhancethedevelopmentofprey-captureandescapeskills(PreussandGilly2000).Asadults,marketsquidfeedonfish,polychaeteworms,squid(cannibalism),andcrustaceanssuchasshrimpandpelagicredcrab.Also,squidarefoundincommercialcatchesofanchovies,sardines,herring,mackerel,andsaurieswheretheyfeedwithandmostlikelyuponthesefish(Fields1965).
UndertheMarineLifeManagementAct(MLMA),CDFWmustconsiderecosystemimpactsofafishery,namelytheconservationofnotonlytheexploitedspecies,buttheotherspeciesthatdependonthatresource.Atpresent,thedynamicsofmanyofthesetrophicrelationshipsforsquidarenotwellunderstood.Inaddition,theFGChasaForageFishPolicythatenvisionsmanagementofforagespeciesthat(1)optimizestheirecological,economicandsocialvalues,(2)accountsforthebenefitsrenderedbyforagespeciestootherspecies,fisheries,wildlife,andtheoverallecosystem,and(3)considersrecreationalandcommercialfishinginterestsandothereconomicsectors.TheCommissionintendstoprovideadequateprotectionforforagespeciesthroughmanagementgoals.Atthisstagehowever,moreinformationisneededtounderstandhoworifthecurrentmanagementmeasuresprotecttheecosystemstructureandfunction.
MSC Performance Indicators Rating Justification 2.4.1 Outcome No data, however likely green since brail gear
only scoops from the surface of the water 2.4.2 Management Temporal and spatial area closures, gear
restrictions 2.4.3 Information Logbooks
15
Figure 2.Foodwebformarketsquid,Loligo (Doryteuthis) opalescens,involvingcommerciallyimportantorabundantfish,birds,andmarinemammals(Morejohnetal.1978).
Evaluation against MSC Component 2.5: Ecosystem
MSC Performance Indicators Rating Justification
2.5.1 Outcome Squid are an important forage species, more information is needed to determine how current harvest levels impact the ecosystem; annual catch limit is currently fixed based on a 3 year average catch
2.5.2 Management MLMA; The FGC has a Forage Species policy
2.5.3 Information Trophic interactions are not fully understood
16
MSC Principle 3: Management System
Governance and Policy
Instatewaters(0-3milesoffshore),theFGCmanagesvariousfisheriesthroughmeasuresthatincludebutarenotlimitedtodeterminingseasons,catchlimits,andmethodsoftake.Ineachcase,theFGCholdsregularopenpublicmeetingsthroughoutthestatetoreceiveandconsiderindividualandgroupinputpriortoadoptionofneworchangedregulations.RecommendationsalsocomefromCDFW.OncetheFGCvotestoadoptaregulation,CDFWisresponsibleforenforcingit.CDFWimplementsmanagementplans,providestechnicalexpertise,managesfisheryregulationsandcoordinatestheimplementationofpolicystate-wide.CDFWisresponsibleforprovidingrecommendationstotheFGCandcarryingoutresearchthatinformstheserecommendationsorothermanagementdecisionsbytheLegislature.CDFWisalsoresponsibleforenforcingthefishandgameregulationsmandatedbytheFGC,theLegislature,andthefederalgovernment.TheLegislaturecanincreasetheFGC’spowersbydelegatingfurtherregulatoryandmanagementauthority.TheMLMAgovernsthewaythemajorityofFGCfisheriesaremanaged.
MarketsquidisincludedintheFederalCPSFMPasamonitoredspecies.ThePacificFisheryManagementCouncilisoneofeightregionalfisherymanagementcouncilsestablishedbytheMagnuson-StevensFisheryConservationandManagementActof1976(MSA).TheGuidelinesforFisheryManagementPlans(FMPs)publishedbytheNationalMarineFisheriesService(NMFS)requirethatastockassessmentandfisheryevaluation(SAFE)reportbepreparedandreviewedannuallyforeachFMP(PFMC2011c).SAFEreportsareintendedtosummarizethebestavailablescientificinformationconcerningthepast,present,andpossiblefutureconditionofthestocks,marineecosystems,andfisheriesbeingmanagedunderfederalregulation.RegionalFisheryManagementCouncilsusethisinformationtodetermineannualharvestlevelsforeachstock,documentsignificanttrendsorchangesintheresources,marineecosystems,andfisheryovertime,andassesstherelativesuccessofexistingstateandfederalfisherymanagementprograms.
Evaluation against MSC Component 3.1: Governance and Policy
MSC Performance Indicators Rating Justification
3.1.1 Legal and/or Customary Framework
The FGC must operate under the MLMA; PFMC and NMFS must operate under Magnuson-‐Stevens Act
3.1.2 Consultation, Roles and responsibilities
The FGC holds public meetings prior to adoption of new regulations; CDFW responsible for implementing and enforcing both state and federal regulations
3.1.3 Long-‐term Objectives Goals and objectives detailed in MLMA, Magnuson-‐Stevens Act and FMPs
3.1.4 Incentives for Sustainable Fishing
Sustainability is an underlying goal of the MLMA, MSA
17
Fishery Specific Management System
In2001,legislationtransferredtheauthorityformanagementofthemarketsquidfisherytotheFGC.LegislationrequiredthattheFGCadoptamarketsquidfisherymanagementplanandregulationstoprotectandmanagetheresource.InAugustandDecemberof2004,theFGCadoptedtheMSFMP,consistentwiththefederalmanagementbythePacificFisheryManagementCouncil.ThegoalsoftheMSFMParetoprovideaframeworkthatwillberesponsivetoenvironmentalandsocioeconomicchangesandtoensurelong-termresourceconservationandsustainability.
Underthisframework,theMSFMPprovidestheFGCwithspecificguidelinesformakingmanagementdecisions.TheFGChastheabilitytoreactquicklytochangesinthemarketsquidpopulationoffCaliforniaandimplementmanagementstrategieswithouttheneedforafullplanamendment.TheMSFMPframeworkwasalsodesignedtoachievethegoalsandobjectivesoftheMLMA.TheMLMAof1998createdpolicies,goals,andobjectivestogoverntheconservation,sustainableuseandrestorationofCalifornia’slivingmarineresources.TheMLMAgavetheFGCandCDFWspecificauthorities,goals,objectives,andmandatesformanagingmarineresources(CDFG2005).TheMSFMPmustalsobeconsistentwiththemanagementoutlinedinCPSFMPAmendment10.
TheFGCestablishedthattheDirectorofCDFWmaycreateanadvisorycommitteewhennecessarytoassistCDFWwithdevelopmentandreviewoffisheryassessments,managementoptionsandproposals,andPlanamendments(CDFG2005).Thissquidfisheryadvisorycommitteemustincluderepresentativesfromindustry,science,andtheenvironmentalcommunity.ThecommitteecanassistCDFWbyprovidingrecommendationsregardingtheeffectivenessofadoptedsquidmanagement.
TheMLMArequiresperiodicreviewofmanagementmeasuresbecauseenvironmental,social,andeconomicchangesmayleadtoconsiderationofregulatorychangesundertheframeworkdescribedabove(CDFG2005).IfCDFWdeterminesthatcurrentmanagementofthemarketsquidfisheryisnotmeetingthegoalsoftheMSFMP,CDFWwillpresenttheresultsofthisreviewtotheadvisorycommittee(s)establishedundertheMSFMPtoseektheirviewsandrecommendations.CDFWwillthenpresentitsrecommendationsandviewsoftheadvisorycommittee(s)totheFGCregardingtheneedforchangesinmanagementofthemarketsquidfishery.CDFWneedstopresenttherationale,dataandanalysesinsupportofitsrecommendationsforregulatorychanges.Theadvisorycommittee(s)mayalsomakemanagementrecommendationstoCDFW.TheFGCwillthendeterminewhethertoconsideranamendmenttotheMSFMPorafullrulemakingactionfortheregulationsimplementingit.
EnforcementoffishingregulationsisconductedinstatewatersbyCDFW’sLawEnforcementDivisionandinfederalwatersbyNOAA’sOfficeofLawEnforcement.Additionallytoolssuchasportsampling,logbooks,andobservercoverageareusedtomonitorcatchandensurevesselshavethecorrectpermitsforthecatchtheyarelanding.Violatorsareprosecutedunderthelaw.Thereisnoevidenceofsystemicnon-compliance.
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Evaluation against MSC Component 3.2: Fishery Specific Management System
MSC Performance Indicators Rating Justification
3.2.1 Fishery Specific Objectives Outlined in the CPS FMP and MSFMP
3.2.2 Decision-‐making Processes MLMA gave the Commission and CDFW specific authorities, goals, objectives, and mandates for managing marine resources
3.2.3 Compliance & Enforcement
An enforcement system exists and has demonstrated an ability to enforce relevant management measures, strategies and/or rules.
3.2.4 Research Plan CPS FMP and MSFMP detail monitoring plans, however they have not been fully implemented to date
3.2.5 Management Performance Evaluation
MLMA requires periodic review of management measures; the Commission may create advisory committee to review and develop management options and amendments
California Specific Requirements
TheCaliforniavoluntarysustainableseafoodprogramrequiresfisheriesseekingcertificationtomeetCaliforniaspecificstandardsinadditiontothestandardsandrequirementsoftheMarineStewardshipCouncil(MSC)sustainablefisheriescertificationprogram.Theseinclude:
1.Higherscores(80insteadof60)fortwoperformanceindicators(PI)oftheMSCprogram:“StockStatus”(PI1.1.1)and“By-catchofEndangered,Threatened,orProtected(ETP)Species”(PI2.3.1).ThesetwoPIsarehighlightedinthereport.
2.Additionalindependentscientificreview:TheOPCScienceAdvisoryTeamwillbeengagedinthecertificationprocessthroughearlyconsultationinreviewingminimumeligibilitycriteria,andreviewoftheMSC-requiredpre-assessmentsandfullassessments.ThereviewswillbeconductedinadditiontoMSC’speerreview,thusbringingadditionalcredibility,transparency,andindependencetoCalifornia’scertificationprocess.
3.Additionaltraceabilitycomponents:TheCaliforniaprogramwilldevelopauniquebarcodeforCaliforniacertifiedsustainablefish.Thisbarcodecanbeeitherscannedbyasmart-phoneorlinkedtoawebsitethatwillrevealadditionalinformationaboutthefishery,andinformationabouttoxicitywhenavailable.
Recommendations
Becausemarketsquidareshortlivedandhighlyfecundspeciesitseemstobeabletorecoverfromdramaticdecreasesinthepopulationinashortperiodoftime;however,ifharvestwas
19
reducedduringsuchlowproductivityperiodsthestockmaybeabletorecoverevenfasterwhenconditionsimproved.
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Appendix A
MSC Assessment Tree Market Squid Round Haul Brail
Principle Component Performance Indicator All All
Principle 1: Health of Fish Stock
Outcome
1.1.1: Stock status
1.1.2: Reference points
1.1.3: Stock rebuilding Did not assess
Did not assess
Harvest Strategy (Management)
1.2.1: Harvest strategy
1.2.2: Harvest control rules
1.2.3: Info/ monitoring
1.2.4: Stock assessment
Principle 2: Impact on Ecosystem
Retained species
2.1.1: Status
2.1.2: Mgmt strategy
2.1.3: Information
By-catch species 2.2.1: Status
2.2.2: Mgmt strategy
2.2.3: Info
ETP species 2.3.1: Status
2.3.2: Mgmt strategy
2.3.3: Info
Habitats 2.4.1: Status
2.4.2: Mgmt strategy
2.4.3: Info
Ecosystem 2.5.1: Status
2.5.2: Mgmt strategy
2.5.3: Info
Principle 3: Management System
Governance & Policy
3.1.1: Legal framework
3.1.2: Consultation, roles, and responsibilities
3.1.3: Long term objectives
3.1.4: Incentives for sustainable fishing
Fishery Specific Mgmt System
3.2.1: Fishery specific objectives
3.2.2: Decision making process
3.2.3: Compliance & enforcement
3.2.4: Research plan
3.2.5: Management performance evaluation