Acoustic Select ieo.ppt
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SCIENTIFIC COMMITTEE SCIENTIFIC COMMITTEE FOURTH REGULAR SESSION FOURTH REGULAR SESSION 11 11-22 August 2008 22 August 2008 Port Moresby, Papua New Guinea Port Moresby, Papua New Guinea RESEARCH ON ACOUSTIC SELECTIVITY ON RESEARCH ON ACOUSTIC SELECTIVITY ON RESEARCH ON ACOUSTIC SELECTIVITY ON RESEARCH ON ACOUSTIC SELECTIVITY ON FAD ASSOCIATED TROPICAL PURSE SEINE FISHERIES FAD ASSOCIATED TROPICAL PURSE SEINE FISHERIES WCPFC WCPFC-SC4 SC4-FT FT-SWG/WP SWG/WP-2 Instituto Español de Oceanografía Instituto Español de Oceanografía (Ministerio de Ciencia e Innovación (Ministerio de Ciencia e Innovación) Secretaría General del Mar Secretaría General del Mar (Ministerio de Medioambiente, Medio Rural y Marino (Ministerio de Medioambiente, Medio Rural y Marino) OPAGAC OPAGAC OPAGAC OPAGAC ALBACORA ALBACORA S.A. S.A. AITZUGANA AITZUGANA S.A S.A.
Transcript of Acoustic Select ieo.ppt
SCIENTIFIC COMMITTEESCIENTIFIC COMMITTEEFOURTH REGULAR SESSIONFOURTH REGULAR SESSION
1111--22 August 200822 August 2008Port Moresby, Papua New GuineaPort Moresby, Papua New Guinea
RESEARCH ON ACOUSTIC SELECTIVITY ONRESEARCH ON ACOUSTIC SELECTIVITY ONRESEARCH ON ACOUSTIC SELECTIVITY ONRESEARCH ON ACOUSTIC SELECTIVITY ONFAD ASSOCIATED TROPICAL PURSE SEINE FISHERIESFAD ASSOCIATED TROPICAL PURSE SEINE FISHERIES
WCPFCWCPFC--SC4SC4--FTFT--SWG/WPSWG/WP--22
Instituto Español de Oceanografía Instituto Español de Oceanografía (Ministerio de Ciencia e Innovación(Ministerio de Ciencia e Innovación))
Secretaría General del MarSecretaría General del Mar(Ministerio de Medioambiente, Medio Rural y Marino(Ministerio de Medioambiente, Medio Rural y Marino))
OPAGACOPAGACOPAGACOPAGACALBACORA ALBACORA S.A.S.A.
AITZUGANA AITZUGANA S.AS.A..
ResearchResearch onon AcousticAcoustic SelectivitySelectivity ononyyFAD FAD associatedassociated tropical tropical pursepurse seineseine
fisheriesfisheriesfisheriesfisheriesInstituto Español de Oceanografía Instituto Español de Oceanografía
(Ministerio de Ciencia e Innovación)(Ministerio de Ciencia e Innovación)CENT
RO OCEANOGRÁFICO DE CANARIAS
(Ministerio de Ciencia e Innovación)(Ministerio de Ciencia e Innovación)
Secretaría General del MarSecretaría General del Mar(Ministerio de Medioambiente, Medio Rural y Marino)(Ministerio de Medioambiente, Medio Rural y Marino)
INSTITUTO ESPAÑOL DE OCEANOGRAFÍA 1
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( y )( y )
OPAGACOPAGAC
ALBACORA S AALBACORA S AALBACORA S.A.ALBACORA S.A.
AITZUGANA S.A.AITZUGANA S.A.
Background experienceBackground experienceBackground experienceBackground experiencePolit Action of Experimental Fishing Polit Action of Experimental Fishing RAIRAI--APAP--20042004--07.07.
Western Indian OceanWestern Indian Ocean15 May15 May--15 December 200515 December 20052 purse seine vessel + 2 auxiliar 2 purse seine vessel + 2 auxiliar
vesselvesselvesselvesselAuxiliar vessels for acoustic Auxiliar vessels for acoustic
experimentsexperimentsFew experiments (11) after 6 months Few experiments (11) after 6 months Promising results of the experiments Promising results of the experiments
t d i SC2t d i SC2presented in SC2 presented in SC2 ((WCPFC-SC2-2006/FT WP-8)
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Acoustic Selectivity ProjectAcoustic Selectivity ProjectAcoustic Selectivity ProjectAcoustic Selectivity Project
Planned dates: JanuaryPlanned dates: January -- July 2009July 2009Planned dates: January Planned dates: January July 2009July 2009Ground: East and Central PacificGround: East and Central PacificVessels: Two Spanish flag purse seine vesselsVessels: Two Spanish flag purse seine vesselsVessels: Two Spanish flag purse seine vessels.Vessels: Two Spanish flag purse seine vessels.
Albacora Uno (Albacora S A )Albacora Uno (Albacora S A )--Albacora Uno (Albacora S.A.)Albacora Uno (Albacora S.A.)--Aurora B (Aitzugana S.A.)Aurora B (Aitzugana S.A.)
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Material and MethodsMaterial and MethodsMaterial and MethodsMaterial and Methods
Technical characteristics:Technical characteristics: ALBACORA UNOALBACORA UNOALBACORA UNOALBACORA UNO
LOA: 105 mLOA: 105 m
GT: 3,584
HP : 6,004
Capacity: 1,900 mt
Construction: Astilleros Barreras Vigo SPAIN 1995Barreras, Vigo, SPAIN, 1995.
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Material and MethodsMaterial and MethodsMaterial and MethodsMaterial and Methods
Technical characteristics:Technical characteristics: AURORA BAURORA BAURORA BAURORA B
LOA: 72 58 mLOA: 72,58 m
GT: 2,479
HP : 4,080
Capacity: 1,200 mt
Construction: Astilleros Murueta Vizcaya SPAINMurueta, Vizcaya, SPAIN, 2000.
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DISPLAY
RECEIVERTRANSMITTER
TRANSDUCER
Transmittedpulse
Echo
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Material and MethodsMaterial and MethodsMaterial and MethodsMaterial and Methods
Portable Scientific Echosounder SIMRAD EYPortable Scientific Echosounder SIMRAD EY--60 60 with 70, 120 and 200 Khz transducers.with 70, 120 and 200 Khz transducers.
Multifrequency acousticsMultifrequency acoustics.
Wireless transmition.
Range: 0-15,000 m. Single fish echo down to 1,000 m.
B tt d t ti d tBottom detection: down to 9,000 m.
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Material and MethodsMaterial and MethodsMaterial and MethodsMaterial and MethodsSIMRAD EY60
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Material and MethodsMaterial and MethodsMaterial and MethodsMaterial and Methods
Echosounder SIMRAD ES60 Split BeamEchosounder SIMRAD ES60 Split BeamEchosounder SIMRAD ES60 Split Beam, Echosounder SIMRAD ES60 Split Beam, including 2 GPT 120 KHz 1KW Split Beam including 2 GPT 120 KHz 1KW Split Beam y 2 Transducers Split Beam 120 KHzy 2 Transducers Split Beam 120 KHzy 2 Transducers Split Beam 120 KHzy 2 Transducers Split Beam 120 KHz
Range: 5-15,000 m.
Bottom expansion: 5 to 7,500 m.
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Material and MethodsMaterial and MethodsMaterial and MethodsMaterial and Methods
SIMRAD ES60SIMRAD ES60SIMRAD ES60SIMRAD ES60
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500 m trace of a tuna school concentrated under 500 m trace of a tuna school concentrated under a FAD performed by an auxiliar vessel with a FAD performed by an auxiliar vessel with SIMRAD ES60SIMRAD ES60
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Material and MethodsMaterial and MethodsMaterial and MethodsMaterial and MethodsEchosounder Furuno FCV1000Echosounder Furuno FCV1000
5050--200 Khz200 Khz5050--200 Khz200 Khz
Range: 5-2,000 m g ,(max. Depth 4,000m)
Expansion: 5-200 m
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Material and MethodsMaterial and MethodsMaterial and MethodsMaterial and Methods
Sonar Furuno FSVSonar Furuno FSV--2424Sonar Furuno FSVSonar Furuno FSV 2424
Long Range up toLong Range up to 5,000 m
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Material and MethodsMaterial and MethodsMaterial and MethodsMaterial and Methods
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Material and MethodsMaterial and MethodsMaterial and MethodsMaterial and Methods
Sonar CSHSonar CSH--2121Sonar CSHSonar CSH 2121
M di R 1 600M di R 1 600Medium Range: 1,600mMedium Range: 1,600m
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Material and MethodsMaterial and MethodsMaterial and MethodsMaterial and Methods
Sonar CSHSonar CSH--8080Sonar CSHSonar CSH--8080
Short Range: 800 mShort Range: 800 m
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Material and methodsMaterial and methodsMaterial and methodsMaterial and methods
FAD MONITORING PRIOR TO FISHINGFAD MONITORING PRIOR TO FISHINGFAD MONITORING PRIOR TO FISHINGFAD MONITORING PRIOR TO FISHINGScientific echosounder on board speed boatScientific echosounder on board speed boatFAD monitoring with the speed boat beforeFAD monitoring with the speed boat beforeFAD monitoring with the speed boat before FAD monitoring with the speed boat before setting (1setting (1--2 hours prior to set)2 hours prior to set)Purse seine away from FAD during monitoringPurse seine away from FAD during monitoringPurse seine away from FAD during monitoringPurse seine away from FAD during monitoringJust before setting, school monitoring with Just before setting, school monitoring with equipment on board the purse seine (sonarequipment on board the purse seine (sonarequipment on board the purse seine (sonar equipment on board the purse seine (sonar and echosounder)and echosounder)
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Material and methodsMaterial and methodsMaterial and methodsMaterial and methods
Intensive sampling by set:Intensive sampling by set:Intensive sampling by set:Intensive sampling by set:Species compositionSpecies compositionNumber of fishNumber of fishNumber of fishNumber of fishSize frequencySize frequency
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Acoustic Selectivity ProjectAcoustic Selectivity ProjectAcoustic Selectivity ProjectAcoustic Selectivity ProjectIn principle we will target the areas of In principle we will target the areas of bi t ti d FAD i thbi t ti d FAD i thbigeye concentration under FADs in the bigeye concentration under FADs in the EPOEPO
1 0
0
1 0
- 1 0
- 2 07 08 09 01 0 01 1 01 2 01 3 01 4 01 5 0
BET FAD catches 2000-2006 BET 300t.2121
Acoustic Selectivity ProjectAcoustic Selectivity ProjectAcoustic Selectivity ProjectAcoustic Selectivity Project
Target species of the study:Target species of the study:Target species of the study:Target species of the study:--Thunnus obesusThunnus obesus ––-- Bigeye tuna Bigeye tuna –– BETBETTh lbTh lb R bilR bil Y ll fi tY ll fi t YFTYFT--Thunnus albacares Thunnus albacares –– Rabil Rabil -- Yellowfin tuna Yellowfin tuna ––YFTYFT
--Katsuwonus pelamis Katsuwonus pelamis –– Listado Listado -- Skipjack Skipjack -- SKJSKJ
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ObjectiveObjectiveObjectiveObjective
Obtain the individual echoes toObtain the individual echoes toObtain the individual echoes to Obtain the individual echoes to discriminate by species and sizes of tunas discriminate by species and sizes of tunas under FADsunder FADsunder FADs.under FADs.Being able to determine species, biomass Being able to determine species, biomass and size of tunas concentrated underand size of tunas concentrated underand size of tunas concentrated under and size of tunas concentrated under FADs.FADs.B h i l t d f t d FADB h i l t d f t d FADBehoavioural study of tunas under FADs.Behoavioural study of tunas under FADs.
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