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The occurrence, distribution and abundance of larval stages of tunas in Ragay Gulf, Burias Pass, Ticao Pass and waters north of Samar Sea

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dc.contributor.authorAbuso, Zenaida V.
dc.contributor.chairAprieto, Virginia L.
dc.contributor.committeememberConlu, Prudencia V.
dc.contributor.committeememberArce, Flerida M.
dc.contributor.committeememberMatias, Anselmo P.
dc.coverage.spatialRagay Gulf, Burias Passen
dc.coverage.spatialTicao Passen
dc.coverage.spatialSamar Seaen
dc.date.accessioned2023-04-26T08:45:52Z
dc.date.available2023-04-26T08:45:52Z
dc.date.issued1988-03
dc.description.abstractA total of 146 tuna larvae representing a 0.004% share in the total fish larvae catch was collected from Ragay Gulf, Burias Pass, Ticao Pass and waters north of Samar Sea during the sampling period from November 1981 to December 1982. Seven species of tunas were identified and described to species level. <i>Euthynnus affinis.</i> and <i>Thunnus obesus.</i> comprised a highest relative abundance of 24.05% in the larval tuna collection. <i>Auxis thazard</i> and <i>A. rochei</i> were secondly abundant with 16.0% and 14.0% share, respectively. <i>Thunnus albacares, Thunnus alalunga</i> and <i>Katsuwonus pelamis</i> were relatively rare with only 5, 4 and 2,0% share, respectively. The highest abundance of the larvae were observed mainly irr Ragay Gulf in May where warmer temperatures ranging from 26.56°C to 28.9T°C and salinity values from 33.97°/oo to 34.42°/oo prevailed.en
dc.format.extentxii, 118 leaves : illustrations; mapsen
dc.identifier.citationAbuso, Z, V. (1988). <i>The occurrence, distribution and abundance of larval stages of tunas in Ragay Gulf, Burias Pass, Ticao Pass and waters north of Samar Sea</i> [Master's thesis, University of the Philippines Visayas] UPV Institutional Repository. https://hdl.handle.net/20.500.14583/80en
dc.identifier.urihttps://hdl.handle.net/20.500.14583/80
dc.language.isoenen
dc.publisherUniversity of the Philippines Visayasen
dc.subjectTunasen
dc.subjecttunaen
dc.subjecttuna larvaeen
dc.subjectRagay Gulfen
dc.subjectSamar Seaen
dc.subjectEuthynnus affinisen
dc.subjectThunnus obesusen
dc.subjectAuxis thazarden
dc.subjectA. rocheien
dc.subjectThunnus albacaresen
dc.subjectThunnus alalungaen
dc.subjectKatsuwonus pelamisen
dc.subject.agrovoctunaen
dc.subject.agrovoctuna fisheriesen
dc.subject.asfatuna larvaeen
dc.subject.asfatuna fisheriesen
dc.subject.lccLG 995 1988 F5 A2en
dc.subject.lcshTuna--Larvaeen
dc.subject.lcshTunaen
dc.subject.scientificnameEuthynnus affinisen
dc.subject.scientificnameThunnus obesusen
dc.subject.scientificnameAuxis thazarden
dc.subject.scientificnameA. rocheien
dc.subject.scientificnameThunnus albacaresen
dc.subject.scientificnameThunnus alalungaen
dc.subject.scientificnameKatsuwonus pelamisen
dc.subject.sdgSDG 14 - Life below water
dc.subject.sdgSDG 11 - Sustainable cities and communities
dc.titleThe occurrence, distribution and abundance of larval stages of tunas in Ragay Gulf, Burias Pass, Ticao Pass and waters north of Samar Seaen
dc.typeThesisen
thesis.degree.grantorCollege of Fisheries, University of the Philippines in the Visayasen
thesis.degree.levelMastersen
thesis.degree.nameMaster of Science in Fisheries (Fisheries Biology)en

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