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dc.contributor.authorMeñez, Marie Antonette J.
dc.contributor.editorKawamura, Hajime
dc.contributor.editorIwata, Tsuyoshi
dc.contributor.editorTheparoonrat, Yuttana
dc.contributor.editorManajit, Nopporn
dc.contributor.editorSulit, Virgilia T.
dc.date.accessioned2018-11-17T14:59:00Z
dc.date.available2018-11-17T14:59:00Z
dc.date.issued2016
dc.identifier.citationMeñez, M. A. J. (2016). Approaches in rebuilding sea urchin and sea cucumber populations in the Philippines. In H. Kawamura, T. Iwata, Y. Theparoonrat, N. Manajit, & V. T. Sulit (Eds.), Consolidating the Strategies for Fishery Resources Enhancement in Southeast Asia. Proceedings of the Symposium on Strategy for Fisheries Resources Enhancement in the Southeast Asian Region, Pattaya, Thailand, 27-30 July 2015 (pp. 161-164). Samutprakan, Thailand: Training Department, Southeast Asian Fisheries Development Center.en
dc.identifier.isbn9786163581600
dc.identifier.urihttp://hdl.handle.net/20.500.12067/714
dc.description.abstractSea urchins and sea cucumbers are among the most valuable and overexploited fishery resources. Culture and release of juvenile Tripneustes gratilla and Holothuria scabra have been undertaken to rebuild depleted populations and provide a supplemental source of income for fishers. In both cases an integrated socioecological approach was used. Studies on factors affecting growth and survival of released juveniles were conducted alongside active participation of local partners in site management and regular monitoring. For T. gratilla, community-based grow-out in sea cages complemented with restocking of protected areas helped in the recovery of a collapsed fishery. Gonad biomass and quality of sea urchins fed with Sargassum were high. These increased the value of the gonads and reproductive output of cultured sea urchins. In the case of H. scabra, release of juveniles in a communal sea ranch resulted in the build-up in density and biomass. Observations of regular mass spawning in the sea ranch established that a viable spawning population was maintained through selective harvesting. Both the sea urchin cage grow-out culture and sea cucumber sea ranch function as reproductive reserves and source of larval supply to adjacent suitable habitats. In addition, wild recruits in the sea ranch and in the vicinity of the sea urchin sea cages indicate that natural recruitment may be enhanced by the high density of conspecific adults. These models have demonstrated that both ecological and economic benefits can be realized through of responsible culture-based management interventions. The development of appropriate governance mechanisms is a critical consideration for sustainability.en
dc.language.isoenen
dc.publisherTraining Department, Southeast Asian Fisheries Development Centeren
dc.subjectPhilippinesen
dc.subjectSouth East Asiaen
dc.subjectSargassum
dc.subjectTripneustes gratilla
dc.subjectEchinoidea
dc.subjectHolothuria scabra
dc.subjectHolothurioidea
dc.subjectcagesen
dc.titleApproaches in Rebuilding Sea Urchin and Sea Cucumber Populations in the Philippinesen
dc.typeConference paperen
dc.citation.spage161
dc.citation.epage164
dc.subject.asfaresource managementen
dc.subject.asfaSociological aspectsen
dc.subject.asfamarine invertebratesen
dc.subject.asfapopulation densityen
dc.subject.asfasurvivalen
dc.subject.asfafish larvaeen
dc.subject.asfafishery resourcesen
dc.subject.asfagrowthen
dc.subject.asfafishery managementen
dc.subject.asfaprotected areasen
dc.subject.asfaSeaweedsen
dc.subject.asfajuvenilesen
dc.subject.asfafeedingen
dc.subject.asfastocking (organisms)en
dc.subject.asfafeedsen
dc.subject.asfaresource conservationen
dc.subject.asfaspawning populationsen
dc.subject.asfarecruitmenten
dc.subject.asfastock assessmenten
dc.subject.asfalarvaeen
dc.subject.asfaHabitaten
dc.subject.asfabiomassen
dc.subject.asfasustainabilityen
dc.subject.asfadepleted stocksen
dc.subject.asfacage cultureen
dc.subject.asfastocksen
dc.subject.asfagonadsen
dc.subject.asfareproductionen
dc.citation.conferenceTitleConsolidating the Strategies for Fishery Resources Enhancement in Southeast Asia. Proceedings of the Symposium on Strategy for Fisheries Resources Enhancement in the Southeast Asian Region, Pattaya, Thailand, 27-30 July 2015en


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