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dc.contributor.authorPrimavera, Jurgenne
dc.contributor.editorQuinitio, Emilia T.
dc.contributor.editorParado-Estepa, Fe Dolores
dc.contributor.editorColoso, Relicardo M.
dc.date.accessioned2017-08-25T08:48:17Z
dc.date.accessioned2017-08-25T16:36:35Z
dc.date.available2017-08-25T08:48:17Z
dc.date.available2017-08-25T16:36:35Z
dc.date.issued2017
dc.identifier.citationPrimavera, J. H. (2017). Mangroves as mud crab habitats. In E. T. Quinitio, F. D. Parado-Estepa, & R. M. Coloso (Eds.), Philippines : In the forefront of the mud crab industry development : proceedings of the 1st National Mud Crab Congress, 16-18 November 2015, Iloilo City, Philippines (pp. 99-103). Tigbauan, Iloilo, Philippines: Aquaculture Department, Southeast Asian Fisheries Development Center.en
dc.identifier.isbn9789719931072
dc.identifier.urihttp://hdl.handle.net/10862/3162
dc.description.abstractThe paper reports the use of mangroves by Scylla species both as wild and culture habitats. Based on published literature, natural mangrove crab populations are described in terms of population density, dispersal and movement within and outside mangroves, crab burrows and associated mangrove species. Strategies for Scylla conservation depend on the kind of mangrove habitat - (mangrove) restoration for open fringing mangroves where crab recruitment and abundance are determined by habitat availability vs stock enhancement in closed basin mangroves with restricted recruitment and limited movement of crabs. Mangrove crabs are also reared in monoculture in mangrove cages and pens, or in polyculture with milkfish in extensive ponds (where mangroves used to thrive). The paper describes a SEAFDEC Aquaculture Department study to evaluate the effects of mud crab net pen systems on mangrove macroflora, and the replacement of dietary trash fish with low-cost pellets. Results showed that incomplete, low-cost pellets can replace fish biomass requirement in mud crab diets, but that crab presence resulted in fewer mangrove seedlings and saplings. Economic analysis showed the viability of crab culture in mangrove pens using a combination of fish biomass and pellets to reduce the requirement for (low-value) fish, which is a food item of poor coastal communities.en
dc.language.isoenen
dc.publisherAquaculture Department, Southeast Asian Fisheries Development Centeren
dc.subjectScyllaen
dc.subjectPhilippinesen
dc.titleMangroves as mud crab habitatsen
dc.typeConference paperen
dc.citation.spage99
dc.citation.epage103
dc.citation.conferenceTitlePhilippines : In the forefront of the mud crab industry development : proceedings of the 1st National Mud Crab Congress, 16-18 November 2015, Iloilo City, Philippinesen
dc.subject.asfaaquaculture economicsen
dc.subject.asfaaquaculture techniquesen
dc.subject.asfaassociated speciesen
dc.subject.asfacage cultureen
dc.subject.asfacrab cultureen
dc.subject.asfaculture effectsen
dc.subject.asfafeedsen
dc.subject.asfafeedingen
dc.subject.asfahabitat improvement (biological)en
dc.subject.asfahabitatsen
dc.subject.asfamangrove swampsen
dc.subject.asfamangrovesen
dc.subject.asfamarine crustaceansen
dc.subject.asfamonocultureen
dc.subject.asfapolyculture (aquaculture)en
dc.subject.asfapopulation densityen
dc.subject.asfapopulation dynamicsen
dc.subject.asfaresource conservationen
dc.subject.asfaseedlingsen
dc.subject.asfastocking (organisms)en
dc.subject.asfastocksen


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