Catch composition in the fishery for tunas and tuna-likes on aggregated schools in the western equatorial atlantic
DOI:
https://doi.org/10.20950/1678-2305.2016v42n4p866Keywords:
Fish Aggregating Devices (FADs), Landings, Catch-per-unit-effort (CPUE), Target specie, By-catchAbstract
The present study aims to characterize the catch composition of the fishery for tunas in associated schools in the western equatorial Atlantic. For this purpose, a total of 109 landings on Areia Branca- RN, were observed, from June 2010 to May 2013, as well as on board in nine fishing cruises, from February 2011 to December 2012. The monitored fleet consisted of 9 boats, with an average length overall of 13.4 m. Landings amounted 691,533 kg (6,344.3 ± 292.7 kg), with a predominance of bigeye and yellowfin tunas, and other bycatch species, such as dolphinfish, blue marlin, skipjack tuna, wahoo, and rainbow runner. Occasionally, other species such as swordfish and triggerfish were also observed.
References
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SIEGEL, S.; CASTELLAN-Jr, N.J. 1988. Nonparametric statistics for the behavioral sciences. McGraw-Hill International Editions, Statistics Series, 2ª Edição, New York. 399p.
SILVA, G. B.; AZEVEDO, D. V. D.; CHAVES, D. C. B.; FONTELES-FILHO, A. A. 2012.Preliminary results on the catch composition in small-scale tuna fisheries associated to an offshore buoy in the western equatorial Atlantic. Collective Volume of Scientific Papers ICCAT, 68:1002-1005.
SILVA, G. B.; CHAVES, D. C. B.; FONTELES-FILHO, A. A. 2013. Aspectos econômicos da pesca de atuns e afins associada a uma boia oceí¢nica no Atlí¢ntico Oeste Equatorial. Boletim do Instituto de Pesca de São Paulo, 9 (1):85-91.
la Martinique. Proceedings of Gulf and Caribbean Fisheries Institute, 50(1):249-261.
TAQUET, M.; REYNAL, L.; LAURANS, M.; LAGIN, A. 2000. Blackfin tuna (Thunnus atlanticus) fishing around FADs in Martinique (French West Indies). Aquatic Living Resource, 13(1):259âˆ"™262.
ARIZ, J.; DELGADO, A.; FONTENEAU, A.; COSTAS, F. G.; PALARRÉS, P. 1993. Log and tunas in the Eastern Tropical Atlantic í A review of present knowledges and uncertainties. Collective Volume of Scientific Papers ICCAT, 40(2):421-446.
BANNERMAN, P. O.; BARD, F. X. 2002.Investigating the effects of recent changes in fishing methods on the true rate of juveniles of bigeye and yellowfin in the landings of Tema baitboats and purse seiners. Collective Volume of Scientific Papers ICCAT, 54(1):57-67.
BUCKLEY, R. M.; ITANO, D. G.; BUCKLEY, T. W. 1989.Fish Aggregating Device (FAD) enhancement of offshore fisheries in American Samoa. Bulletin of Marine Science, 44(2):942-949.
COLLETTE, B. B.; NAUEN, C. E. 1983.FAO Species catalogue, vol. 2, Scombrids of the world: an annotated and illustrated catalogue of tunas mackerels, bonitos and related species known to date. FAO Fisheries Synopsis, 125(2):1-137.
DEMPSTER, T. 2004.Biology of fish associated with moored fish aggregation devices (FADs): implications for the development of a FAD fishery in New South Wales, Australia. Fisheries Research, 68(1):189í 201.
DÉSUMONT, A.; CHAPMAN, L. 2000. The use of anchored FAD’s in the area served by the Secreteriat of the Pacific Community (SPC): regional synthesis. In: LE GALL, J.Y.; CAYRE, P. ; TAQUET, M. Pêche thonií¨re et dispositifs de concentration de poissons. Caraibe-Martinique, 15-19/out./1999. IRD, Montpellier. p.108-140.
DORAY, M.; REYNAL, L. 2003.Catch per trip variability analysis related to several fishing effort components in the small-scale, large pelagic fishery in Martinique (FWI): an attempt to define more accurate fishing effort units function of the different types of fish "aggregatorsâ€Â. Proceedings of the Gulf and Caribbean Fisheries Institute, 54:41-59.
FRIEDLANDER, A. 1992.A comparison of the fishing methods associated with Fish Aggregating Devices (FADs) off Puerto Rico. Proceedings of the Gulf and Caribbean Fisheries Institute, 42(1):233-246.
FONTELES-FILHO, A. A. 1994. A pesca predatória de lagostas no Estado do Ceará: causas e consequências. Boletim Técnico Científico do CEPENE, Rio Formoso, 2(1):107-132.
FONTENEAU, A.; ARIZ, J. ; GAERTNER, D.; NORDSTRON, V. PALLARÉS, P. 2000. Observed changes in the species composition of tuna schools in the Gulf of Guinea between 1981 e 1999, in relation to Fish Aggregating Device fishery. Aquatic Living Resources, 13:253-257.
HAZIN, F. H. V.; BROADHURST, M. K.; HAZIN, H. G. 2000.Preliminary analysis of feasibility of transferring new longline technology to small artisanal vessels off Northeastern Brazil. Marine Fisheries Review, 62(1):27-34.
ITANO, D. G.; HOLLAND, K. 2000. Movement and vulnerability of bigeye (Thunnus obesus) and yellowfin (Thunnus albacares) tuna in relation to FADs and natural aggregation points. Aquatic Living Resources, 13:213-223.
ITANO D.; FUKOFUKA S. 2005. Handbook for the identification of yellowfin and bigeye tunas in fresh, but less than ideal condition. Information Paper FT-IP-1. 1st meeting of the Scientific Committee of the Western and Central Pacific Fisheries Commission, Noumea, New Caledonia, 8í 19 August 2005.
KAKUMA, S. 2000. Current, catch and weight composition of yellowfin tuna with FADs off Okinawa Island, Japan..In: Le Gall, J.Y., Cayré, P., Taquet, M. (Eds). Pêche thonií¨re et dispositifs de concentration de poissons, Actes Colloq, Caraibe-Martinique, 15-19 Octubre, IRD, Montpellier, p.492-501.
LESSA, R.; NÓBREGA, M. F.; BEZERRA-Jr, J. L. (Orgs). 2004. Diní¢mica de Populações e Avaliação de Estoques dos Recursos Pesqueiros da Região Nordeste. Volume II. Programa de Avaliação do Potencial dos Recursos da Zona Econômica Exclusiva í REVIZEE, Score NE, Recife. 245p.
LIMA, J. H. M.; LIN, C. F.; MENEZES, A. A. S. 2000. As pescarias brasileiras de bonito-listrado com vara e isca-viva, no Sudeste e Sul do Brasil, no período de 1980 a 1998. Boletim Técnico Científico do CEPENE, Tamandaré, 8(1):7-99.
MATSUMOTO, T.; MIYABE, N. 2002. Preliminary report on the maturity and spawning of bigeye tuna Thunnus obesus in the Central Atlantic Ocean. Collective Volume of Scientific Papers ICCAT, 54(1): 246-260.
MIYAKE, M.; GUILLOTREAU, P.; SUN, C. H.; ISHIMURA, G. 2010. Recent developments in the tuna industry: stocks, fisheries, management, processing, trade and markets. FAO Fisheries and Aquaculture Technical Paper, n. 543. Rome, FAO, 125p.
PRADO, J. 2002. A world review of the fishing techniques used in association with fish aggregating devices in small-scale fisheries and potential interest for the Lesser Antilles countries. In: ROBERT, L.; National Reports and Technical Papers Presented at the First Meeting of the WECAFC ad Hoc Working Group on the Development of Sustainable Moored Fish-aggregating Device Fishing in the Lesser Antilles. Martinique, 8-11 October 2001. FAO Fisheries Report. No. 683, supplement. Rome. p.121-144.
R CORE TEAM. R: A language and environment for statistical computing.R Foundation for Statistical Computing, Vienna, Austria.<http://www.R-project.org/>Acessoem: Maio. 2013.
SANTOS, J. A. T.; ANDRADE, H. A. A pesca da albacora-lage (Thunnus albacares) realizada pela frota brasileira de vara e isca-viva no sudoeste do Oceano Atlí¢ntico. Notas Técnicas da FACIMAR, 8(1): 95-105. 2004.
SCHROEDER, F. A.; CASTELLO, J. P. 2007. "Cardume associadoâ€Â: nova modalidade de pesca de atuns no Sul do Brasil í descrição e comparação. Pan-American Journal of Aquatic Sciences, 2(1):66-74.
SCOTT, P. C. 1985.Fish aggregating buoys in Brazil. ICLARM Newsletter(April), 11.
SECRETARIA ESPECIAL DE AQUICULTURA E PESCA (SEAP). 2005. Instrução Normativa nº 12/2005. Diário Oficial da União, Brasília, Secção 1, p.3, 15 de Julho de 2005.
SHARP, M. 2011.The benefits of fish aggregating devices in the Pacific.SPC Fisheries Newsletter, Secretariat of the Pacific Community,135:28í 36.
SIEGEL, S.; CASTELLAN-Jr, N.J. 1988. Nonparametric statistics for the behavioral sciences. McGraw-Hill International Editions, Statistics Series, 2ª Edição, New York. 399p.
SILVA, G. B.; AZEVEDO, D. V. D.; CHAVES, D. C. B.; FONTELES-FILHO, A. A. 2012.Preliminary results on the catch composition in small-scale tuna fisheries associated to an offshore buoy in the western equatorial Atlantic. Collective Volume of Scientific Papers ICCAT, 68:1002-1005.
SILVA, G. B.; CHAVES, D. C. B.; FONTELES-FILHO, A. A. 2013. Aspectos econômicos da pesca de atuns e afins associada a uma boia oceí¢nica no Atlí¢ntico Oeste Equatorial. Boletim do Instituto de Pesca de São Paulo, 9 (1):85-91.
la Martinique. Proceedings of Gulf and Caribbean Fisheries Institute, 50(1):249-261.
TAQUET, M.; REYNAL, L.; LAURANS, M.; LAGIN, A. 2000. Blackfin tuna (Thunnus atlanticus) fishing around FADs in Martinique (French West Indies). Aquatic Living Resource, 13(1):259âˆ"™262.
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2016-12-30
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