Livros e Publicações
URI permanente para esta coleçãohttps://bdc.icmbio.gov.br/handle/cecav/1487
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16 resultados
Resultados da Pesquisa
Item CAPTURA INCIDENTAL DE TORTUGAS MARINAS POR LAS FLOTAS DE PALANGRE PELÁGICO DE BRASIL Y URUGUAY (1998 - 2010)(2014) GIFFONI, Bruno; LEITE JUNIOR, Nilamon; MILLER, Philip; PONS, Maite; SALES, Gilberto; DOMINGO, AndrésSea turtles are highly migratory species and during their long life cycle they face different threats. One of the biggest threats is the incidental captures by fisheries, thus longline fisheries has been pointed out as a great concern due to the high capture rates. This work summarizes the incidental capture of sea turtles by Brazilian and Uruguayan longline fleet, taking account different aspects to be considered in sea turtles productivity and susceptibility analyses - PSA. The data analyzed were collected by observers of the Programa Nacional de Observadores a Bordo de la Flota Atunera Uruguaya (PNOFA) from Uruguay, and the Programa Nacional de Observadores de Bordo da Frota Pesqueira do Brasil (PROBORDO), Fundação Pró-TAMAR, Instituto ALBATROZ and Núcleo de Educação e Monitoramento Ambiental (NEMA) from Brazil. A total of 25,164.089 hooks were sampled by Brazil and Uruguay between 2008 and 2010. On average, the sampled effort represented 1,5% of total effort applied at the same area by ICCAT CPCs. Loggerhead was the species most captured (n = 6.594), followed by Leatherback (n = 1.379) and Olive ridley (n = 600). All species nest in Brazil. Regarding productivity aspects, the Brazilian population of loggerhead, leatherback and Olive ridley are increasing. For the susceptibility analyses and considering availability, seven different RMUs are being impacted by longline. As regards encounterability, the three turtle species spent most of the time at the same depth range as Brazilian and Uruguayan longline toward to catch swordfish. For selectivity, juveniles of the loggerhead turtle are the most captured, while for Olive ridley and leatherback, sub-adult and adult have been most captured by longline fleet for both countries.Item Anthropogenic threats to the sea turtle populations along the brazilian coast(2011-05) Baptistotte, C.; Lopez, G.; Reith, Denise; Santos, M. R. D.; Boldrin, M. A.; Werneck, M. R.; Becker, H.; Goldberg, D. W.; Stahelin, G. D.; Marcovaldi, M. A.; Píres, T.Post mortem examination is an important tool in sea turtle diseases investigation and its relation to anthropogenic stressors. In order to identify the possible causes of sea turtles strandings, Projeto TAMAR-ICMBio conducts necropsies at its research stations along the brazilian coast. Moreover, TAMAR has developed research agreements through veterinary universities research programs to allow more accurate diagnostics. In this study, we analyze results from 989 necropsies performed at TAMAR Stations in Bahia, Espírito Santo, São Paulo and Santa Catarina States (Figure 1), from January 2009 to May 2011.Item Captura incidental de tortugas marinas por las flotas de palangre pelágico de Brasil y Uruguay (1998 - 2010)(2014) GIFFONI, B.; LEITE JR, N.; MILLER, P.; PONS, M.; SALES, G.; DOMINGO, A.Sea turtles are highly migratory species and during their long life cycle they are face to different threats. One of the biggest threat is the incidental captures by fisheries, thus longline fishery has been pointed out as great concern due to the high captures rates. This work summarize the incidental capture of sea turtles by Brazilian and Uruguayan longline fleet, taking account different aspects to be considered in sea turtles productivity and susceptibility analyses - PSA. The data analyzed were collected by observers of the Programa Nacional de Observadores a Bordo de la Flota Atunera Uruguaya (PNOFA) from Uruguay, and Programa Nacional de Observadores de Bordo da Frota Pesqueira do Brasil (PROBORDO), Fundação Pró-TAMAR, Instituto ALBATROZ and Núcleo de Educação e Monitoramento Ambiental (NEMA) from Brazil. On total 25.164.089 hooks were sampled by Brazil and Uruguay between 2008 and 2010. On average, the sampled effort represented 1,5% of total effort applied at the same area by ICCAT CPCs. Loggerhead was the specie most captured (n =6.594), followed by Leatherback (n = 1.379) and Olive ridley (n = 600). All specie nest in Brazil. Regarding to productivity aspects, the Brazilian population of loggerhead, leatherback and olive ridley are increasing. For the Susceptibility analyses and considering availability, 7 different RMUs are being impacted by longline. Related to encounterability, the 3 turtle species spent the most time at the same depth range as Brazilian and Uruguayan longline toward to catch swordfish. For selectivity, juveniles of the loggerhead turtle are the most captured, while for olive ridley and leatherback, sub-adult and adult have been most captured by longline fleet of both countries.Item Effectiveness and design of marine protected areas for migratory species of conservation concern: A case study of post-nesting hawksbill turtles in Brazil(2021-06-21) SANTOS, Armando J.B; SANTOS, E.A.P; G, Sales; R, Ramos; D.H.G, Vieira; C, Bellini; M.A, Marcovaldi; G, Anthony; N, Wildermman; M, Mills; T, Gandra; M.M.P.B, FuentesMarine protected areas (MPAs) are among the most widely used strategy to protect marine ecosystems and are typically designed to protect specific habitats rather than a single and/or multiple species. To inform the con servation of species of conservation concern there is the need to assess whether existing and proposed MPA designs provide protection to these species. For this, information on species spatial distribution and exposure to threats is necessary. However, this information if often lacking, particularly for mobile migratory species, such as marine turtles. To highlight the importance of this information when designing MPAs and for assessments of their effectiveness, we identified high use areas of post-nesting hawksbill turtles (Eretmochelys imbricata) in Brazil as a case study and assessed the effectiveness of Brazilian MPAs to protect important habitat for this group based on exposure to threats. Most (88%) of high use areas were found to be exposed to threats (78% to artisanal fishery and 76.7% to marine traffic), where 88.1% were not protected by MPAs, for which 86% are exposed to threats. This mismatch is driven by a lack of explicit conservation goals and targets for turtles in MPA management plans, limited spatial information on species' distribution and threats, and a mismatch in the scale of conservation initiatives. To inform future assessments and design of MPAs for species of conservation concern we suggest that managers: clearly state and make their goals and targets tangible, consider ecological scales instead of political boundaries, and use adaptative management as new information become available.Item HOPPER DREDGING(2015) GOLDBERG, D.W; ALMEIDA, D.T; TOGNIN, F.; LOPEZ, G.G; PIZETTA, G.T; JUNIOR, N.O.L; SFORZA, R.Item Effectiveness and design of marine protected areas for migratory species of conservation concern: A case study of post-nesting hawksbill turtles in Brazil(2021-06-21) SANTOS, A.J.B.; BELLINI, C.; SANTOS, E.A.P.; SALES, G.; RAMOS, R.; VIEIRA, D.H.G; MARCOVALDI, M.A.; GILLIS, A.; WILDERMANN, N.; MILLS, M.; GANDRA, T.; FUENTES, M.M.P.B.Marine protected areas (MPAs) are among the most widely used strategy to protect marine ecosystems and are typically designed to protect specific habitats rather than a single and/or multiple species. To inform the conservation of species of conservation concern there is the need to assess whether existing and proposed MPA designs provide protection to these species. For this, information on species spatial distribution and exposure to threats is necessary. However, this information if often lacking, particularly for mobile migratory species, such as marine turtles. To highlight the importance of this information when designing MPAs and for assessments of their effectiveness, we identified high use areas of post-nesting hawksbill turtles (Eretmochelys imbricata) in Brazil as a case study and assessed the effectiveness of Brazilian MPAs to protect important habitat for this group based on exposure to threats. Most (88%) of high use areas were found to be exposed to threats (78% to artisanal fishery and 76.7% to marine traffic), where 88.1% were not protected by MPAs, for which 86% are exposed to threats. This mismatch is driven by a lack of explicit conservation goals and targets for turtles in MPA management plans, limited spatial information on species' distribution and threats, and a mismatch in the scale of conservation initiatives. To inform future assessments and design of MPAs for species of conservation concern we suggest that managers: clearly state and make their goals and targets tangible, consider ecological scales instead of political boundaries, and use adaptative management as new information become available.Item Effectiveness and design of marine protected areas for migratory species of conservation concern: A case study of post-nesting hawksbill turtles in Brazil(Elsevier, 2021-06-21) Armando J.B., Santos; Bellini, C.; Santos, E.A.P.; Sales, G.; Ramos, R.; Vieira, D.H.G.; Marcovaldi, M. A.; Gillisf, Anthony; Wildermann, N.; Millsi, M.; Gandra, T.; Fuentes, M.M.P.B.Marine protected areas (MPAs) are among the most widely used strategy to protect marine ecosystems and are typically designed to protect specific habitats rather than a single and/or multiple species. To inform the con servation of species of conservation concern there is the need to assess whether existing and proposed MPA designs provide protection to these species. For this, information on species spatial distribution and exposure to threats is necessary. However, this information if often lacking, particularly for mobile migratory species, such as marine turtles. To highlight the importance of this information when designing MPAs and for assessments of their effectiveness, we identified high use areas of post-nesting hawksbill turtles (Eretmochelys imbricata) in Brazil as a case study and assessed the effectiveness of Brazilian MPAs to protect important habitat for this group based on exposure to threats. Most (88%) of high use areas were found to be exposed to threats (78% to artisanal fishery and 76.7% to marine traffic), where 88.1% were not protected by MPAs, for which 86% are exposed to threats. This mismatch is driven by a lack of explicit conservation goals and targets for turtles in MPA management plans, limited spatial information on species' distribution and threats, and a mismatch in the scale of conservation initiatives. To inform future assessments and design of MPAs for species of conservation concern we suggest that managers: clearly state and make their goals and targets tangible, consider ecological scales instead of political boundaries, and use adaptative management as new information become available.- SITAMAR:CONNECTING SEA TURTLES INFORMATION TO REACH BETTER CONSERVATION ACTIONS IN BRAZIL(2015-10-20) SANTOS, A. S.; MARCOVALDI, M.A.; LOPEZ, G.G.; WANDERLINDE, J.; TRENTIN, C.; GOLDBERG, D.W.; SILVA, B.M.G.; BECKER, J.H.; GIFFONI, B.; TORRES, D.; THOMÉ, J.C.A.; BAPTISTOTTE, C.; SFORZA, R.; RIETH, D. B.; TOGNIN, F.; LÓPEZ-MENDILAHARSU, M.; MAURUTTO, G.; LARA, P.H.; CASTILHOS, J.C. de; SILVA, C.C. da; MELO, M.T.D.; LIMA, E. H.S.M.; BARSANTE, A.; BELLINI, C.; SALES, G
- Adaptive threat management framework: Integrating people and turtles(Springer Science+Business Media Dordrecht 2015, 2015-09-23) Marcovaldi, Maria Ângela G. dei; Silva, Valéria R. F. da; Mitraud, Sylvia F.; Ferraz, Maria L. C. P.; Lima, Eduardo H. S. M.; Melo, Maria Thereza D.; Santos, Armando J. B.; Silva, Augusto César C. D. da; Castilhos, Jaqueline C. de; Batista, Jamyle A. F.; Lopez, Gustave G.; Tognin, Frederico; Thomé, João Carlos; Baptistotte, Cecília; Silva, Berenice M. Gomes da; Becker, José Henrique; Wanderline, Juçara; Pegas, Fernanda de Vasconcellos; Róstan, Gonzalo; Marcovaldi, Guy Guagni deiIn the 35 years since its inception, the Brazilian National Program for the Conservation of Marine Turtles (TAMAR) has had great success in protecting the five species of sea turtles that occur in Brazil. It has also contributed significantly to worldwide scientific data and knowledge about these species’ biology, such as life cycles and migration patterns. TAMAR’s conservation strategies have always relied on a variety of environmental education and social inclusion (EESI) activities highly adapted to the socioenvironmental evolving contexts of its 25 locations distributed across nine states. Diversity and flexibility are critical to enable timely and effective local responses to existing or potential threats to sea turtles. The intuitive, locally adapted, decentralized, and independent way EESI activities have been carried out have generated positive results in the resolution of specific and evolving local problems through the course of the project. This article brings EESI under the same conceptual framework that underlies its conservation approach by adopting an adaptive threat management framework to organize and qualify its educational and social inclusion interventions according to the main categories of threat addressed by TAMAR.
Item What can we learn from sea turtle strandings?(2016) GOLDBERG, D.W.; PIRES, T.; VELLOSO, R.; BECKER, H.; CASTILHOS, J.C.; WANDERLINDE, J.; LOPEZ, G.G.; MELO, M.T.D.; SANTOS, A.B.; BAPTISTOTTE, C.Stranding datasets may provide important information on sea turtle health, age, size composition, diet, reproductive status, population trends and cause-specific mortality. Additionally, they are also used to infer geographic distribution and abundance or even trends in mortality risk, attributable to anthropogenic threats such as coastal fisheries and pollution. Five species of sea turtle were recorded in 5260 strandings from January 2014 to September 2015, along the Brazilian coast, of which 3903 were Chelonia mydas, 914 were Lepidochelys olivacea, 290 were Caretta caretta, 83 were Eretmochelys imbricata, 4 were Dermochelys coriacea and 66 could not be identified.