Results 111 to 120 of about 1,287 (160)
Modelagem da dinâmica populacional e social de Sotalia guianensis (Cetacea: Delphinidae) [PDF]
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas, Programa de Pós-Graduação em Ecologia, Florianópolis, 2011Sistemas complexos têm fascinado cientistas com sua auto-organização e propriedades emergentes. Este
Magnani, Mauricio Neves Cantor
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We present results of the first simultaneous visual and acoustic surveys for Amazon River dolphins (Inia geoffrensis) and tucuxi (Sotalia fluviatilis), undertaken in Yarinacocha Lagoon, Ucayali, Peru (length = 20 km, area = 12 km2).
Godley, B.J. +3 more
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During 1442 h of visual observations over 7 years throughout the World Heritage listed Paranagua estuarine complex, Brazil, seven occurrences of interactions were observed at a single location involving breaching Manta birostris displacing schools of ...
Domit, C. +2 more
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RESUMO O catálogo de fotoidentificação da população de boto-cinza, Sotalia fluviatilis, da Baía de Sepetiba vem sendo formado desde 1994. São apresentados os dados preliminares do período entre abril de 1994 a junho de 1998, os quais indicam haver ...
SHEILA MARINO SIMÃO +3 more
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FISHERY ACTIVITY IMPACT ON THE SOTALIA POPULATIONS FROM THE AMAZON MOUTH
This chapter describes and analyzes the bycatch of Sotalia guianensis, in gillnets by an artisan fishing fleet within the Amazonian estuary during two time periods: 1996-1997 and 1999-2001. Number, size and gender data, as well as dolphin specimens were obtained from fishermen at Brazilian ports and analyzed. Fishing capacity and effort were determined
Beltran-Pedreros, Sandra +3 more
openaire +1 more source
Modelación de nicho y aspectos biogeográfícos del género Sotalia (Cetartiodactyla: Delphinidae) en los ríos Amazonas y Orinoco, Colombia [PDF]
El género Sotalia (Cetartiodactyla: Delphinidae) esta compuesto de dos especies, basados en morfología craneal y evidencia genética. La primera Sotalia fluviatilis (continental) corresponde a individuos distribuidos en la cuenca del río Amazonas y ...
Mantilla Meluk, Hugo +4 more
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Cetacean diversity on the Parnaiba Delta, Maranhão state, northeastern Brazil
The increase in the research of cetacean surveys on the Brazilian coast has brought new data on the distribution of species never reported before. The present work reviews the current knowledge on cetaceans species and extends this knowledge with an ...
FA. Magalhães +4 more
doaj +1 more source
Analysis of whistles produced by the Tucuxi Dolphin Sotalia fluviatilis from Sepetiba Bay, Brazil
From July 2001 to June 2002, we recorded a total of 2h55min of Tucuxi Dolphin Sotalia fluviatilis vocalizations from Sepetiba Bay, Brazil (22º35'S-44º03'W).
Erber Claudia, Simão Sheila M.
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Morfologia da coluna vertebral do botocinza, Sotalia guianensis (Cetacea, Delphinidae)
Apresenta-se uma descrição da morfologia da coluna do boto-cinza (Sotalia guianenis) (n=34), bem como variações da fórmula vertebral (n=32) (UFSC - Universidade Federal de Santa catarina): Ce 7 , T12 , 1-10_12, Ca23_25 -= 52-56.
Daniela de Castro Fettuccia +1 more
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Genetic characterization of the South American coastal and riverine dolphins Sotalia
Full text is available to authenticated members of The University of Auckland only.Dolphins of the genus Sotalia are some of the least studied cetaceans.
Caballero Gaitan, Susana
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