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Freitas, Ana Cristina; Kinas, Paul Gerhard; Martins, Cristiane Cavalcante Albuquerque; Coitinho, Márcia Helena Engel
(2004)
Abundance estimates are presented for the humpback whales wintering off Brazil which ‘visit’ a surveyed area off Abrolhos Bank and display fluke-exposing behaviour. The study is based on photo-identification data collected ...
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Martins, Cristiane Cavalcante Albuquerque; Morete, Maria Emilia; Coitinho, Márcia Helena Engel; Freitas, Ana Cristina; Secchi, Eduardo Resende; Kinas, Paul Gerhard
(2001)
The Abrolhos Bank (off the State of Bahia, northeastern Brazil) is the most important breeding and calving ground for humpback whales, Megaptera novaeangliae, in the western South Atlantic. The area is shallow with a mean ...
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Kinas, Paul Gerhard; Andrade, Humber Agrelli
(2007)
Bayesian statistical analysis has become an important tool in modern fisheries sciences. We assert that this success is due to the ease in which uncertainty can be explicitly incorporated in inference and decision making. ...
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Andrade, Humber Agrelli; Kinas, Paul Gerhard
(2007)
Usually fishery managers do not have complete information on the questions they are supposed to evaluate, hence they have to make decisions taking risks because of the underlying uncertainty. We used decision theory and a ...
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Nobrega, Marcelo Francisco de; Kinas, Paul Gerhard; Ferrandis, Eduardo; Lessa, Rosangela Paula Teixeira
(2009)
Spatial and temporal distribution of the yellowtail snapper Ocyurus chrysurus (Bloch, 1791) (Teleostei, Lutjanidae) caught by the artisanal fleet in northeastern Brazil. Fish sampling activities were carried out between ...
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Secchi, Eduardo Resende; Dalla Rosa, Luciano; Kinas, Paul Gerhard; Santos, Marcos César de Oliveira; Zerbini, Alexandre Novaes; Bassoi, Manuela; Moreno, Ignacio Benites
(2001)
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Klaich, Matias Javier; Kinas, Paul Gerhard; Pedraza, Susana; Coscarella, Mariano; Crespo, Enrique
(2011)
In animal behaviour studies, association indices estimate the proportion of time two individuals (i.e. a dyad) spend in association. In terms of dyads, all association indices can be interpreted as estimators of the ...
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Andrade, Humber Agrelli; Kinas, Paul Gerhard
(2004)
Converting length frequencies into age frequencies is an important component of a fisheries assessment. In this paper we use a length frequency analysis (LFA) to estimate birthdates after converting length data into ...
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Secchi, Eduardo Resende; Ott, Paulo Henrique; Crespo, Enrique; Kinas, Paul Gerhard; Pedraza, Susana; Bordino, Pablo
(2001)
The franciscana, Pontoporia blainvillei, is endemic to the western South Atlantic Ocean and is perhaps one of the most threatened small cetacean species in this region. This paper presents a first abundance estimate for ...
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Kinas, Paul Gerhard; Silva, Kleber Grübel da; Estima, Sérgio; Monteiro, Danielle da Silveira
(2005)
Monthly strandings of South American sea lions, Otaria flavescens, and South American fur seals, Arctocephalus australis collected between 1993 and 2002 along the coastline of Rio Grande do Sul, Brazil, are analysed with ...
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Andrade, Humber Agrelli; Kinas, Paul Gerhard
(2003)
Growth models are an important component in the study of population biology and are generally required in fishery assessment. This paper is concerned with the fit of Schnute’s general growth model to an age-length key of ...
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Andriolo, Artur; Kinas, Paul Gerhard; Coitinho, Márcia Helena Engel; Martins, Cristiane Cavalcante Albuquerque; Rufino, Anne
(2010)
The potential impact of increasing vessel traffic and coastal development has led to concerns regarding the future of the Brazilian humpback whale Megaptera novaeangliae population. Our objective was to monitor humpback ...
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Secchi, Eduardo Resende; Kinas, Paul Gerhard; Muelbert, Monica Mathias Costa
(2004)
Bycatch of franciscanas in fishing operations along the western South Atlantic Ocean has been observed for approximately 60 years. Reports on bycatch in shark gillnet fisheries off Uruguay date back to the early 1940s. A ...
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Dalla Rosa, Luciano; Secchi, Eduardo Resende; Kinas, Paul Gerhard; Santos, Marcos César de Oliveira; Martins, Marcio; Zerbini, Alexandre Novaes; Bethlem, Cláudia
(2001)
During three Summer seasons (1997/98-1999/00), photographic sampling of humpback whales was conducted by Projeto Baleia/Brazilian Antartic Programme in Waters of the Antartic Peninsula. Whales photographed totalled: 63 ...
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Reisser, Júlia Wiener; Proietti, Maíra Carneiro; Kinas, Paul Gerhard; Sazima, Ivan
(2008)
Recognition of individual sea turtles is mostly achieved by checking artificial tags previously attached to them, a method which is made difficult by the considerable tag loss rate and which requires repeated manipulation ...
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Spenassato, Débora; Kinas, Paul Gerhard
(2009)
Este artigo tem por objetivo apresentar uma simulação da estimativa dos parâmetros das habilidades de indivíduos sujeitos a um teste, utilizando o método da Teoria da Resposta ao Item (TRI). Para isso, foi feito uma análise ...
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Kinas, Paul Gerhard
(2002)
The franciscana dolphin, Pontoporia blainvillei, is endemic to the western South Atlantic Ocean. Its distribution is restricted to waters up to 30 m depth, making it vulnerable to human influence. In southern Brazil the ...
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Kinas, Paul Gerhard; Neves, Juarenze Cardoso
(2003)
O entendimento de conceitos de inferência estatística clássica como distribuição amostral e intervalos de confiança pode ser facilitado e ampliado recorrendo-se a estudos simulados. Apresenta-se um exemplo fictício em que ...
