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Bathymetric trends of northeastern Brazilian snappers (Pisces, Lutjanidae): implications for the reef fishery dynamic BABT
Frédou,Thierry; Ferreira,Beatrice Padovani.
The investigation of bathymetric distribution of five snappers caught along the Brazilian Northeastern coast by artisanal fleets through the analysis of the catch composition and relative abundance (CPUE) showed that, on the overall, fished mean size increased along depth and that particular species dominated the catch according to the depth strata. Mutton snapper, L. analis, yellowtail snapper, L. chrysurus, and dog snapper, L. jocu were mainly caught at intermediate depth (20-80m) whereas lane snapper, L. synagris, and silk snapper, L. vivanus, inhabit respectively shallow (<20m) and deep (>80 m) waters. Each fleet category exploited preferentially a particular combination of species and their size range. The fleet dynamic of the Northeast Brazil...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Fish distribution; Technological interaction; Artisanal fishery; Lutjanids; Reefs.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132005000600015
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Multidisciplinary approach to identification of fishery production systems on the northern coast of Brazil Biota Neotropica
Bentes,Bianca; Isaac,Victoria Judith; Espírito-Santo,Roberto Vilhena do; Frédou,Thierry; Almeida,Morgana Carvalho de; Mourão,Keila Renata Moreira; Frédou,Flávia Lucena.
Artisanal fishing on the northern coast of Brazil is characterized by a set of different fishery modalities. Using a multidisciplinary approach, 20 fishery production systems were identified, with distinct characteristics regarding technology and purpose. The characteristics of each system were classified into five dimensions (ecological, economic, social, technological and political). Multidimensional scaling revealed that some of these 20 systems have greater similarities. Thus, a total of 10 groups were identified.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Production systems; Fisheries; Northern Brazil; Fishery attributes.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032012000100006
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Population structure and reproductive biology of Haemulopsis corvinaeformis (Perciformes, Haemulidae) in the south coast of Pernambuco, northeastern Brazil Iheringia, Sér. Zool.
Eduardo,Leandro N.; Lira,Alex S.; Frédou,Thierry; Frédou,Flavia Lucena.
ABSTRACT: Roughneck Grunt (Haemulopsis corvinaeformis Steindachner, 1868) is the second most important species caught as bycatch of the shrimp fishery in Pernambuco, Northeastern Brazil. However, the population dynamic of this species is poorly known in the region. The aim of this study was to describe aspects of the population structure and reproductive biology of the H. corvinaeformis, providing important information for the development of sustainable management practices. Specimens were collected monthly from August 2011 to July 2012 and quarterly from October 2012 to June 2014. A total of 1,140 individuals was collected; 340 males (29.8%), 391 females (34.3%), and 409 were immature and could not be sexed (35.9%). Total length ranged from 7 to 25 cm. In...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dynamic population; Gonadosomatic index; Isometric growth.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212018000100207
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