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Título: | Openings of the sand bar in the coastal lagoon imboassica (Rio de Janeiro State, Brazil) don’t change the number of commercial fish individuals |
Título(s) alternativo(s): | Aberturas del cordón de arena de la laguna costera imboassica (estado de Rio de Janeiro, Brazil) no alteran la abundancia de los peces comerciales |
Autor: | Sánchez-Botero, Jorge Iván Garcez, Danielle Sequeira Leitão, Rafael Pereira Trivério-Cardoso, Victor Hollanda Carvalho, Pedro Pellegrini-Caramaschi, Érica |
Data do documento: | 2016 |
Revista: | Boletim do Instituto de Pesca |
É parte de: | Volume 42, Número 3, Pags. 662-673 |
Abstract: | The coastal lagoon Imboassica (Rio de Janeiro State) had from 1993 to 2004 four openings of the sand bar that separates it from the ocean. During this period, 28 samples of fish fauna occurred; 55.6% with commercial value classified in functional guilds as: residents of coastal lagoons (RLC), marine dependent (MD), marine visitors (VM) and from freshwater (D). The catch per unit effort CPUE from the fish species with commercial value during the periods before and after the openings was availed according to exposure time and area of the gill nets. It was observed a growing trend of the individuals VM, RCL and MD with commercial interest during the periods after the openings of the sand bar. When the sand bar remained closed for at least three years, it was observed an increase on the abundance of freshwater fish, as a reduction on other guilds (VM, RCL and MD). The fish production in Imboassica lagoon is considered low and varies in function of the opening and closing of the sand bar. © 2016, Instytut Technologii Drewna. All rights reserved. |
DOI: | 10.20950/1678-2305.2016v42n3p662 |
Aparece nas coleções: | Artigos |
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