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Title: Openings of the sand bar in the coastal lagoon imboassica (Rio de Janeiro State, Brazil) don’t change the number of commercial fish individuals
Other Titles: Aberturas del cordón de arena de la laguna costera imboassica (estado de Rio de Janeiro, Brazil) no alteran la abundancia de los peces comerciales
Authors: Sánchez-Botero, Jorge Iván
Garcez, Danielle Sequeira
Leitão, Rafael Pereira
Trivério-Cardoso, Victor
Hollanda Carvalho, Pedro
Pellegrini-Caramaschi, Érica
Issue Date: 2016
metadata.dc.publisher.journal: Boletim do Instituto de Pesca
metadata.dc.relation.ispartof: 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.
metadata.dc.identifier.doi: 10.20950/1678-2305.2016v42n3p662
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