The fish species composition and variation of catch from the small-scale gillnet fishery before, during and after the 1997-1998 ENSO event, central Mexican Pacific

Rojo Vázquez, J. A.; Quiñonez Velázquez, C.; Echavarria Heras, H. A.; Lucano Ramírez, Gabriela; Godínez Domínguez, Enrique; Ruiz Ramírez, Salvador; Galván Piña, V. H.; Sosa Nishizaki, O.

dc.creator	Rojo Vázquez, J. A.
dc.creator	Quiñonez Velázquez, C.
dc.creator	Echavarria Heras, H. A.
dc.creator	Lucano Ramírez, Gabriela
dc.creator	Godínez Domínguez, Enrique
dc.creator	Ruiz Ramírez, Salvador
dc.creator	Galván Piña, V. H.
dc.creator	Sosa Nishizaki, O.
dc.date	2006-07-06
dc.date.accessioned	2016-05-03T15:36:15Z
dc.date.available	2016-05-03T15:36:15Z
dc.identifier	http://revistas.ucr.ac.cr/index.php/rbt/article/view/5513
dc.identifier	10.15517/rbt.v56i1.5513
dc.identifier.uri	https://hdl.handle.net/10669/27655
dc.description	In the tropical and subtropical coastal zone, were highly diverse fish communities occur, it is important to study the small scale fisheries exploiting these communities. For this study, 219 fishing days were carried out in Bahia de Navidad, Jalisco, Mexico. Four gillnets with different mesh sizes (76.2, 88.9, 101.6 and 114.3 mm) were used for the fishing operations, from April 1994 to March 1995 and from January 1998 to December 2000. A total of 26126 organisms weighting 11680 kg were caught. One hundred and eighty three species belonging to 57 families and 19 orders were identified. Ten species accumulated more than 60% of the total abundance and biomass, the remaining species (173) individually contributed with less than 2% of the total abundance and biomass. The most important species in the catch were Microlepidotus brevipinnis, Caranx caballus, Haemulon flaviguttatum, Scomberomorus sierra, C. caninus, C. sexfasciatus, Lutjanus guttatus and L. argentiventris. The catch per unit of effort showed a large var5287 mónica, biologíaiation during the study, both in number and biomass. On average, 110 fishes and 48.5 kg fishing day-1 were caught. The maximum values were recorded during January and October 1998 (250 fishes and 100 kg fishing day-1), and the minimum values were recorded during September and November 1994 (25 org. and 10 kg fishing day-1). The total abundance and biomass was lower during the 1994-95 period (F=6.16, 8.32, P < 0.05). There were statistically significant differences among the annual catch from each gillnet. All the environmental changes caused by the ENSO event had ecological and economic effects that can be rated from moderate to severe.
dc.format	application/pdf
dc.language	eng
dc.publisher	Universidad de Costa Rica
dc.rights	Copyright (c) 2014 International Journal of Tropical Biology and Conservation
dc.source	Revista de Biología Tropical/International Journal of Tropical Biology and Conservation; Vol. 56 (1) March 2008
dc.source	Revista de Biología Tropical/International Journal of Tropical Biology and Conservation; Vol. 56 (1) March 2008
dc.source	Revista Biología Tropical; Vol. 56 (1) March 2008
dc.source	2215-2075
dc.source	0034-7744
dc.source	10.15517/rbt.v56i1
dc.title	The fish species composition and variation of catch from the small-scale gillnet fishery before, during and after the 1997-1998 ENSO event, central Mexican Pacific
dc.title	The fish species composition and variation of catch from the small-scale gillnet fishery before, during and after the 1997-1998 ENSO event, central Mexican Pacific
dc.type	artículo original
dc.coverage	CRC

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