Effect of the artisanal shrimp fishery on the ichthyofauna in the coastal lagoon of Santa María la Reforma, southeastern Gulf of California
The effect of the artisanal shrimp fishery on the fish fauna in the coastal lagoon of Santa María la Reforma, Mexico, was assessed. Twenty-nine stations were sampled monthly for shrimp and fin fish during six months, from December 2001 to May 2002, using small boats fitted with outboard engines and...
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Iniversidad Autónoma de Baja California
2006
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bycatch artisanal fishery length frequency lognormal-based estimator community analysis fauna de acompañamiento pesca artesanal frecuencia de tallas estimador log normal análisis de comunidades |
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bycatch artisanal fishery length frequency lognormal-based estimator community analysis fauna de acompañamiento pesca artesanal frecuencia de tallas estimador log normal análisis de comunidades Amezcua, F Madrid-Vera, J Aguirre-Villaseñor, H Effect of the artisanal shrimp fishery on the ichthyofauna in the coastal lagoon of Santa María la Reforma, southeastern Gulf of California |
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The effect of the artisanal shrimp fishery on the fish fauna in the coastal lagoon of Santa María la Reforma, Mexico, was assessed. Twenty-nine stations were sampled monthly for shrimp and fin fish during six months, from December 2001 to May 2002, using small boats fitted with outboard engines and the three fishing gears employed by shrimp fishermen in the area: small shrimp trawl net, gillnet, and suripera net. Each sampling period lasted five days. In total, 11,368 individuals were caught, comprising 173 fish species. The species best represented in terms of number and biomass included the commercially important species Eucinostomus entomelas, Sphoeroides annulatus, Urotrygon chilensis, and Diapterus peruvianus. The highest abundance and biomass, as determined by boostrapping of the lognormal-based estimator, were caught with the shrimp trawl net. The mean total length of the fish captured was 17.4 cm for the gillnet, 15.8 cm for the shrimp trawl net, and 13.4 cm for the suripera net. The fishing gear that had a greater impact on the fish fauna were the shrimp trawl net and the gillnet, because they caught the greatest number of fish, biomass and diversity, and a large quantity of small individuals. These two fishing gears caught fish fauna from both the bottom and the water column, and showed the lowest fish/shrimp ratio in kilograms. The shrimp trawl net caught a 6:1 ratio, the gillnet a 15:1 ratio, and the suripera net a 1:1 ratio. |
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info:eu-repo/semantics/article |
| author |
Amezcua, F Madrid-Vera, J Aguirre-Villaseñor, H |
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Amezcua, F Madrid-Vera, J Aguirre-Villaseñor, H |
| author_sort |
Amezcua, F |
| title |
Effect of the artisanal shrimp fishery on the ichthyofauna in the coastal lagoon of Santa María la Reforma, southeastern Gulf of California |
| title_short |
Effect of the artisanal shrimp fishery on the ichthyofauna in the coastal lagoon of Santa María la Reforma, southeastern Gulf of California |
| title_full |
Effect of the artisanal shrimp fishery on the ichthyofauna in the coastal lagoon of Santa María la Reforma, southeastern Gulf of California |
| title_fullStr |
Effect of the artisanal shrimp fishery on the ichthyofauna in the coastal lagoon of Santa María la Reforma, southeastern Gulf of California |
| title_full_unstemmed |
Effect of the artisanal shrimp fishery on the ichthyofauna in the coastal lagoon of Santa María la Reforma, southeastern Gulf of California |
| title_sort |
effect of the artisanal shrimp fishery on the ichthyofauna in the coastal lagoon of santa maría la reforma, southeastern gulf of california |
| publisher |
Iniversidad Autónoma de Baja California |
| publishDate |
2006 |
| url |
https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/1025 |
| _version_ |
1792608798326652928 |
| spelling |
repositorioinstitucional-20.500.12930-73832023-05-09T14:30:24Z Effect of the artisanal shrimp fishery on the ichthyofauna in the coastal lagoon of Santa María la Reforma, southeastern Gulf of California Efecto de la pesca artesanal de camarón sobre la ictiofauna en el sistema lagunar de Santa María la Reforma, suroeste del Golfo de California Amezcua, F Madrid-Vera, J Aguirre-Villaseñor, H bycatch artisanal fishery length frequency lognormal-based estimator community analysis fauna de acompañamiento pesca artesanal frecuencia de tallas estimador log normal análisis de comunidades The effect of the artisanal shrimp fishery on the fish fauna in the coastal lagoon of Santa María la Reforma, Mexico, was assessed. Twenty-nine stations were sampled monthly for shrimp and fin fish during six months, from December 2001 to May 2002, using small boats fitted with outboard engines and the three fishing gears employed by shrimp fishermen in the area: small shrimp trawl net, gillnet, and suripera net. Each sampling period lasted five days. In total, 11,368 individuals were caught, comprising 173 fish species. The species best represented in terms of number and biomass included the commercially important species Eucinostomus entomelas, Sphoeroides annulatus, Urotrygon chilensis, and Diapterus peruvianus. The highest abundance and biomass, as determined by boostrapping of the lognormal-based estimator, were caught with the shrimp trawl net. The mean total length of the fish captured was 17.4 cm for the gillnet, 15.8 cm for the shrimp trawl net, and 13.4 cm for the suripera net. The fishing gear that had a greater impact on the fish fauna were the shrimp trawl net and the gillnet, because they caught the greatest number of fish, biomass and diversity, and a large quantity of small individuals. These two fishing gears caught fish fauna from both the bottom and the water column, and showed the lowest fish/shrimp ratio in kilograms. The shrimp trawl net caught a 6:1 ratio, the gillnet a 15:1 ratio, and the suripera net a 1:1 ratio. Se evaluó el impacto de la pesca artesanal de camarón sobre la fauna de peces en el sistema lagunar de Santa María la Reforma. Para ello, se muestrearon diariamente, durante cinco días, 29 estaciones a lo largo del sistema lagunar, con los artes de pesca utilizados en el área de estudio para capturar camarón, que fueron la red de arrastre, la red agallera y la red suripera. Los muestreos fueron mensuales de diciembre de 2001 a mayo de 2002. Se recolectaron un total de 11,368 organismos correspondientes a 173 especies. Las especies más importantes en cuanto a abundancia y biomasa incluyeron organismos de interés comercial tales como Eucinostomus entomelas, Sphoeroides annulatus, Urotrygon chilensis y Diapterus peruvianus. La mayor abundancia y biomasa de organismos, de acuerdo con el bootstrapping del estimador log normal, fue capturada con la red de arrastre. El promedio de la longitud de los peces capturados fue de 17.4 cm para la red agallera, 15.8 cm para la red de arrastre y 13.4 cm para la suripera. Los artes de pesca que presentaron un mayor impacto sobre la comunidad de peces fueron la red de arrastre y la red agallera, ya que estas dos artes capturaron la mayor abundancia, biomasa y diversidad de peces, entre los que se incluyen una gran cantidad de organismos de tallas pequeñas. Estos dos artes capturaron peces del fondo así como de la columna de agua, además fueron las que presentaron la menor proporción en kg pez:camarón; la red de arrastre capturó una proporción de 6:1, la red agallera capturó una proporción de 15:1, mientras que la red suripera capturó una proporción de 1:1. 2006-05-24 2021-06-03T03:55:07Z 2021-06-03T03:55:07Z info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article Artículo Arbitrado https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/1025 10.7773/cm.v32i12.1025 https://hdl.handle.net/20.500.12930/7383 eng https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/1025/928 application/pdf Iniversidad Autónoma de Baja California Ciencias Marinas; Vol. 32 No. 1B (2006); 111-119 Ciencias Marinas; Vol. 32 Núm. 1B (2006); 111-119 2395-9053 0185-3880 |
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