2005
DOI: 10.4067/s0717-71782005000100003
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Factores que afectan las tasas de captura de langostino amarillo (Cervimunida johni) en la zona norte de Chile

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Cited by 11 publications
(16 citation statements)
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“…The lower biomass of both resources (SUBPESCA, 2003(SUBPESCA, , 2005a(SUBPESCA, , 2005bPérez, 2003Pérez, , 2005Quiroz et al, 2005) was consistent with the increase in average production costs due to the decline in the CPUE (Pérez, 2003(Pérez, , 2005, the need to increase the number of fishing trips, and costs associated with these trips. For example, the catch increased 21% between 1997 and 2000 and the final production increased 24%, whereas the quasi rent of variable costs increased only 11%.…”
Section: Discussionmentioning
confidence: 55%
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“…The lower biomass of both resources (SUBPESCA, 2003(SUBPESCA, , 2005a(SUBPESCA, , 2005bPérez, 2003Pérez, , 2005Quiroz et al, 2005) was consistent with the increase in average production costs due to the decline in the CPUE (Pérez, 2003(Pérez, , 2005, the need to increase the number of fishing trips, and costs associated with these trips. For example, the catch increased 21% between 1997 and 2000 and the final production increased 24%, whereas the quasi rent of variable costs increased only 11%.…”
Section: Discussionmentioning
confidence: 55%
“…At the same time, the nylon shrimp biomass decreased 54% (Pérez, 2005) and the squat lobster biomass decreased 67% (Pérez, 2003). The decrease in biomass, followed by a lower CPUE (SUBPESCA, 2003(SUBPESCA, , 2005a(SUBPESCA, , 2005bPérez 2003Pérez , 2005Quiroz et al, 2005), forced companies to make a greater effort in terms of the number of fishing trips, which caused an important increase in the production costs with the consequent loss of the expected profit. If the fixed costs related to the fleet, processing, and administration are considered, the economic benefits would decrease even more significantly.…”
Section: Discussionmentioning
confidence: 99%
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“…De los efectos analizados, el efecto año y la interacción año-zona resultaron ser significativos, explicando en conjunto el 39% de la devianza. El aporte individual del efecto zona y profundidad fue bajo, en torno al 1%, lo cual ya había sido identificado por Quiroz et al (2005) para esta misma especie en la zona norte del país, a partir de información de pesca comercial. Lo anterior no implica que entre zonas o rangos de profundidad no exista algún patrón que destacar, sino que su alta variabilidad limita una adecuada caracterización en la distribución espacial de la densidad del recurso.…”
Section: Discussionunclassified
“…Lo anterior se debe, por una parte, a que los cruceros fueron realizados principalmente en la misma época del año (segundo semestre) y, por otra, que operaron buques diferentes en cada año. Cabe mencionar que Quiroz et al (2005), en un análisis similar en la región norte de Chile, determinaron para este mismo recurso que los efectos buque y mes resultaron levemente significativos en un MLG similar. Lo anterior, se explicaría por el hecho que la flota es antigua, aunque de similares características tecnológicas (Montenegro & Bucarey, 2008).…”
Section: Definición De Los Estratosunclassified