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Situación actual del camarón rosado (Farfantepanaeus notialis) en el Golfo de Guacanayabo, Cuba.
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Date
2015
Metadata
Show full item recordAlternative Title
Current situation of pink shrimp (Farfantepanaeus notialis) in Gulf of Guacanayabo, Cuba.Abstract
Con el propósito de conocer el nivel de biomasa del camarón rosado (Farfantepenaeus notialis) y la variación espacio temporal de la población en la zona de pesca de la Empresa Pesquera de Granma, se analizó la información de los cruceros de prospección mensuales realizados durante los años 2009, 2010 y enero del 2011. La composición por talla muestra medias de 8.7 y 8.5 cm (largo cubano) con tallas máximas de 14.7 y 15.2 cm. En el golfo de Guacanayabo el desove de la especie ocurre durante los meses de marzo a julio. El reclutamiento muestra dos etapas, la primera en enero-febrero y la segunda en agostoseptiembre pudiendo ocurrir adelanto en los meses como se apreció en julio del año 2009. El reclutamiento se manifiesta en la zona oriental del golfo de Guacanayabo desde la Boca del Cauto hasta la ensenada de Gua, incluyendo los cayos de Manzanillo, pudiendo desplazarse al W de la ensenada de Gua. El golfo de Guacanayabo muestra una biomasa del orden de 600 t y los máximos de biomasa durante 2009, 2010 y 2011 se presentan en la Zona III en febrero, abril y enero respectivamente. La biomasa disminuye en la medida en que actúa fundamentalmente la mortalidad natural.Aimed to know the biomass level of pink shrimp (Farfantepenaeus notialis) and the space-time variation of the population in the fishing area of EPIGRAN enterprise, the information of monthly research cruises was analyzed during years 2009, 2010 and 2011 (January). Size composition shows a mean size of 8.7 and 8.5 cm (Cuban length) with maximum sizes of 14.7 and 15.2 in 2009 and 2010 respectively. Taking into account the maxima values of gonadal maturation for areas, the Guacanayabo gulf shows that spawning takes place during the months of March to July. The recruitment confirm two stages during the year, the first one during January-February and the second during August-September, being noted that a recruitment advance may occur as observed in July, 2009. During the studied years, recruitment is mainly observed in the eastern area of Guacanayabo gulf, from the Boca del Cauto until Gua bay, including the Manzanillo keys, and may move to the west of Gua bay. Gulf of Guacanayabo shows a biomass in the order of 600 t, with maxima values during 2009, 2010 and 2011 occurring in the Zone III in February, April and January respectively. A biomass decrease is observed later due mainly as natural mortality takes place.
Journal
El BohíoVolume
5Issue/Article Nr
4Page Range
pp.33-46Collections