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Talla de primera captura y maduración de las hembras del camarón rosado (Farfantepenaeus notialis, Pérez-Farfante & Kensley, 1967) en el golfo de Guacanayabo, Cuba.

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Author
Ventura, Arlen
Giménez, Enrique
Delgado, Gilma
Date
2014

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Alternative Title
Pink shrimp females (Farfantepenaeus notialis, Pérez-Farfante & Kensley, 1967) size at first capture and maturation in the Gulf of Guacanayabo, Cuba.
Abstract
A partir de las clases de tallas de las hembras del camarón rosado (Farfantepenaeus notialis)se estimaron la talla de primera captura (L 50 ), el rango de selección (L 25 y L 75 ) y la talla de primera maduración. Se utilizaron los datos de enero, febrero, mayo, agosto y septiembre de 2011 de los cruceros de prospección en la zona de pesca de la Empresa Pesquera Industrial de Manzanillo (EPIGRAN), en el golfo de Guacanayabo. La talla de primera captura (L 50 ) y rango de selección (L 25 – L 75 ) fueron de L 50 = 8,5 y 2,9 cm respectivamente. Las hembras maduras de menor talla midieron 6,2 cm y la talla de primera maduración (L m50 % ) fue de 9,1 cm siendo la hembra madura de menor talla observada de 6,2 cm. De los meses muestreados el de máxima maduración fue mayo. La talla media de las hembras en la Zona I (8,4 cm) presentó diferencias significativas con 95 % de confianza respecto a las Zonas II (9,2 cm) y III (9,6 cm). Entre las Zonas II y III no se observaron diferencias significativas. La superposición de las curvas de la talla de primera maduración y de primera captura muestra una presión de pesca sobre hembras en estadios previos a la madurez sexual en 62 %.
It was estimated the size at first capture (L 50 ), the selection range (L 25 and L 75 ) and the size at first maturity from size classes of pink shrimp (Farfantepenaeus notialis) females. It was used the data for January, February, May, August and September 2011 survey cruises in the fishing zone of Manzanillo Industrial Fisheries Enterprise (EPIGRAN) in the Guacanayabo Gulf. The size at first capture (L 50 ) and selection range (L 25 –L 75 ) were L 50 = 8,5 and 2,9 cm respectively. Mature females of smaller size measured 6,2 cm and the size at first maturity (L m50% ) went 9,1 cm of length. The maximum maturity was observed on May. The average size of the females in the Zone I (8,4 cm) showed significant differences with 95 % of confidence with the zones II (9,2 cm) and III (9,6 cm). It was not observed significant differences between Zones II and III. The overlapping curves of the first maturity size and first screenshot showed a fishing pressure on 62 % of females in stages prior to sexual maturity.
Journal
Revista Cubana de Investigaciones Pesqueras
Volume
31
Issue/Article Nr
1
Page Range
pp. 5-10
URI
http://hdl.handle.net/1834/9126
Collections
Revista Cubana de Investigaciones Pesqueras

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