Reproducción del camarón carabalí Trachypenaeus byrdi (Burkenroad, 1934) en la parte interna del Golfo de Nicoya, Costa Rica
Fecha
2016-01
Autores
Hernández Noguera, Luis
Soto Rojas, Rosa Lidia
Canales Ramírez, Cristian
Título de la revista
ISSN de la revista
Título del volumen
Editor
Universidad Nacional (Costa Rica)
Resumen
El grupo de camarón blanco (Litopenaeus sp.) es uno de los recursos de mayor importancia socioeconómica en el Golfo de Nicoya. Sin embargo, en los últimos años, el camarón carabalí (Trachypenaeus byrdi) ha experimentado una alta presión pesquera, debido a su valor en el mercado
local. Por ende, en este estudio, se analizaron las muestras recolectadas del camarón carabalí (T. byrdi) en la zona interna de este Golfo durante 15 meses, entre los años 2008 y 2009, para conocer algunos de los aspectos biológicos y la dinámica poblacional de este recurso. Se comprobó que T. byrdi se distribuye en los fondos lodosos de la parte interna de este Golfo, cercana a la zona costera, y en profundidades no mayores de 15 metros. Los parámetros poblacionales muestran que la talla media de madurez para las hembras es de 87 mm de LT. Se determinaron dos periodos máximos de reproducción en los meses de marzo-abril y en los meses de julio-setiembre. Los parámetros de crecimiento estimados para las hembras fueron: Loo= 112.6 mm, K= 1.29 año-1, to= -0.084 y Woo= 18.68 g; mientras que para los machos fueron: Loo= 88.2 mm, K= 1.26 año-1 y to = -0.094.
The white shrimp (Litopenaeus sp.) is among the most socioeconomically important resources in the Gulf of Nicoya. However, in the last years, the carabalí shrimp (Trachypenaeus byrdi) has become a species of high local commercial value. Therefore, samples of the carabalí shrimp (T. byrdi) collected in the inner section of the Gulf for 15 months between 2008 and 2009 were analyzed in the present study in order toascertain the biology and population dynamics of this resource. It was confirmed that T. byrdi is found mainly on muddy bottoms located in the inner part of the Gulf, close to the coastal area at depths no greater than 15 m. Population parameters show that female average size at maturity is 87 mm TL (Total Lenght). Two main reproduction periods were identified: March-April and July September. Estimated growth parameters were Loo= 112.6 mm, K= 1.29 yr-1, to = -0.084 and Woo= 18.68 g for females and Loo= 88.2 mm, K= 1.26 yr-1 and to = -0.094 for males.
The white shrimp (Litopenaeus sp.) is among the most socioeconomically important resources in the Gulf of Nicoya. However, in the last years, the carabalí shrimp (Trachypenaeus byrdi) has become a species of high local commercial value. Therefore, samples of the carabalí shrimp (T. byrdi) collected in the inner section of the Gulf for 15 months between 2008 and 2009 were analyzed in the present study in order toascertain the biology and population dynamics of this resource. It was confirmed that T. byrdi is found mainly on muddy bottoms located in the inner part of the Gulf, close to the coastal area at depths no greater than 15 m. Population parameters show that female average size at maturity is 87 mm TL (Total Lenght). Two main reproduction periods were identified: March-April and July September. Estimated growth parameters were Loo= 112.6 mm, K= 1.29 yr-1, to = -0.084 and Woo= 18.68 g for females and Loo= 88.2 mm, K= 1.26 yr-1 and to = -0.094 for males.
Descripción
Palabras clave
CAMARÓN DE MAR, REPRODUCCIÓN ANIMAL, GOLFO DE NICOYA (COSTA RICA), TRACHYPENAEUS BYRDI, SHRIMP, COMERCIALIZACIÓN, ANIMAL REPRODUCTION