Análisis de la distribucion vertical de la abundancia de larvas de peces pelágicos menores en el Golfo de California mediante videocámaras submarinas

Autores/as

  • G. Aceves-Medina
  • C. J. Robinson
  • R. Palomares-Garcí­a
  • J. Gómez-Gutierrez

DOI:

https://doi.org/10.37543/oceanides.v24i2.62

Palabras clave:

Distribución vertical, videocámaras submarinas, Pequeños peces pelágicos, Engraulis mordax, Etrumeo redondo, sardinops sagax

Resumen

Se utilizaron dos tipos de videocámaras submarinas para estudiar la distribución y abundancia vertical de larvas de los peces pelágicos menores Engraulis mordax, Etrumeus teres y Sardinops sagax a 1 m de resolución, en una localidad en el norte del Golfo
de California con condiciones de calma y alta
densidad de sardinas adultas. La mayor abundancia promedio (900 larvas m -1 min -1) se encontró inmediatamente arriba de la termoclina (33 m) y la picnoclina (36 m), aparentemente no asociada al máximo de clorofila detectado en superficie, ni a la mayor densidad de peces adultos (10 -20 m). Las observaciones con video permitieron determinar la distribución vertical a una resolución imposible de obtener mediante muestreos con redes; sin embargo, esta es una técnica poco útil en zonas con elevada velocidad de las corrientes.

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Citas

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Publicado

2009-12-04

Cómo citar

Aceves-Medina, G., Robinson, C. J., Palomares-Garcí­a, R., & Gómez-Gutierrez, J. (2009). Análisis de la distribucion vertical de la abundancia de larvas de peces pelágicos menores en el Golfo de California mediante videocámaras submarinas. CICIMAR Oceánides, 24(2), 153–159. https://doi.org/10.37543/oceanides.v24i2.62

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