Resumen del producto

Fish larvae assemblages’ distribution has been referred in many times as an indicator of environmental variability that can be related with both, anthropogenic influence and natural causes. During El Niño 1997-1998 conditions, fish larvae assemblages in the southern portion of the California Current off the Baja California Peninsula, showed similar characteristics to those observed in the area during previous El Niño events: "rare" tropical species larvae were detected in the area as a result of an increase in their northern distribution associated with heating conditions of the environment; an increase in the number of coastal and tropical-subtropical species larvae, and a decrease in the larval abundance of temperate species was also observed. Also, a peculiar fish larvae group integrated mainly by Synodus lucioceps and other coastal species fish larvae, was formed in this and previous warming events, and is already identified as an El Niño conditions indicator.

Palabras clave: Fish larvae; valoración económica; antibacteriana; California Current

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