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Resumen del producto
Jiménez Rosenberg, S.P.A., R.J., Saldierna Martínez & A.T., Hinojosa Medina
(2008).
What fish larvae can tell us about La Niña conditions (1999-2001) in the southern portion of the California Current?.
CalCOFI Conference 2008.
San Diego, California, USA, Estados Unidos de América, noviembre 17 - 19, 2008.
What fish larvae can tell us about La Niña conditions (1999-2001) in the southern portion of the California Current?
Sylvia Patricia Adelheid Jiménez Rosenberg, Ricardo Javier Saldierna Martínez y Alejandro Trinidad Hinojosa Medina
Fish larvae assemblages are useful biological indicators in the Eastern Tropical Pacific for La Niña conditions. During 1999-2001 La Niña conditions, recurrent fish larvae assemblages were recorded in the southern portion of the California Current, off Baja California Peninsula. During the first semester of 1999 fish larvae species composition, distribution and abundance indicated cooling conditions in the environment, similar to those observed during past La Niña conditions, with an emphasis in the high larval abundances of coastal pelagic species, in the presence of "rare" sub arctic fish larvae species and in the wide southern distribution of fish larvae species related to the California Current. Fish larvae assemblages of cold years 2000 and 2001 were more subtle indicators than those of 1999, and than the physical evidence indicating the presence of La Niña event.
Palabras clave: Fish larvae; valoración económica; La Niña; California Current
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