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Fish Larvae Response to Biophysical Changes in the Gulf of California, Mexico (Winter-Summer)
Raymundo Avendaño Ibarra
Enrique Godínez Domínguez
Gerardo Aceves Medina
Eduardo González Rodríguez
ARMANDO TRASVIÑA CASTRO
Acceso Abierto
Atribución
http://dx.doi.org/10.1155/2013/176760
Fish Larvae, Biophysical Changes, Gulf Of California, Thermal Fronts
"We analyzed the response of fish larvae assemblages to environmental variables and to physical macro- and mesoscale processes in the Gulf of California, during four oceanographic cruises (winter and summer 2005 and 2007). Physical data of the water column obtained through CTD casts, sea surface temperature, and chlorophyll a satellite imagery were used to detect mesoscale structures. Zooplankton samples were collected with standard Bongo net tows. Fish larvae assemblages responded to latitudinal and coastalocean gradients, related to inflow of water to the gulf, and to biological production. The 19º C and 21º C isotherms during winter, and 29º C and 31º C during summer, limited the distribution of fish larvae at the macroscale. Between types of eddy, the cyclonic (January) registered high abundance, species richness, and zooplankton volume compared to the other anticyclonic (March) and cyclonic (September). Thermal fronts (Big Islands) of January and July affected the species distribution establishing strong differences between sides. At the mesoscale, eddy and fronts coincided with the isotherms mentioned previously, playing an important role in emphasizing the differences among species assemblages. The multivariate analysis indicated that larvae abundance was highly correlated with temperature and salinity and with chlorophyll a and zooplankton volume during winter and summer, respectively."
Hindawi Publishing Corporation
2013
Artículo
Journal of Marine Biology, Vol. 2013, Págs. 1-17
Inglés
Avendaño Ibarra,R.,Godínez Domínguez,E.,Aceves Medina,G.,González Rodríguez,E.,Trasviña,A.2013.Fish Larvae Response to Biophysical Changes in the Gulf of California, Mexico (Winter-Summer).Journal of Marine Biology,2013,1-17. doi:10.1155/2013/176760
OCEANOGRAFÍA
Versión publicada
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Aparece en las colecciones: Artículos - Unidad Foránea Nayarit

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