Relevancia de fuentes nitrogenadas nuevas y regeneradas en la columna de agua en Bahía Magdalena (SO Península de Baja California), México
2012
Cervantes-Duarte, Rafael(IPN Centro Interdisciplinario de Ciencias Marinas ,Instituto de Investigaciones Marinas (CSIC)) | López-López, Silverio(IPN Centro Interdisciplinario de Ciencias Marinas) | Aguirre-Bahena, Fernando(IPN Centro Interdisciplinario de Ciencias Marinas) | González-Rodríguez, Eduardo(Centro de Investigación Científica y de Educación Superior de Ensenada Unidad La Paz) | Futema-Jiménez, Sonia(IPN Centro Interdisciplinario de Ciencias Marinas)
Six bimonthly surveys during 2007 were carried out in Magdalena Bay (Mexico) during spring tide conditions. Spatiotemporal variations of temperature, salinity, nitrite, nitrate, ammonium, phosphate and chlorophyll-α were analyzed in the Bay. During spring-early summer (April-June) seawaters were colder and richer in new nutrients and chlorophyll-α than autumn and winter (February and October-December). The coastal upwelling during spring-early summer contributes with new nutrients to the Bay, whereas bottom-recycled nutrients should be the main input during the autumn-winter period. Thus, nutrients availability, dissolved inorganic nitrogen and phosphate, promote a seasonal pattern of phytoplankton biomass in Magdalena Bay.
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