Relevance of new and regenerated nitrogen sources in the water column of magdalena bay (SW baja California Peninsula), Mexico

Rafael Cervantes-Duarte, Silverio López-López, Fernando Aguirre-Bahena, Eduardo González-Rodríguez, Sonia Futema-Jiménez

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

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-a were analyzed in the Bay. During spring-early summer (April-June) seawaters were colder and richer in new nutrients and chlorophyll-a 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.
Original languageAmerican English
Pages (from-to)587-592
Number of pages6
JournalRevista de Biologia Marina y Oceanografia
DOIs
StatePublished - 1 Jan 2012
Externally publishedYes

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