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

Translated title of the contribution: 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 journalArticlepeer-review

5 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.

Translated title of the contributionRelevance of new and regenerated nitrogen sources in the water column of magdalena bay (SW baja California Peninsula), Mexico
Original languageEnglish
Pages (from-to)587-592
Number of pages6
JournalRevista de Biologia Marina y Oceanografia
Volume47
Issue number3
DOIs
StatePublished - Dec 2012
Externally publishedYes

Keywords

  • Chlorophyll-a
  • Coastal upwelling
  • New nutrient
  • Regenerated nutrient

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