Di-nitrogen fixation in a eutrophic tropical bay

Di-nitrogen fixation, measured in situ by the acetylene reduction technique, was shown to be associated with regular summer blooms of Oscillatoria erythraea in Mazatlán bay, a eutrophic tropical embayment on the Pacific Coast of Mexico. The Oscillatoria population density and the rate of di-nitrogen...

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Bibliographic Details
Published inEstuarine, coastal and shelf science Vol. 19; no. 4; pp. 477 - 483
Main Authors Mee, Laurence D., Cortes-Altamirano, Roberto, Garcia-de-la-Parra, Luz-Maria
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.01.1984
Subjects
Marine
Mexico West Coast
nitrogen fixation
nutrients
Oscillatoria erythraea
phytoplankton
tropical regions
phytoplankton
nitrogen fixation
Mexico West Coast
tropical regions
nutrients
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Summary:Di-nitrogen fixation, measured in situ by the acetylene reduction technique, was shown to be associated with regular summer blooms of Oscillatoria erythraea in Mazatlán bay, a eutrophic tropical embayment on the Pacific Coast of Mexico. The Oscillatoria population density and the rate of di-nitrogen fixation per cell were of similar magnitude to those observed by other workers in the oligotrophic Caribbean Sea. Since the non-nitrogen limited fraction ( Oscillatoria) of the total population was generally less than 10% and the nutrient supply to the bay is relatively abundant, di-nitrogen fixation does not appear to play an important role in the eutrophication of the bay.
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ISSN:0272-7714
1096-0015
DOI:10.1016/0272-7714(84)90098-2