The role of ammonium and nitrate in spring bloom development in San Francisco Bay

The substantial inventory of nitrate (NO 3) in San Francisco Bay (SFB) is unavailable to the resident phytoplankton most of the year due to the presence of ammonium (NH 4) at inhibitory concentrations that prevents NO 3 uptake. Low annual primary productivity in this turbid estuary is generally attr...

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Veröffentlicht in:	Estuarine, coastal and shelf science coastal and shelf science, 2007-06, Vol.73 (1), p.17-29
Hauptverfasser:	Dugdale, Richard C., Wilkerson, Frances P., Hogue, Victoria E., Marchi, Albert
Format:	Artikel
Sprache:	eng
Schlagworte:	ammonium Animal and plant ecology Animal, plant and microbial ecology Biological and medical sciences Brackish Brackish water ecosystems California estuary Fundamental and applied biological sciences. Psychology nitrate phytoplankton San Francisco Bay Sea water ecosystems Synecology
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Beschreibung
Zusammenfassung:	The substantial inventory of nitrate (NO 3) in San Francisco Bay (SFB) is unavailable to the resident phytoplankton most of the year due to the presence of ammonium (NH 4) at inhibitory concentrations that prevents NO 3 uptake. Low annual primary productivity in this turbid estuary is generally attributed to the poor irradiance conditions. However, this may not be the only cause; spring phytoplankton blooms occur irregularly in north SFB only when NH 4 concentrations are low,
ISSN:	0272-7714 1096-0015
DOI:	10.1016/j.ecss.2006.12.008