Awardee: Scripps Institution of Oceanography Award Number: ANT 04-44134 Background

The Southern Ocean is the largest oceanic area with a high inventory of inorganic macro-nutrients and relatively low phytoplankton chlorophyll (HNLC; Chisholm and Morel 1991). The paradox of why phytoplankton biomass is generally so low in Antarctic waters during summer challenged researchers for de...

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Bibliographic Details
Main Authors: B. Greg Mitchell, Farooq Azam, Katherine Barbeau, Sarah Gille, Osmund Holm-hansen
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
Subjects:
Antarctic
Southern Ocean
Scripps
Holm-Hansen
Antarc*
Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.490.447
http://www.spg.ucsd.edu/SouthernScotiaSea/Project_Reports/071126_2007_Report_Findings_Text_Figures_FINAL.pdf
Description
Summary:The Southern Ocean is the largest oceanic area with a high inventory of inorganic macro-nutrients and relatively low phytoplankton chlorophyll (HNLC; Chisholm and Morel 1991). The paradox of why phytoplankton biomass is generally so low in Antarctic waters during summer challenged researchers for decades (Hart, 1942; Holm-Hansen, 1985; El-Sayed 1987). Reports of very low Fe concentrations and Fe enrichment experiments (in vitro and in situ) indicate that iron often limits phytoplankton biomass in the Southern Ocean (Martin et al, 1990a;

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