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Iron Importance

Scientists at CCE have determined that supply of the trace element iron can limit phytoplankton growth in the southern California Current System, in both surface and subsurface phytoplankton communities. This finding has implications for ecosystem productivity and associated services, including fisheries and carbon sequestration in deep ocean waters.

King, A.L. and K. Barbeau. 2007. Evidence for phytoplankton iron limitation in the southern California current system. Marine Ecology Progress Series 342: 91-104.
Hopkinson, B.M. and K. Barbeau. 2008. Influence of iron limitation on phytoplankton communities in subsurface chlorophyll maxima of the eastern Pacific. Limnology and Oceanography 53: 1303-1318.
King, A. L., and K. A. Barbeau. 2011. Dissolved iron and macronutrient distributions in the southern California Current System. Journal of Geophysical Research -- Oceans, 116, C03018, doi:10.1029/2010JC006324
Katherine Barbeau, Scripps Institution of Oceanography
Sampling trace metal clean seawater for studies of iron biogeochemistry in the California Current Ecosystem LTER site.
Katherine Barbeau
Schematic of the effect of iron supply on phytoplankton growth and spatio-temporal distribution in the southern California study area of the California Current Ecosystem LTER site.
Modified from King and Barbeau (2007)

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