Articles | Volume 12, issue 11
Biogeosciences, 12, 3567–3577, 2015
https://doi.org/10.5194/bg-12-3567-2015
Biogeosciences, 12, 3567–3577, 2015
https://doi.org/10.5194/bg-12-3567-2015

Research article 10 Jun 2015

Research article | 10 Jun 2015

Photosynthesis–irradiance responses in the Ross Sea, Antarctica: a meta-analysis

W. O. Smith Jr. and K. Donaldson

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Cited articles

Arrigo, K. R., Worthen, D. L., and Robinson, D. H.: A coupled ocean-ecosystem model of the Ross Sea: 2. Iron regulation of phytoplankton taxonomic variability and primary production, J. Geophys. Res., 108, https://doi.org/10.1029/2001JC000856, 2003.
Arrigo, K. R., van Dijken, G. L., and Bushinsky, S.: Primary production in the Southern Ocean, 1997–2006, J. Geophys. Res., 113, C08004, https://doi.org/10.1029/2007JC004551, 2008.
Arrigo, K. R., Mills, M. M., Kropuenske, L. R., van Dijken, G. L., Alderkamp, A.-C., and Robinson, D. H.: Photophysiology in two major Southern Ocean phytoplankton taxa: photosynthesis and growth of Phaeocystis antarctica and Fragilariopsis cylindrus under different irradiance levels, Integr. Comp. Biol., 50, 950–966, 2010.
Behrenfeld, M. J. and Falkowski, P. G.: Photosynthetic rates derived from satellite-based chlorophyll concentrations, Limnol. Oceanogr., 42, 1–20, 1997.
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A compilation of photosynthesis-irradiance measurements from the Ross Sea, Antarctica, was analyzed for spatial and temporal trends, as well as the oceanographic factors that control the responses. The maximum, chlorophyll-specific, irradiance-saturated rate averaged 1.07+/-0.060 ug C per ug Chl per hour. Spring rates were 59% greater than summer rates. Irradiance, CO2, and iron had significant effects on rates. The effects of time need to be incorporated into models of Antarctic production.
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