Abstract

Chlorophyll a and accessory chlorophyll concentrations of the phytoplankton community were studied in Admiralty Bay in early and late summer of 2009/2010 and 2010/2011, using spectrofluorometry. Chlorophyll a biomass increased from early to late summer and was higher in 2010/2011 than in 2009/2010. The ratios of accessory pigments to Chlorophyll a showed a greater presence of chlorophytes relative to chromophytes in 2009/2010 than in 2010/2011 summer. The variations observed in chlorophyll biomass and accessory pigments to Chlorophyll a ratios was associated to increase in water temperature during austral summer.

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