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Effects of Moderate Heat Stress and Dissolved Inorganic Carbon Concentration on Photosynthesis and Respiration of Symbiodinium Sp (Dinophyceae) in Culture and in Symbiosis

Buxton, Lucy; Badger, Murray; Ralph, Peter J


The influence of temperature and inorganic carbon (Ci) concentration on photosynthesis was examined in whole corals and samples of cultured symbiotic dinoflagellates (Symbiodinium sp.) using combined measurements from a membrane inlet mass spectrometer and chl a fluorometer. In whole corals, O2 production at 26°C was significantly limited at Ci concentrations below ambient seawater (∼2.2 mM). Further additions of Ci up to ∼10 mM caused no further stimulation of oxygenic photosynthesis....[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: Journal of Phycology
DOI: 10.1111/j.1529-8817.2009.00659.x


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