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First published online August 17, 2006
Journal of Experimental Biology 209, 3413-3419 (2006)
Published by The Company of Biologists 2006
doi: 10.1242/jeb.02382
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Study of calcification during a daily cycle of the coral Stylophora pistillata: implications for `light-enhanced calcification'

Aurélie Moya, Sylvie Tambutté*, Eric Tambutté, Didier Zoccola, Natacha Caminiti and Denis Allemand

Centre Scientifique de Monaco, Avenue Saint-Martin, MC-98000 Principality of Monaco


Figure 1
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  		Fig. 1. Effect of light intensity on calcification rates of Stylophora pistillata microcolonies. Values are mean ± s.e.m., N=3.

 

Figure 2
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  		Fig. 2. Daily calcification rates of Stylophora pistillata microcolonies under controlled conditions of light intensity: 12 h:12 h light:dark; light intensity = 175 µmol photons m-2s-1, dark intensity = 0 µmol photons m-2s-1. Values are mean ± s.e.m., N=6.

 

Figure 3
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  		Fig. 3. Daily photosynthetic rates of S. pistillata over a 12 h period of constant light intensity (175 µmol photons m-2s-1). Values are mean ± s.e.m., N=3.

 

Figure 4
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  		Fig. 4. Free-running experiment showing calcification rates of S. pistillata over prolonged exposure to (A) dark or (B) constant light conditions (175 µmol photons m-2s-1). Values are mean ± s.e.m., N=3.

 

Figure 5
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  		Fig. 5. Transitions between dark and light conditions using a cumulative kinetic isotopic approach: (A) from dark to light and (B) from light to dark conditions. Light = 175 µmol photons m-2s-1. Values are mean ± s.e.m., N=3.

 




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