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First published online March 22, 2004
Journal of Experimental Biology 207, 1461-1469 (2004)
Published by The Company of Biologists 2004
doi: 10.1242/jeb.00911

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Interactions between zooplankton feeding, photosynthesis and skeletal growth in the scleractinian coral Stylophora pistillata

Fanny Houlbrèque^*, Eric Tambutté, Denis Allemand and Christine Ferrier-Pagès

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

View larger version (13K): [in a new window]   Fig. 1. Protein concentration after (A) 3 weeks of incubation (N=6) and (B) 8 weeks of incubation (N=6); (C) chlorophyll (Chl) concentrations after 3 weeks for starved and fed corals (N=10). Values are means ± S.D. White bars, starved corals (SC); grey bars, fed corals (FC).

View larger version (14K): [in a new window]   Fig. 2. Net photosynthesis (measured as oxygen flux) for starved (white circles) and fed (black circles) corals at various irradiance levels. Values are means ± S.D., N=10.

View larger version (11K): [in a new window]   Fig. 3. Distribution percentage of zooxanthellae in starved and fed coral cells. Values are means ± S.D., N=10.

View larger version (18K): [in a new window]   Fig. 4. Calcification rates measured after (A) 3 weeks and (B) 8 weeks in light and dark. Values are means ± S.D., N=6. Fed corals (black bars); starved corals (white bars).

View larger version (14K): [in a new window]   Fig. 5. Rates of 14C-aspartic acid incorporation after (A) 3 weeks and (B) 8 weeks in light or dark conditions. Values are means ± S.D., N=6. Fed corals (black bars); starved corals (white bars).

View larger version (13K): [in a new window]   Fig. 6. Ratios of the calcification rates (nmol Ca2+ 2 h–1 g–1 skeletal mass) to aspartic acid uptake (%RAV 2 h–1 g–1 skeletal mass) for the microcolonies of Stylophora pistillata maintained for 8 weeks under the two feeding conditions.