II. Algal Symbiotic Associations 439 III. The Host-Algal Interface 439 IV. Carbon Acquisition, Fixation and Secretion 440 V. Photoacclimation and Photoadaptation 446 447 VI. Coral Bleaching and Photoinhibition References 450 Index 457 xv xvii xviii xix xx Color Plates - Color Plate I . A. Colonies ofthe green volvocalean alga Volvox. Scale bar, 30 Jlffi. B. A thallus ofthe red alga La urencia intrica ta. Scale bar, I em. C. Part of a thallus of the brown alga Sargassum, Scale bar, I cm. D. The cryptomonad Cryptomonas sp. under the light microscope. The several plastids in each cell are readily seen. The two equal Ilagella are not so easily seen under the light microscope. Scale bar, 2Jlffi. Photography by M Ricketts. See Chapter I, p. 4. Anthony W. Larkum, Susan E. Douglas and John A. Raven (eds): Photosynth esis in Algae, pp.CP1- CP.J. © 2003 Kluwer Academic Publishers. Printed in The Netherlands. Color Plates Color Plate 2. Confoc al images of chlorophyll fluorescence in various ehlorophytes. A. Oedogonium (species unknown, local collection); x3,300 . B. Cladophora (specie s unknown, local collect ion); x2,800. C. Spirogyra (species unknown , local collection) x31O. C.( Inset) Spirogyra as in C. at x 3000. D. Klebsormidium fla ccidum (UTEX #LB2017) X2,300. E Nitella translucens (Wasteneys collection) X24000. All scale bars Slim except low magnification ofSpirogyra which is 100 J.1m.Micrographs kindly provided by Brian Gunnin g: for further details and descriptions, see Gunning and Schwartz, 1999. See Chapter 2, p. 17 .