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Famille de Mussidae: 1. Mise en évidence des relations symbiontes-coraux chez les genres Mycetophyllia et Mussa
Stiévenart, J. (1975). Famille de Mussidae: 1. Mise en évidence des relations symbiontes-coraux chez les genres Mycetophyllia et Mussa . Ann. Soc. R. Zool. Bel. 105(3-4): 229-253
In: Annales de la Société Royale Zoologique de Belgique = Annalen van de Koninklijke Belgische Vereniging voor Dierkunde. Société Royale Zoologique de Belgique: Bruxelles. ISSN 0771-5528, more
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Keywords
    Agaricia grahamae Wells, 1973 [WoRMS]; Mussidae Ortmann, 1890 [WoRMS]; Mycetophyllia Milne Edwards & Haime, 1848 [WoRMS]; Marine

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  • Stiévenart, J.

Abstract
    In order to find a relation between algae and coral species, numbers of algae extracted from the soft parts and variations in concentration of their photosynthetic pigments are investigated. Averages of symbiotic algae/cm2 decrease as depth increases but their number shows fluctuations in each species of coral. Ratio of carotenoids/chlorophyl a seems uniform but chlorophyl c/ chlorophyl a decreases slowly with depth. This later relation is reversed in Agaricia grahamae (45 m). Average of pigments (chl. a and carot.) per cells of algae varies sufficiently between 9 and 30 m to distinguish two ecological populations in M. lamarckiana. Results/cm2/depth allows recognition of an ecological adjustement of symbiotic algae for each coral species. Ecological adaptation of coral symbionts is demonstrated by this method.

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