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Brandt (1883)

Brandt (1883). Brown “inclusions” are plant-like organisms that live within the cells of the coral!. The life cycle of the zooxanthella (Freudenthal 1962). Corals and zooxanthellae: mutualist symbioses. Sunlight. Photosynthetic products. Coral cell. Host “wastes”.

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Brandt (1883)

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  1. Brandt (1883) Brown “inclusions” are plant-like organisms that live within the cells of the coral!

  2. The life cycle of the zooxanthella (Freudenthal 1962).

  3. Corals and zooxanthellae: mutualist symbioses Sunlight Photosynthetic products Coral cell Host “wastes”

  4. Low external resources (ie NH3 and PO42-) Amino acids Host Zooxanthellae NH4+

  5. Productivity of open ocean ~ 0.01 g C m-2 d-1 Productivity within coral reefs Algal turfs: 280 g C m-2 d-1 Corals: 40 g C m-2 d-1 Benthic microalgae: 363 g C m-2 d-1 (reviewed by Hatcher 1988).

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