Production of some benthic communities at Carrie Bow Cay, Belize ( Thalassia testudinum).

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Thalassia testudinum beds were autotrophic, yielding a daily net production of 2.22-42.3 mg O2 per m2 (equivalent to 0.67-12.7 g C per m2). The other habitats (mixed algae on coral rubble and coral sand) were heterotrophic despite considerable microalgal development, with a P/R ratio less than unity. Contribution by the phytoplankton was negligible. Diurnal oxygen flux in open waters over Thalassia beds was typical for similar tropical areas.-from Author

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The Atlantic barrier reef ecosystem at Carrie Bow Cay, Belize, I: structure and communities

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