Distributions of pigments in reef sediments, contribution of phytoplankton to organic matter budget in coral reef

DOI: 10.4236/ns.2011.35046   PDF   HTML     5,323 Downloads   9,663 Views  


The temporal distributions of pigment on bio-genic calcareous and terrigenic reef sediments, chlorophyll a, chlorophyll b, chlorophyll c, fuco- xanthin, and porphine concentrations were mea- sured monthly in two sediment columns (0 - 15 cm) for one year. Pigment concentrations in-creased significantly during winter (Novem-ber-April) in both sediment types particularly in the upper layers of the sediments. Phytoplankton contributions to organic matter were found to be 8 ± 3 and 6 ± 2% in calcareous and terrigenous sediments respectively. The accumulation and the successive degradation of phytoplankton detritus to inorganic nutrients in calcareous sand may partly sustain the productivity of the coral reef communities which live in nutrient-poor environments.

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Rasheed, M. , Al-Najjar, T. and Damhoureyeh, S. (2011) Distributions of pigments in reef sediments, contribution of phytoplankton to organic matter budget in coral reef. Natural Science, 3, 344-350. doi: 10.4236/ns.2011.35046.

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The authors declare no conflicts of interest.


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