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In situ release of coral mucus by Acropora and its influence on the heterotrophic bacteria
Nakajima, R.; Yoshida, T.; Azman, B.A.R.; Zaleha, K.; Othman, B.H.R.; Toda, T. (2009). In situ release of coral mucus by Acropora and its influence on the heterotrophic bacteria. Aquat. Ecol. 43(4): 815-823. https://hdl.handle.net/10.1007/s10452-008-9210-y
In: Aquatic Ecology. Springer: Dordrecht; London; Boston. ISSN 1386-2588; e-ISSN 1573-5125, meer
Peer reviewed article  

Beschikbaar in  Auteurs 

Trefwoord
    Marien
Author keywords
    Degradation; DOC; POC; Nutrients; Acropora nobilis; Acropora formosa

Auteurs  Top 
  • Nakajima, R.
  • Yoshida, T.
  • Azman, B.A.R.
  • Zaleha, K.
  • Othman, B.H.R.
  • Toda, T.

Abstract
    In situ mucus release by Acropora nobilis and degradation of mucus from A. nobilis and Acropora formosa, by heterotrophic bacteria were investigated at Bidong and Tioman Island, Malaysia. Mucus release rate for A. nobilis was on average 38.7 +/- A 35.2 mg C m(-2) h(-1), of which ca. 70% consisted of dissolved organic carbon (DOC) and 30% particulate organic carbon (POC). In the mucus degradation experiment, seawater-mucus mixtures were incubated and compared with control runs for 24 h. Bacterial abundance in the seawater-mucus mixture increased significantly and coincided with a decline in DOC concentration. In controls, bacteria and DOC did not significantly change. The coral mucus had a high content of inorganic phosphate. It is suggested that the coral mucus rich in DOC and phosphate can induce the high bacterial growth.

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