In situ release of coral mucus by Acropora and its influence on the heterotrophic bacteria

Ryota Nakajima, Teruaki Yoshida, Azman Abdul Rahim, Kassim Zaleha, Bin Haji Ross Othman, Tatsuki Toda

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

Insitu 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±35. 2mg 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 24h. 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.

Original languageEnglish
Pages (from-to)815-823
Number of pages9
JournalAquatic Ecology
Volume43
Issue number4
DOIs
Publication statusPublished - Dec 2009

Fingerprint

Acropora
mucus
corals
coral
bacterium
bacteria
dissolved organic carbon
seawater
phosphates
phosphate (inorganic)
degradation
in situ
particulate organic carbon
Malaysia
microbial growth
phosphate

Keywords

  • Acropora formosa
  • Acropora nobilis
  • Degradation
  • DOC
  • Nutrients
  • POC

ASJC Scopus subject areas

  • Aquatic Science
  • Ecology, Evolution, Behavior and Systematics

Cite this

In situ release of coral mucus by Acropora and its influence on the heterotrophic bacteria. / Nakajima, Ryota; Yoshida, Teruaki; Abdul Rahim, Azman; Zaleha, Kassim; Othman, Bin Haji Ross; Toda, Tatsuki.

In: Aquatic Ecology, Vol. 43, No. 4, 12.2009, p. 815-823.

Research output: Contribution to journalArticle

Nakajima, Ryota ; Yoshida, Teruaki ; Abdul Rahim, Azman ; Zaleha, Kassim ; Othman, Bin Haji Ross ; Toda, Tatsuki. / In situ release of coral mucus by Acropora and its influence on the heterotrophic bacteria. In: Aquatic Ecology. 2009 ; Vol. 43, No. 4. pp. 815-823.
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