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- Title
High inorganic phosphate concentration in coral mucus and its utilization by heterotrophic bacteria in a Malaysian coral reef.
- Authors
Nakajima, Ryota; Tanaka, Yasuaki; Yoshida, Teruaki; Fujisawa, Tamami; Nakayama, Asami; Fuchinoue, Yumi; Othman, Bin Haji Ross; Toda, Tatsuki
- Abstract
Inorganic nutrient contents of mucus released by Acropora corals and its utilization by heterotrophic bacteria at several different hour intervals in the coral mucus were investigated at a coral reef in Malaysia. The dissolved inorganic phosphate ( DIP) concentration was 135-fold higher than in the ambient seawater, probably due to inorganic P release from the coral gut cavity. We experimentally confirmed that heterotrophic bacteria rapidly (within 8 h) consumed ca. 80% of the initial concentration of DIP derived from coral mucus. High DIP concentration in coral mucus may enhance heterotrophic bacterial production and associated carbon flow in the microbial loop of reef ecosystems.
- Subjects
MALAYSIA; PHOSPHATES analysis; CORAL physiology; MUCUS; HETEROTROPHIC bacteria; CORAL reef ecology; PHYSIOLOGY
- Publication
Marine Ecology, 2015, Vol 36, Issue 3, p835
- ISSN
0173-9565
- Publication type
Article
- DOI
10.1111/maec.12158