Environmental Monitoring and Assessment

, Volume 44, Issue 1–3, pp 53–66 | Cite as

Pomacentrid Population Dynamics on Singapore Coral Reefs

  • Jeffrey K.Y. Low
  • C.B. Leng
  • L.M. Chou
Article
  • 64 Downloads

Abstract

Spatial distribution of the pomacentrids on Singapore reefs was assessed visually, while temporal change was studied within permanent quadrats established on a patch reef between 4 Jul and 30 Nov 1989. Partitioning of space, both horizontally and vertically, on the reef was observed in 15 species. The population of territorial damselfishes on the reef flat was less stable than on the reef slope over time, due to the seasonal occurrence of dense stands of the brown macroalgae, Sargassum. Space was found to be a limiting factor at the reef flat due to the high density of pomacentrids found there. Food resource was the limiting factor on the reef slope, where low light intensity due to sedimentation and lack of suitable substrate inhibited turf algal growth. Multi-specific recruitment of juveniles occurred in April and between mid-October and early November.

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Copyright information

© Kluwer Academic Publishers 1997

Authors and Affiliations

  • Jeffrey K.Y. Low
    • 1
  • C.B. Leng
    • 1
  • L.M. Chou
    • 1
  1. 1.Department of ZoologyNational University of SingaporeSingapore

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