Colony architecture of Millepora dichotoma Forskal

R. Vago, Y. Achituv, L. Vaky, Z. Dubinsky, Z. Kizner

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

In the Gulf of Elat, the hydrozoan coral, Millepora dichotoma Forskal exhibits four main morphotypes; encrusting, delicate lace-like, leaf-like bladed and robust 'box-work'. The distribution of these morphotypes was found to vary with depth and between locations. The encrusting form was found in all sites and appeared to be the initial growth form adopted by M. dichotoma. The distribution of the other three growth forms suggested that further development from the encrusting form depends upon environmental conditions. The encrusting form was found at all sites but was dominant in highly energetic environments. The lace-like form develops from the encrusting form in low energy environments. In somewhat higher energy environments, repeated damage to the lace-like form moves development towards the bladed growth form and the box-work growth form. A model of this development is presented in which critical factors controlling the development of the different growth forms are sediment levels and damage to colonies. Both of these factors are linked with levels of turbulence in particular environments.

Original languageEnglish
Pages (from-to)225-235
Number of pages11
JournalJournal of Experimental Marine Biology and Ecology
Volume224
Issue number2
DOIs
StatePublished - 30 Jun 1998

Bibliographical note

Funding Information:
This research was supported by grants from the United States–Israel Bi-national Science Foundation (89-00444) and from the Nature Reserve Authority, Israel. We thank the staff of the Interuniversity Institute of Elat for assistance throughout this work. We thank Dr. D. Barnes for his advice and critical reading of the manuscript. We thank Mrs. M. Achituv and Mr. S. Clark for their help with preparation of the drawings.

Funding

This research was supported by grants from the United States–Israel Bi-national Science Foundation (89-00444) and from the Nature Reserve Authority, Israel. We thank the staff of the Interuniversity Institute of Elat for assistance throughout this work. We thank Dr. D. Barnes for his advice and critical reading of the manuscript. We thank Mrs. M. Achituv and Mr. S. Clark for their help with preparation of the drawings.

FundersFunder number
Nature Reserve Authority, Israel
United States–Israel Bi-National Science Foundation89-00444

    Keywords

    • Architectural development
    • Breakage
    • Depth distribution
    • Millepora dichotoma
    • Morphotype
    • Sedimentation
    • Turbulence

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