G.B. Jones

School of Environmental Science & Management, Southern Cross University, Lismore NSW 2480

A. J. Reichelt-Brushett

Centre for Coastal Management, Southern Cross University, Lismore, NSW 2480.
Department of Chemistry, James Cook University, Townsville, Queensland 4811.

A. Muslim

Faculty of Fisheries & Marine Science, University of Diponegoro, Semarang, Central Java, Indonesia.
Department of Chemistry, James Cook University, Townsville, Queensland 4811.

P. Mercurio

Department of Chemistry, James Cook University, Townsville, Queensland 4811.

G. Doherty

Department of Chemistry, James Cook University, Townsville, Queensland 4811.

D. Haynes

Great Barrier Reef Marine Park Authority, PO Box 1379, Townsville, Qld 4810.