Habitat optima of soft corals on the central Great Barrier Reef: niche characterisation using regression tree analysis: Fabricius KE and De'ath AG (1997) Habitat optima of soft corals on the central Great Barrier Reef: niche characterisation using regression tree analysis. Vol 2: 167-174. In: The Great Barrier Reef: Science, Use and Management: A National Conference. Proceedings. Great Barrier Reef Marine Park Authority & CRC Reef Research.