1. Photosynthesis and photorespiration in mangroves.- 2. Photosynthetic gas exchange properties and carbon isotope ratios of some mangroves in North Queensland.- 3. Productivity and phenology of Avicennia marina (Forsk.) Vierh. and Bruguiera gymnorrhiza (L.) Lam. in Mgeni estuary, South Africa.- 4. Structural features of the salt gland of Aegiceras.- 5. Ions in mangroves.- 6. Movement of ions and water into the xylem sap of tropical mangroves.- 7. Observations on water salinity in mangrove associations at two localities in Papua New Guinea.- 8. The effects of 2, 4-D on the growth of Rhizophora stylosa Griff. Seedlings.- 9. A realistic approach to the use and management of mangrove areas in Southeast Asia.- 10. The mangrove ecosystem in Indonesia, its problems and management.- 11. Mangrove management in the Philippines.- 12. Possible impacts of the planned hydroelectric scheme on the Purari River deltaic and coastal sea ecosystems (Papua New Guinea).- 13. Overcoming problems in the management of New Zealand mangrove forests.