Third introductory training course on mangrove ecosystems: Singapore, 20 Oct-16 Nov1985, report - UNESCO 1986 - 46 - Mangrove ecosystems Mangrove ecology - UNDP/UNESCO Regional Projec RAS/79/002 . Nat. Bib. No.: P 547 Nat. Bib. Agency Control No.: 582.871UNE Subjects--Topical Terms: Biological Sciences Universal Decimal Class. No.: 582.871