Djamaluddin, Rignolda
(2018)
THE MANGROVE FLORA IN THE SOUTH AND NORTH COASTAL AREAS OF THE NORTHERN PART OF SULAWESI ISLAND, INDONESIA: AN IMPLICATION FOR SPECIES CONSERVATION.
In: NAME]Seminar Nasional Pengelolaan Sumber Daya Laut dan Pesisir Berkelanjutan, 14 November 2018, Pascasarjana Unsrat.
Abstract
Biogeographically, the mangrove flora in the northern part of Sulawesi Island may include two regions, Indo-Malesia and Asia, Australasia and the Western Pacific, supporting the high diversity of mangrove species. Collections of mangrove specimens have been integrated in various mangrove surveys since 1995, using transect quadrate and spot check methods. As the result, at least 31 species of mangrove were collected from this study area. Three species, Avicennia alba Blume, Camptostemon philippinense (Vidal) Becc, Sonneratia ovata Baker seemed to be a typical species in the north coast, explaining its distribution limit in Indo-Malesia region. Three other species of Aegiceras floridum Roemer & Schultes, Heritiera globulus, and Osbornia octodonta F. Muell occurred only in the south coast, confirming its disjunctive distribution. Among all collected species in the two coastal areas, stands of several species including A. alba Blume, Ceriops zeppiliana Blume, Bruguiera cylindrica, (Linnaeus) Blume, S. ovata Backer, appeared to be uncommon species. This study confirmed that the coastal areas are floristically rich, and there is a concern of species conservation at certain locations.
Keyword: Australasia, conservation, Indo-Malesia, mangrove, Sulawesi
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