Struktur Vegetasi Hutan Mangrove dan Pemanfaatannya di Kampung Ababiaidi Distrik Supiori Selatan Kabupaten Supiori

Abstract. Mangrove forest is a vegetation that grows in the estuary beaches can be found on the shoreline tropical and subtropical who has the function of ecological, biological, economic and social culture, but now its existence has been degraded by the use of a less appropriate, and / or changing function. Research on the structure of mangrove forest vegetation in the village Ababiaidi Supiori District of Southern District Supiori conducted in November 2015 with the aim to determine the structure of mangrove forest vegetation and utilization. The method used in this research is the approach of ecological / biological and anthropological approach. From the analysis of vegetation, found as many as 12 species of mangrove plants. Rhizophora apiculata is the dominant species on the level of a tree with a density value of 809.34 individuals / ha with an important value index (IVI) 51.98 followed Rhizophora stylosa with a density value of 721.67 individuals / ha with the important value index (IVI) 44 01. At the level of Rhizophora belta stylosa is the dominant species with a density value of 488.33 individuals / ha with the important value index (IVI) 63.26 then Rhizophora apiculata with a density value of 416.67 individuals / ha with the important value index (IVI) 49 , 32. At the seedling stage Rhizophora stylosa a dominant species with a density value of 916.67 individuals / ha with the important value index (IVI) 33.07 and Rhizophora apiculata had density of 800 individuals / ha with the important value index (IVI) 29.47. Based on interviews of 12 mangrove species found in the observation plot 9 species used as building material, 11 species as a source of firewood, 3 species as drugs and 4 species for other purposes