POTENSI DAN KOMPOSISI VEGETASI PADA EKOSISTEM HUTAN MANGROVE DI SELAT NASIK KABUPATEN BELITUNG, PROVINSI KEPULAUAN BANGKA BELITUNG (Studi Kasus di Desa Selat Nasik, Kabupaten Belitung, Provinsi Kepulauan Bangka Belitung)
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Abstract
Research on Composition and Potential Vegetation in Mangrove Forest Ecosystem has been done in Nasik Strait Belitung, Bangka Belitung Islands Province. In the month of May-July 2013, which includes the location of the research, namely in the village of Nasik Strait (Cape Nyato), Belitung regency. This study was conducted to determine the potency and composition comprising Relative Frequency, Relative density, relative dominance and importance value index any type of Mangrove Plant. Mangrove ecosystem measurements using line transect plot 20 m x 20 m.
Identification results obtained by 10 mangrove plant species consisting of 8 true mangrove species (true mangrove) and 2 types of mangrove along (associate mangrove). The results showed that Bruguiera gymnorrhiza has the highest importance value index in the Village Location Nasik Strait (114.46), while the type of Xylocarpus granatum has the lowest critical value (5:57). Water temperatures ranging from 290C and the location of the substrate are sand, silt and clay. Dominant mangrove species composition of mangrove forest ecosystems in the dominance of the five species of mangrove Rhizophora apiculata, Rhizophora mucronata, Brugueira gymnorrhiza, Sonnerata alba and Xylocarpus granatum.
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