Muhammad Wiharto, Muhammad Wijaya, Cecep Kusmana, Lilik Budi Prasetyo, Tukirin Partomiharjo
We study the structure, indicator species and diversity of treelets and shrubs vegetation in tropical sub-mountain forests of Mount Salak Bogor, West Java. There were 4 vegetation groups at Bray-Curtis distance 0.6 - 0.8, namely groups 1, 2, 3, and 4, each consist of 13 plots, 17 plots, 8 plots, and 22 plots. One way Permanova test shows that the vegetation group is different in terms of structure and composition of vegetation. Dicranopteris dichotoma (Thunb.) Bernh., Athyrium sorzogonense (Presl.) Milde., and Cinchona officinalis L., are the species with the highest Important Value Index in all plots. Indicator species are not found in group 2. There are 8 combined vegetation groups that have indicator species. The one-way Kruskal-Wallis test shows the difference in Shannon-Wienner diversity index (H') (Kruskal-Wallis χ2 = 20.541, df = 3, p-value = 0.0001311 ), Simpson's index (D) (Kruskal-Wallis χ2 = 23.855, df = 3, p-value = 2.678e-05), Pielou's evenness index (J') (Kruskal-Wallis χ2 = 14.315, df = 3, p-value = 0.002506) and Species Richness (S) (Kruskal-Wallis χ2 = 17.868, df = 3, p-value = 0.0004683) among vegetation groups. Post hoc test with Games Howel shows group 2 and 4 have differences in all parameters of diversity. The values of H', D, and S between group 1 and 4 are different. The difference in S values also appears between group 3 and 4. © Published under licence by IOP Publishing Ltd.
Faculty of Mathematics and Natural Science, Universitas Negeri Makassar, South Sulawesi, Indonesia; Faculty of Forestry, Institut Pertanian Bogor, West Java, Indonesia; LIPI Cibinong, West Java, Bogor, Indonesia
