Composition and plant diversity analysis on Mount Dempo, South Sumatra

Abstract

Ismaini L, Lailati M, Rustandi, Sunandar D. 2015. Composition and plant diversity on Mount Dempo, South Sumatra. Pros Sem Nas Masy Biodiv Indon 1: 1397-1402. Mount Dempo is a protected forest area located on the Barisan mountain chain of Sumatra. This mount is the highest mountain which located in South Sumatra on altitude 3159 meters above sea level. Sustainability of protected forest function is determined by the existence of vegetation, and need to management effort based on the analysis of vegetation. The purpose of this research was to determine the vegetation structure and composition and inventory of plant species in the Mount Dempo protected forest, using analysis of vegetation methods on sample plots 10x10 m2 for trees and 2x2 m2 for seedlings with total 16 plots observation. The results of the vegetation inventory tree level were found 21 species with a total of 119 individuals and at the level of seedling was found 98 species with a total of 830 individuals. The results of the analysis vegetation showed Cassia sp. and Camellia sinensis dominate tree level with the Importance Value Index 83.83% and 77% respectively, while for the seedlings was dominated by Strobilanthes hamiltoniana and Strophacanthus membranifolium with IVI of 12.20% and 10.46%. Index diversity of Shannon-Wiener (H ') was 1.9394 for trees and 3.697 for seedlings showed the diversity of medium and high; Index of species richness (Dmg) was 4.1849 for trees and 14.4315 for seedlings showed moderate and high richness; and Index of Evenness (E) was 0.6370 for trees and 0.8063 for seedlings showed high evenness.