PLANT DIVERSITY, STRUCTURE, AND COMPOSITION OF VEGETATION IN KEMAL MULUQ FOREST, LOMBOK ISLAND INDONESIA

Lowland tropical forest needs to be studied for its composition and structure because it has high biodiversity. This forest has experienced a lot of degradation so it is vulnerable to loss of genetic resources. This study aims to analyze plant diversity, structure and composition of vegetation in Kemal Muluq Forest, Lombok Island, Indonesia. The composition of the vegetation in Kemal Muluq Forest consists of 36 families, 58 genera and 62 species. The vegetation structure in Kemal Muluq Forest includes: seedling and understory, sapling, pole, and trees with varying densities. The species with the highest density was Schleichera oleosa (Lour.) Oken, followed by Schoutenia ovata Korth., and Streblus asper Lour. Plants at the seedling and understory levels are included in high diversity. Meanwhile, plants at the sapling, pole, and tree levels have diversity is included in moderate category. Plants at the seedling and understory, sapling, pole, and tree levels have low dominance value. Based on the regression analysis, there is soil temperature and soil pH have a significant influence on the plant diversity index in Kemal Muluq Forest, Lombok Island, Indonesia.