STRUKTUR DAN KOMPOSISI VEGETASI HUTAN BEKAS TEBANGAN DI RIMBO SEKAMPUNG, SUMATERA SELATAN

Abstract

Rimbo Sekampung Natural Forest (RSNF) is one of the natural dry land forest ecosystems remaining in South Sumatra. The aim of this study is to obtain information about the composition and vegetation structure of RSNF. Data was collected by using transect method. As many as 40 plots (20 m x 20 m) were made in four transects to calculate number of tree species. A 10 m x 10 m plot was made inside 400 m 2 plot to compute the pole species, while, a 5 m x 5 m plot was used to record the sapling species. In addition, seedling and undergrowth were measured from a 2 m x 2 m plot. Totally, 145 species (44 families) were recorded. The results showed that the tree stage was dominated by gerunggang (Cratoxyolon arborescens Bl.) (IVI=44,16%), while the pole stage was dominated by sungkai (Peronema canescens Jack.) (IVI=52,32%). Results also showed that the sapling stage, as well as seedling and undergrowth stage was dominated by marak (Macaranga tanarus (L.) Muell.Arg.) (IVI=41,03% and IVI=25,49%). Some species founded in RSNF such as gerunggang, sungkai, laban (Vitex pubescens Vahl.), medang kuning (Litsea firma Hook P.), and bayur (Pterospermum javanicum Jungh.) are known as construction wood