Analisis vegetasi dan struktur komunitas Mangrove Di Teluk Benoa, Bali

Mangrove forest is one of the natural resources having value and mean a lot both in terms of its physical, biological and socioeconomic. Due to the increasing needs of human’s livelihood causing them to intervered in these ecosystems. It can be seen from the land’s conversion of these mangroves into saltwater fishponds, human settlements, industrial areas and others. One of the mangrove area in Bali is Benoa Bay. This study aims is to determine the structure and vegetation and also the dominant mangrove species in the Benoa Bay mangrove forest in Bali. The method used in this study is a sample survey or a field survey method. At each observation station along the transect line, plots are made with a size of 10m x 10m with 3 plots for each station. Then, on each observation plot any individuals mangrove species found are counted per each species. For the data analysis purposes, each trees, saplings and seedlings individual are noted its name type and the trunk circumference at chest level, while for vegetation strata seedling are noted its name type and the number of individuals of each species. For the mangrove vegetation were found that its consists of 11 true mangrove species and one species of mangrove follow which was Waru Sea (Thespesia popunema). At the I station, the tree level mangrove vegetation is dominated by Sonneratia alba (INP) counted to 130.61, as the seedlings level was dominated by Rhizophora mucronata (INP) of 246.11. At the II station, tree level mangrove vegetation is dominated by Rhizophora mucronata (INP) counted to 109.59, while the seedling rate was dominated by Rhizophora stylosa (INP) of 91.60. At the III station, tree level mangrove vegetation is dominated by Rhizophora apiculata (INP) of 92.26, while the seedlings rate was dominated by Rhizophora apiculata (INP) of 82.89. At the IV station, tree level mangrove vegetation is dominated by Sonneratia alba (INP) of 93.77, while the seedlings rate was dominated by Avicennia marina (INP) of 103.04. At station V, tree level mangrove vegetation is dominated by Bruguira gymnorrhyiza (INP) amounted to 115.31, while the seedlings rate was dominated by Rhizophora stylosa (INP) of 136.62.