HASIL PLAGIASI ANALISIS VEGETASI GULMA DAN TUMBUHAN BAWAH DI HUTAN MANGROVE

Abstract

Weeds and lower plants are plantsxthat have aapositivewor negative impact on existing plants diekosistem either directly or indirectly. The purpose of this study is to analyze the types of weeds and plants under the mangrove forest. Village Muara Asam-AsamxDistrict Jorong Tanah Laut Regency has a tourist attraction and recreation is the beach of romance in which there is also a mangrove forest where weeds and plants under the mangrove forest is not known species. The study used quadratic method, withwplot ploting by purposive sampling. This studyxuses two zones, each zone taken the number of plots of 15 sample points in each zone. Total sample of research is 30 point. Zone I total were found to be 17 species and in zone II totalxwere found were 18 species. Zone I weeds and down plants for the highest relative density of 37.665, the highest relative frequency ofx19.998 and the important value of 66.257, with the mastery of 22.086%. found in plants caterpillar starch (Ageratum conyzoides). Zone II Weeds and lower plants for the highest relative density of 22,573, the highest relative frequency of 9.804 and theximportant value of 38.843 with thexmastery of 12.948% are found in the stone cubes (Gramanea).