Abstract. Eddy S, Dahlianah I, Mashito C, Oktavia M, Utomo B. 2022. Anthropogenic implications for land cover changes and vegetation structure in coastal protected forest. Biodiversitas 23: 4473-4481. Anthropogenic activities in coastal areas have largely eliminated mangrove forest cover, including the Air Telang Protected Forest (ATPF). This study aims to analyze land cover changes in 2021 and the vegetation structure in ATPF which covers an area of ??approximately 12,660.87 ha. The method used in this study is a survey method with two stages of data collection, namely the collection of image data and vegetation data. Image data for 2021 was obtained from Landsat 8 Oli, while vegetation data were collected through the identification of plant species and quantitative analysis through the calculation of the Important Value Index (IVI) and the Shannon Diversity Index (H?). The results of this study show that there has been deforestation in ATPF by 66.4% until 2021 due to land conversion into coconut plantations, oil palm plantations and open areas. The number of plant species obtained was 20 species consisting of seven true mangrove species and 13 associated mangrove species. The diversity index ranges from 0.00 to 0.62 which is included in the low category.
Abstract. Eddy S, Rizal S, Kartika T, Sari KJ. 2023. Vegetation analysis and ethnobotanical study of rubber agroforests in South Sumatra, Indonesia 24: 2276-2283. Rubber agroforests (RA) play essential roles in conserving plant biodiversity and delivering ecosystem services while providing socio-economic benefits to local communities. This study aims to examine the composition and structure of vegetation and to explore the ethnobotanical uses of plants in rubber agroforests located in Southern Tempirai Village, North Penukal Sub-district, Penukal Abab Lematang Ilir (PALI) District, South Sumatra, Indonesia. Vegetation data were collected using the purposive sampling method in three different rubber agroforests by establishing transect lines and observation plots according to the plant life form (seedling, sapling, and tree) at each sampling point. Ethnobotanical data were collected through interviews with plant-using communities through a purposive sampling method. The results showed that there were 17 plant species belonging to 13 families documented in the studied area. The most dominant species at seedling stage (including understorey) was senduduk (Melastoma malabathricum) with an IVI (Important Value Index) of 38.79, while the most dominant species at sapling and tree layers was rubber (Hevea brasiliensis) with IVI of 185.48 and 300.00, respectively. In the rubber agroforests studied, the species diversity was classified as very low with a diversity index (H') value of 0.85. There are various ethnobotanical uses plants found in the rubber agroforest with the most common use by the community was for traditional medicines (Mimosa pudica, Melastoma malabathricum, Gleichenia linearis, Ageratum conyzoides, Piper betle, Stenochlaena palustris, Coffea sp., Salacca zalacca, Syzygium polyanthum, Sauropus androgynus, Imperata cylindrica, Areca catechu). Other uses were for food ingredients (Calamus sp., Coffea sp., Bambusa sp, Salacca zalacca, Syzygium polyanthum, Sauropus androgynus), building materials (Hevea brasiliensis, Areca catechu), and household furniture (Calamus sp., Bambusa sp.). This study enriches the understanding regarding the importance of rubber agroforest in conserving germplasm diversity and maintaining the ethnobotanical knowledge of local communities.
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