Wulandari I, Hendrawan R, Husodo T, Megantara EN. 2018. Vegetation structure and composition in Ciletuh Geopark, Sukabumi, Indonesia. Asian J For 2: 54-61. Ciletuh Geopark has unique geological exposures and plant diversity that need to be maintained and managed to provide benefits, both to the environment and society. In order to manage plant diversity, the plant species that make up the area need to be identified. This research was conducted to determine the community structure and plants diversity of the Ciletuh Geopark. The results of the study were used as basic data in determining the pattern of biodiversity management in Ciletuh Geopark. The method used is a qualitative method, through an inventory of plant species and illustrating the vegetation profile diagram. Vegetation profile diagrams represent a vertical structure of the vegetation community. Data analysis was carried out qualitatively by describing vegetation conditions. Ciletuh Geopark has four types of communities, namely natural forests, horticultural gardens (gardens, humas, and fields), kebon tatangkalan (talun), coastal vegetation and mangroves. Ciletuh Geopark has 179 plant species, from understorey to trees. In this location, there has been a change in species diversity, which is dominated by crop plant species. However, based on its conservation status, there were also plants protected by the Indonesian government, namely Rafflesia patma.
Abstract. Megantara EN, Shanida SS, Husodo T, Febrianto P, Pujianto MP, Hendrawan R. 2019. Habitat of mammals in West Java, Indonesia. Biodiversitas 20: 3380-3390. West Java has various habitat types, natural forests and human-land modified. Based on previous studies by Padjadjaran University that mammals were found in several locations, such as Gunung Salak, Ciletuh, Cisokan, Kamojang, and Darajat. There are many mammals found in various habitat so that it is important to reveal the habitat types that are usually used by mammals to fulfill their daily needs. The purpose of this study is to reveal the habitat types that are most commonly found in mammal species. Semi-structured interviews, direct observations, camera trapping, sign survey, and collapsible trap installation were applied in this study. Based on the results of the study, Mammals in West Java were found in 54 species, 21 families, and nine orders. Natural forests found 38 species, while mammals found in human-land modified as many as 16 species. In human land modified, agroforestry found more mammal species compared to other human-land.
Referring to the literature study, there were nine locations which have always been the object of research, namely Cirengganis (Nature Recreational Park) dan Tadah Angin, Nanggorak, Badeto, Cimanggu, Karang Pandan, Raja Mantri, Batu Meja, dan Cikamal Ecoton (Nature Reserves). Based on the analysis, there were 133 plant species (53 families) with vegetation type of tree (46 species), pole (61 species); shrub (73 species); seedling and grass (95 species). Similarity index (Sorensen 1974) of the location which had similar vegetation structure was Batu Meja and Rajamantri (ISs = 54.79), whereas the location which had smallest similarity value was Cirengganis and Batu Meja (ISs= 0). The location which had the highest diversity index value of Shannon-Wiener (Muller-Dumbois and Ellenberg 1974) from 9 locations was Tadah Angin (H' =3.69) and the lowest was Karang Pandan (H'=2,05). In a comparison of Distribution Pattern Index (Morisita 1965in Krebs 1972, recorded 130 species of plants was distributed clumped, and the other three species was distributed evenly. In typology of plant community that analyzed by NTSYSpc 2.02i, there was two type of plant community, namely lowland forest plants community type that has a specification like riparian vegetation (Tadah Angin) and transition areas between grassland and lowland forest (Cikamal Ecotone). Besides, typology of plant communities in the TWA & CA PP was coastal vegetation (Cimanggu and Karang Pandan), lowland forests (Nanggorak, Cirengganis and Badeto), mixed forests/coastal vegetation and lowland forests (Batu Meja and Raja Mantri).
Abstract. Kuncoro DD, Husodo T, Kusmoro J, Hendrawan R, Suroso, Afriyanti F, Megantara EN. 2020. Above-ground carbon stock at Kamojang Regions, West Java, Indonesia. Biodiversitas 21: 1749-1754. Kamojang is one of the regions that have the potential for carbon dioxide (CO2) sequestration and carbon storage for the southern side of West Java Province, Indonesia. The existence of vegetation as a provider of ecological services in the form of carbon dioxide (CO2) absorption and carbon storage certainly has a very important role, either in living conditions (biomass) or dead conditions (necromass). The aims of this study are to determine the total amount of above-ground carbon stock and determine the type of land-use that has the greatest carbon storage potential in the Kamojang region. Data collection in this research combines destructive and non-destructive methods. The measurement of biomass was carried out by the non-destructive sampling method for the category of sapling, poles, trees and necromass and the destructive sampling method for the category of undergrowth and litter. The results showed total above-ground carbon stored in Kamojang area is 4,995.75 t C with the largest potential value of carbon stock in the pine production forest of 163.79 t C/ha.
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