Pasak bumi is one kind of medicinal plants commonly consumed by people and grow in Prohibition of Indigenous Forests Rumbio. Information on the ecological conditions Pasak bumi in Prohibition of Indigenous Forests Rumbio is important known as an indicator of the presence of Pasak bumi, and their population in the forest. The purpose of this study to analyze the ecological conditions Pasak bumi in Prohibition of Indigenous Forests Rumbio , and know how to use Pasak bumu conducted by people around the Prohibition of Indigenous Forests R umbio. The method used in this study was a survey method, the implementation of the research started from the observation, creating a plot, measurement, and data acquisition. The average temperature in the research location 28,09 0 C, average air humidity 85.38%, and the average light intensity of 582.20 lux, type of soil is Red Yellow Podzolic, w ith a pH of 5.5-6.4. Pasak bumi found in site which it is flat and slopes for 15%, with an altitude of 600-750 m above sea level. Pasak bumi grown on sloping ground that is not waterlogged. Communities around the Prohibition of Indigenous Forests Rumbio utilize Pasak bumi from the leaves, stems, bark and roots. The perceived benefits of the Pasak bumi by society is to improve blood circulation, eliminate fatigue, malaria drugs, smooth urination, mouth sores, itching disease medicine, a tonic after childbirth and fever.
Forest harvesting waste in the form of Ecalyptus pellita leaves can be utilized to be essential oil by distillation process. The research aimed to 1) to know the effect of duration of leaf storage on yield and quality of essential oil produced, 2). Comparing the quality of E.pellita leaves essential oil with eucalyptus oil according to SNI. Methods taken by taking E. pellita leaf waste were then stored for 1,2,3,4,5 and 6 days then steam distillation and measured rendemen, specific gravity, sineol content and refractive index. The average oil yield of E.Pellita is 0.15% with the highest yield of 0.4593% in leaves stored for 3 days. The best essential oil quality comes from leaves that have been stored for 3 days with specific gravity of 0.9186, 60% sineol content, refractive index 1.4603 and 80% alcohol solubility by 1: 1.
This study aims to determine the estimated economic value of water in Rumbio Forest Indigenous Prohibition for domestic use existing community around the forest. The method of data collection is done in a survey by random sampling. The economic value of water for domestic use Rp 347 871 206 per year. Willingness to pay (WTP) is Rp1.907.657.086 per year in order to obtain the consumer surplus of Rp 1,559,785,880 per year. In addition there are 13 businesses sales of water to three villages around the Rumbio forest indigenous prohibition.
Non-Timber Forest Products (NTFPs) are part of an ecosystem that has diverse roles both for the natural environment and for humans. NTFPs that are commonly used and commercialized include sandalwood, sap, gaharu, sago, rattan, aren, bamboo, medicinal plants and fruit plants. The purpose of this research is to perform financial analysis and feasibility of HHBK especially rubber and durian. The method used is survey method with purposive sampling to rubber farmer and durian in Siak Regency. The analysis of research data is descriptively qualitative. The results showed that rubber value of NPV Rp 7.076.819.809, -, BCR 2.24 and IRR 15.09% while durian has NPV Rp 738.553.324, - BCR 2.00 and IRR 13.67%. Based on the criteria of financial feasibility indicators can be concluded that the rubber cultivation and durian business financially feasible to be developed.
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