Forestry
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Browsing Forestry by Author "Sulaeman, Rudianda"
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Item Pendugaan Kandungan Karbon Di Atas Permukaan Tanah Pada Kawasan Arboretum Universitas Riau(2016-02-10) Pratamasari, Ricky; Sribudiani, Evi; Sulaeman, RudiandaForests be able to absorb carbon dioxide (CO2) and convert it into carbohydrates in the form of carbon and saved it in biomass components of forest. Arboretum area is one of forest area, which is around the Riau University, has the potential of biomass carbon saved in the constituent components. This research aimed to obtain information about the value of the carbons potential in the above ground at arboretum area of Riau University. The carbons potential at the area is one of the benefits of ecosystem services that have economic value, so its existence worthy of attention. Techniques of data collection was done by using the method purposive sampling or transect lines. Above ground biomass estimation was done by summing the biomass of litter, seedlings, undergrowth, saplings, poles and trees. Biomass of saplings, poles and trees was estimated by employing Ketterings et al., (2001). Biomass of litter, seedlings and undergrowth was estimated by employing Indonesian National Standard (SNI 7724: 2011). Value of carbon saved is 0,47 of the biomass. The research results showed that the carbon potential at arboretum area of Riau University is 58,45 ton/ha.Item SIFAT PENGERJAAN KAYU MERANTI MERAH (Shorea leprosula Miq.) DAN KAYU JELUTUNG (Dyera polyphylla Miq.) UNTUK BAHAN BAKU MEUBEL(2016-02-10) Utama, Angga Prayoga; Sulaeman, Rudianda; Sribudiani, EviWoodworking aims to convert the solid wood or wood products wooden panels into useful, valuable and high aesthetic through a series of processes. Shorea leprosula Miq. and Dyera polyphylla Miq. wood is a popular wood in the wood trade and also the production of furniture, but it is not known defect-free value and quality classification of the wood. research needs to be done about the trait of the wood working to determine the defect-free value contained in the wood processing using the techniques of woodworking and properties determined using woodworking class assessment tables. Research method based on ASTM (American Standard Testing and Materials) D-1666-87 (1999), with materials and equipment available. Shorea leprosula Miq. and Dyera polyphylla Miq. wood has a excellent grade in the class woodworking, either defective fiber fluffy, fiber fractures, scratches, scars tear that is classified in 1st class with the average value of damage is not more than 20% of the specimen defects