Judul: Pengujian Teknik Interpolasi Sediaan Tegakan dan Biomassa Berbasis IHMB Pada Hutan Lahan Kering PT Trisetia Intiga, Kabupaten Lamandau, Kalimantan Tengah
Abstrak: Spatial interpolation is a calculation process to estimate the value at unmeasured areas with the assumption that the data attributes have continuos spatial relationships. The use of IHMB sample data for estimating standing stock and biomass distribution is an interesting challenge of task, particularly in supporting the REDD+ program. In this study, several interpolation methods were examined to obtain the best method to be used in estimating the standing stock and biomass based on IHMB data in dry land forests. The IDW (Inverse Distance Weight) and Kriging method were tested for interpolating all size timber class (D>10 cm), commercial tree species (D>40 cm). The spatial analysis performed includes isolines development, construction of TIN (Triangulated irregular network), conversion to grid, grid to vector conversion and calculating the mean. This study shows that the IDW of power 3 provides the best estimation for interpolating all tree size from all species (D>10 cm), comerciall species (D>40 cm) and biomass, respectively. For the Kriging Method, the best estimation was derived from spherical and circular approaches. In general, the IDW method gives slightly better estimation than the Kriging method on estimating spatial distribution of standing stock and biomass.
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Judul: Pemanfaatan SIG dalam pemetaan penyebaran potensi hutan berbasis IHMB di IUPHHK-HA PT. Ratah Timber, Kalimantan Timur
Abstrak: Comprehensive Periodic Forest Inventory (IHMB) is a ten-year periodic forest inventory for establishing business plan of forest utilization, which had to be done by Business Utilization Timber Forest Product in Natural Forest (IUPHHK-HA) and Plantation Forest (IUPHHK-HT) permit holders based on Government Regulation No. 6 of 2007. PT. Ratah Timber as a business license holder of Business Utilization Timber Forest Product in Natural Forest (IUPHHK-HA) requires preceding IHMB for establishing Ten-Years Natural Forest Business Plan for Timber Forest Product Utilization. IHMB with sampling concept reducing data measurement area to small certain surveyed area. Spatial distribution of timber potential from overall IHMB area, which in some compartment is not represented, may be estimated using spatial interpolation using GIS from data that obtained in survey plots. This research intend to estimate forest standing stock, establishing map of timber volume and tree profile, and analyzing forest timber potential in PT. Ratah Timber, East Kalimantan. IHMB tabular data processing shows that more that 60% of standing stock in PT. Ratah Timber belongs to Kayu Meranti (KM) class in all trees growing class (pole, small trees and large trees). Largest tree density is available at pole class by 206 poles/ha, meanwhile largest volume is available at large tree class by 146,73 m3/ha and overall standing quality is considered good based on its tree quality. IHMB spatial data distribution shows that PT. Ratah Timber has the largest area or compartments in lowest class potential. Spatial distribution map for large trees inform that largest compartment aggregated at 0-24 N/ha and 0-146.6 m3/ha in density and volume distribution classes. Potential analysis and tree spatial distribution overlay for 50 cm up commercial tree diameter shows normal standing structure condition, in spite of its potential condition was not too high, about 79,8% of PT. Ratah Timber area only having 0-28 trees/ha tree density with 0-279,6 m3/ha standing volume.
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Judul: Feline Panleukopenia Pada Kucing
Abstrak: Feline Panleukopenia adalah salah satu penyakit yang menyerang hewan kucing. Bersifat sangat menular, akut, terkadang fatal, dengan angka kematian yang tinggi pada populasi hewan rentan. Disebabkan oleh virus golongan Parvo yang sangat stabil dan tahan terhadap pengaruh lingkungan dan zat-zat kimia tertentu. Memasuki tubuh hewan rentan dengan cara peroral, inhalasi, parenteral, atau kontak langsung deng- an hewan sakit, lingkungan, bahan, dan alat yang terce mar. Virus penyebab mempunyai affinitas yang tinggi ter- hadap sel-sel yang intinya sedang aktif bersintesa dan berkembang biak. - Masa inkubasi berkisar antara dua sampai enam hari, kadang-kadang sampai sembilan hari. Gejala klinis yang tampak mulai dari kelemahan, anoreksia, tidak mau minum, depresi, demam biphasic, muntah-muntah, diare, dehidrata- si, kadang-kadang ataksia. Aspek patologi klinis yang paling khas adalah terjadinya panleukopenia yang sangat drastis. Kekebalan maternal banyak diturunkan oleh induk me lalui kolustrum. Kekebalan pasif ini cukup untuk melin dungi anak-anak kucing dari serangan virus penyebab serta sekaligus menghambat kekebalan aktif oleh tubuh,
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