Judul: Indeks dan Tingkat Bahaya Erosi Kawasan Hutan Pendidikan Gunung Walat, Kabupaten Sukabumi
Abstrak: Gunung Walat Education Forest (GWEF) is dominated by forest (Google Earth Image 2010). The river flowing within GWEF show less sediment load when the rainy days, that indicate the actual erosion of GWEF land is low. However, the physical conditions (soil and land morphology) of GWEF are dominated by the physical characteritics of land that potentially high erosion. Mapping of potential and actual erosion hazard in the region of GWEF are necessary and important for land use planning to reduce the negative impacts of land management of GWEF. The actual erosion is predicted by using indexes of USLE, i.e rainfall erosivity, soil erodibility, length and slope, land cover, and soil conservation measures indexes. Potential erosion is predicted also by using those indexes except the indexes of land cover and soil conservation measure. The results show that GWEF area is dominated by the very high potential erosion hazard index (92 %). The highest potential erosion is about 482,170.7 tons/ha/year (40,180.9 mm/year) and total potential erosion is 13,195,922 tons/year. Nevertheless, the actual erosion in GWEF area is mostly very low (59 %). The highest actual erosion is about 2,147.1 tons/ha/year (178.9 mm/year) and the total actual erosion is about 39,643 tons/year. Sediment Delivery Ratio in HPGW of sub watersheds is less than 0.2. Potential erosion in most areas of GWEF is very high, that indicate the most areas of GWEF is sensitive to erosion, but actual erosion of GWEF mostly is low. This phenomena is caused the area of GWEF is dominated by dense forest and forest floor. In the bare land, the actual erosion is very high. Based on these results, forested land should be maintained, especially in areas where potential erosion hazard index high until very high. In the areas where potential erosion hazard index is low – medium, forest land cover change is possible with consider the soil conservation measures.
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Judul: Pendugaan Tingkat Bahaya Erosi Untuk Optimalisasi Penggunaan Lahan Studi Kasus Di Desa Lamajang, Kecamatan Pangalengan, Kabupaten Bandung, Das Citarum Hulu
Abstrak: Erosion is a major cause of land degradation that lead to critical land formation. Erosion is influenced by several factor, such as : climate, soil erodibility, topograhy, land use, and conservation techniques. Among those five factors the first three factors are factors difficult to change. Therefore, erosion prevention efforts to reduce land degradation generaly focused on the regulation of land use and conservation techniques (land use optimization). Land use optimization was done by allocating any land use for a proper land use in such a way that land degradation can be prevented, i.e land use that produce erosion less than tolerable erosion. Therefore, prediction of actual and potential soil erosion as well as tolerable soil erosion level to determine erosion hazard is necessary. The method used is Universal Soil Loss Equation (USLE) which is a common method used to calculate the erosion rate. The advantages of this method are easy to apply and compatible in areas which have a rainfall and surface runoff as the main factors that causing erosion. The aim of this research is to produce a new scheme of land use based on the level of erosion hazard in order to obtain a sustainable agriculture (optimal allocation of land use) in the Lamajang Village, Sub-district Pangalengan, District of Bandung, West Java. This research includes: field observations, determination of rainfall erosivity, soil erodibility, topography, land use, land conservation techniques, and erosion hazard index. Based on data evaluation and interpretation, 7 land units are found in studied area with erosion rates ranging from low to very high. Land units with erosion hazard greater than tolerance level require land optimization. Optimization of land use activities should include the aspects of erosion, social, cultural, and economic, so make it easy to be accepted and applied for local communities The results of this study showed that erosion hazard in the studied area is very high due to high rainfall and steep slopes. Since actual soil erosion higher than tolerable level it is necessary to optimize the land use. The method of land use optimization suggested for the study area is “Good Terrace”. On areas with slope steepness higher than 60% Agroforestry system is proposed. This Agroforestry system compose of pine as high canopy, coffe or quinine as medium canopy, and chili or tomato as lower canopy (basal cover), that are planted follow contour.
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Judul: Studi Kasus Liver Neoplasia pada Anjing Shih Tzu
Abstrak: Liver neoplasia is the excessive and uncontrolled replication of hepatocytes that forms nodules visible in ultrasonography. The purpose of this study is to study and discuss the characteristic, diagnosis and treatment of liver neoplasm through the interpretation of ultrasonography and hematology in a Shih Tzu dog. Ultrasonography is conducted with a Chison Q8 ultrasound machine with a 5 to 7 MHz frequency convex probe on lateral recumbency. The blood cells, liver enzymes and nodules sizes were the main parameters in this study. The results in the period of three years from 2021 to 2023 were interpreted and supported with secondary data sources. The Shih Tzu dog is 14 years old in the year 2023 with a body weight of 5.21kg. No obvious clinical signs were observed during previous examinations. However, lethargy, vomiting and anorexia were recorded in its latest examination. Thrombocytosis, granulocytosis, high liver enzymes and hypoglycemia, which are some of the neoplastic clinical manifestations were also presented by this patient. Besides, liver neoplasm, spleen neoplasm and biliary sludge were the sonogram findings of this patient. The liver and spleen neoplasm was observed stable, while the biliary sludge volume fluctuated. The treatment strategy recorded is Ondansetron, Samylin®, Ornipural and Ursodeoxycholic acid.
Keyword: Blood biochemistry profile, Hematology, Liver Neoplasia, Shih Tzu, Ultrasonography