Judul: Analisis Daerah Rawan Kebakaran Hutan dan Lahan dalam Penataan Ruang (Studi Kasus: Kota Palangka Raya, Provinsi Kalimantan Tengah)
Abstrak: In the city of Palangka Raya, land and forest fires are occurred almost every year during the dry season. These conditions resulted in damage and loss in terms of economic, social and environment that will inhibit the rate of development in Palangka Raya city so that necessary control measures against land and forest fires. This study has four main objectives that include the following: (1) to identify the characteristics of land and forest fires; (2) to identify factors influencing land and forest fires; (3) to identify land and forest fires hazard zone; (4) to formulate the direction of land and forest fire prevention. The Characteristics location of land and forest fires, factors influencing land and forest fires and land and forest fires hazard zone processed and analyzes using remote sensing technology approaches and statistical method and integrating Geographical Information System (GIS) with Composite Mapping Analysis (CMA). Human activites influencing land and forest fires obtained from interviews based questionnaire and analyzed using pairwise comparison. Based on logistic regression analysis of the 8 variables encompass human activities and supporting conditions, consisting of distance to roads, distance to rivers, distance ti settlements, land cover, population density, rainfall, soil type and slope. Human activites are the main factor influencing the land and forest fires. In terms of spatial consist of distance to roads, land cover and population density. Based on the results of interviews were analyzed using the method of pairwise comparison, the tendency of burning land is land acquisition without adequate financial ability The results of the analysis of land and forest fire hazard zone using CMA with three parameter influencing land and forest fires produce model accuracy by 80,00 % with low hazard area covering 103.347 ha (39 %), moderate hazard area covering 130.681 ha (49 %) and high hazard area covering 33.824 ha. Based on land and forest fires hazard zone with high hazard, there are 11 referrals location of land and forest fires prevention spread over 5 districts. The characteristics location of land and forest fire hazard zone with high hazard located at region of production forest, region of production development, region of settlement, and using other, distance to roads < 1 km, population density 11 – 100 jiwa/km2, swamp – shrubs and histosol that has degraded (overdrain) with slope < 2%. The prevention policy of land and forest fires in administration area of Palangka Raya City is prohibition of burning land and forest. The policy of controlled burning is applied to agriculture activities undertaken by indigenous or traditional people. According to land and forest fire hazard zone, land and forest fires prevention strategies that can be done is the development of information media, preparation of water sources, canal blocking, education, community empowernment and law enforcement.
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Judul: Dinamika Kerentanan Kebakaran Hutan dan Lahan di Kabupaten Kapuas, Provinsi Kalimantan Tengah
Abstrak: Land and forest fire always occurs every year with varying intensity and frequency and have impact to the environment, social and economic. Central Kalimantan is one of the Provinces in Indonesia very vulnerable to land and forest fire. Biophysical factors and human activities are the cause of land and forest fire, although it is currently unknown exactly how big its influence on the occurance of land and forest fire, however conditions in the field suggests that the main cause of land and forest fire happened in Kalimantan and Sumatra influenced by the human factor. This research was aimed to identifying and mapping the dynamics of the vulnerability of land and forest fire. The method used to compile a model is a method of Composite Mapping Analysis (CMA). The vulnerability assesment of land and forest fire in the peroid 2005 and 2012 is based on the equation model of the year of 2009. The most influential factor in the development of vulnerability model each year is land cover/use and the depth of peat. The vulnerability level with very high category and with the largest area occurred in 2006 (El-Nino year). Sub-district of Mantangai is a sub-district with vulnerability level of very high and most extensive compared with other sub-districts in the district of Kapuas. Meanwhile, type of land cover/use that always exist from high-level to very high vulnerability is the swampy shrub, shrub, and plantation.
Keyword: land and forest fire vulnerability, land cover/use, CMA, land and forest fire, hotspot

Judul: Optimization of Alginate-Chitosan Microcapsules Formation for Leydig Cells Encapsulation
Abstrak: Hypogonadism is a clinical condition characterized by low concentrations of testosterone. It is caused by malfunction of Leydig cells in producing testosterone. Encapsulation method will protect the transplanted cells from the immune system rejection. The aims of this study was to optimize the formation of microcapsules for Leydig cells encapsulation. The microcapsules were made of alginate and chitosan as the first and the second coating agents, respectively. The result showed that the minimum concentration of alginate was 1.5% (w/v) with a viscosity of 33.8 cPs, resulted spherical microcapsules with diameters of 230-270 µm. The optimum concentration of chitosan as the second coating agent was 0.5% (w/v), resulted spherical microcapsule with mechanical stability in 4 hours. Leydig cells can be trapped inside the capsule with a density that proportional with concentration of cells used in the encapsulation.
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