Judul: Analisis potensi wisata bahari di kawasan taman nasional kepulauan seribu, Propinsi DKI Jakarta dengan pendekatan recreation opportunity spectrum
Abstrak: Taman Nasional Kepulauan Seribu (TNKS) merupakan daerah konservasi yang sekaligus dimanfaatkan untuk wisata. Sebagai daerah konservasi TNKS memiliki tanggung jawab untuk menjaga keberlanjutan sumberdaya alam. Hal ini berarti bahwa TNKS harus merencanakan dan melakukan pengelolaan kawasan dengan benar melalui strategi dan kerangka pengelolaan yang menjamin dan mendukung keberlanjutan nilai-nilai sumberdaya alam. Recreation Opportunity Spectrum (ROS) yang digunakan dalam penelitian ini merupakan sebuah kerangka perencanaan melalui sistem zonasi pada landscape dan seascape. Tujuan dari ROS adalah untuk mendapatkan keseimbangan antara pemanfaatan dan konservasi. ROS memandang empat komponen pembentuk peluang rekreasi (recreation opportunity) adalah aktifitas, lokasi, pengalaman dan manfaat baik secara ekonomi maupun lingkungan.
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Judul: Marine tourism potency analysis of the national park kepulauan seribu, DKI Jakarta Province by using recreation Opportunity Spectrum Approach.
Abstrak: The National Park Kepulauan Seribu (INKS) is the conservation and tourism area.. Conservation area has a responsibility to manage sustainability of the natural resources. It means that TNKS have to plan and manage areas correctly. It is important, to put the strategy and management framework when tourism will be developed in the conservation area.. It will make tourism to guarantee and support sustainability of protection value. ROS is a planning framework where zoning is applied on the landscape and seascape. The ambition is to find a balance between the using and the conservation; a variety of recreation that satisfies the need for experiences and directs people to certain areas that protect nature. ROS is built of four components that make the recreation opportunity, those are recreation activities, settings, experiance and benefits. The purpose of this study are to find the potential island for the recreation activities, estimate the economic tourism value of the national park and find the recreation wne using Recreation Opportunity Spectrum (ROS) approach. Potential tourism and recreation ZODe will become base to plan the management of tourism in the park. Setting activities are built base on the biophysics factor that belongs to the island with the suitability's seascape analysis to know how the qnality of recreation object, it will be overlay with the visitor assessment on the quality of natural factor and will be overlay with the willingness to pay value to make the map of potential tourism on the islands have been zoned. Regions were classified base on the characteristics as described by a park visitor result in semi urban in the Prarnuka Island; it has potency to develop island and sea coral tourism, especially on the sonthem side of the island. Rural developed zone in the Gosong Prarnuka and Panggang has tourism potency for sea coral and fishing tourism, Karya Island that is also developed rural woe, has potency of beach tourism. Rnrai natural zone in the Kntok dan Semak Daun Island has potency for sea coral, waters and island tourism. Semi primitive zone in the Karang Congkak Island has potency for sea coral. waters and island tourism. The zones describe natural or tmnaturai, high deusity or low deusity, developed or undeveloped of the islands that can offer different experience for visitors. Next development plan of the area is conducted by arrangement strategy, physic management strategy. economy and education strategy. The arrangement strategy is conducted by limiting the number of visitors, visit time, and prohibition of taking the waters biota and fauna, etc. Physics management strategy is conducted by adding physic facilities to increase the comfort and easiness to access tourism object by taking the characteristic of the area into account. Economy strategy is conducted by insentive and disinsentive systems. Education strategy is conducted by increasing the understanding of the tourist and local island community on the function of the area and natural resources value that become tourism object.
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Judul: Effects of Particle Shapes on Temperature Distribution under Static Ohmic Heating.
Abstrak: The ohmic heating is defined as a process wherein an alternating electrical current is passed through materials resulting in the heat generation inside the product. The excellence of ohmic heating in comparison with other thermal processing is its energy efficiency and ohmic heating could keeping nutritional as well quality attribute of food via blanching, sterilization, pasteurization, extraction, fermentation, and evaporation. Nevertheless, in ohmic heating process, the electrical conductivity of product is a key parameter. The worst case in the ohmic heating of multiphase product could be occurred when the solid phase has very lower or very high electrical conductivity than the liquid. This study aims to reveal the temperature distribution and the heating rate properties of solid and liquid phase as affected by particle shape and its orientation to the electric field. Experiments were conducted with salt solution 1% and carrot that blanched in salt solution 6%. Blanching process was conducted in order to increase the electrical conductivity of carrot close to the salt solution 1%. Ohmic heating was applied to the sample using static cell (4.90 cm diameter and 6.00 cm in length of sample area) at constant voltage gradient (40 V). Each experiment was conducted in triplicate. It was observed that the different particle shape and orientation provide the different heating rate properties. The slice particle had the fastest heating rate. Moreover the perpendicular orientation was heated faster than parallel orientation. The parallel cylindrical shape provides the slowest heating rate. This shape possibly induced the worst-case condition and could be used as sufficiency heat parameter. The heating pattern of each solid and liquid were simulated using COMSOL modeling software. The predicted temperature values were in good agreement with the experimental data with the maximum prediction error of 3 °C.
Keyword: particle orientation, particle shape, electrical conductivity, ohmic heating