Judul: Pengelola Taman Margasatwa Ragunan dan Renovasi Taman Plaza Gajah
Abstrak: Taman Margasatwa Ragunan (TMR) DKI Jakarta dengan luas 135 ha terletak di kawasan Ragunan-Pasar Minggu-Jakarta Selatan memiliki fungsi sebagai sarana perlindungan dan pelestarian alam (konservasi), sarana pendidikan, sarana penelitian, serta sarana rekreasi dan apresiasi terhadap alam. Fungsi terakhir rnempakan potensi yang dirniliki oleh TMR yang perlu dikembangkan karena kawasan ini memiliki keanekaragaman satwa, baik yang berasal dari dalam maupun luar negeri yang diperagakan dengan segala keunikannya, serta keindahan alam dengan penataan tumbuhan yang sangat indah, sehingga memiliki daya tarik tersendiri untuk dikunjungi.
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Judul: Landscape Planning of Taman Margasatwa Ragunan Jakarta Based on Bioregion
Abstrak: Taman Margasatwa Ragunan (TMR) mempunyai fungsi sebagai tempat konservasi, edukasi, penelitian, dan rekreasi alam. Sejalan dengan upaya menyejahterakan satwa serta memberikan pengalaman di dunia satwa bagi pengunjung, TMR perlu menata kawasan konservasi satwa ex-situ dengan tema lanskap alami yang menyerupai habitat aslinya. Simulasi habitat yang alami dapat terbentuk dari penataan kawasan berbasis bioregion. Oleh karena itu, diperlukan suatu studi untuk mengetahui karakteristik habitat satwa yang mempengaruhi perencanaan lanskap tersebut. Tujuan dari penelitian ini adalah menyusun rencana lanskap TMR berbasis bioregion. Metode perencanaan lanskap dilakukan dengan survei, analisis deskriptif, dan analisis spasial. Tahap analisis yang dilakukan yaitu menganalisis konsep bioregion melalui analisis karakteristik bioklimat yang merupakan faktor signifikan penyusun bioregion, menganalisis karakteristik eksisting kawasan konservasi ex-situ TMR, dan menyusun rencana lanskap. Hasil penelitian berupa perencanaan lanskap kebun binatang yang berupaya menyediakan ruang untuk mendukung fungsi utama dari kebun binatang tersebut. Perencanaan lanskap TMR ini menghasilkan rencana ruang, rencana aktivitas dan fasilitas, rencana sirkulasi, dan rencana vegetasi., Taman Margasatwa Ragunan has been serviced as a conservation, education, research, and outdoor recreation functions. TMR arranges an ex-situ wildlife conservation area with a natural landscape resembles its natural habitat. This is in line to supports the welfare of its animal, and provide to visitors a total environtmental experience and an opportunity to rediscover the beauty and value of natural fauna and flora in urban oasis. In line with the efforts, TMR needs to organize ex-situ animal conservation areas with natural landscape themes that resemble their natural habitat. Natural habitat simulation can be formed from the arrangement of bioregion-based areas. Therefore, a study is needed to determine the characteristics of animal habitats that affect landscape planning. The purpose of this study is to develop a bioregion-based TMR landscape plan. This landscape planning method is based on a field survey, descriptive and spatial analysis. The results of research in the form of zoo landscape planning which seeks to provide space to support the main functions of the zoo. The TMR landscape planning then produces spatial plans, activity and facility plans, circulation path plans, and vegetation plans.
Keyword: bioregion, ex-situ conservation, habitat simulation, landscape planning, Taman Margasatwa Ragunan

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