Judul: Analisis kebijakan pemanfaatan ruang pesisir dan laut kepulauan seribu dalam meningkatkan pendapatan masyarakat melalui kegiatan budidaya perikanan dan pariwisata
Abstrak: Penelitim ini bertujuan untuk: menentukan kapasitas sumberdaya alam yang mendukung kegiatan budidaya perikanan dm pariwisata; mengkaji nilai ekonomi kegiatan budidaya perikanan dm pariwisata; mengidentifikasi f&orfaktor strategis yang mempengaruhi pemanfaatan ruang kawasan dalam rangka meningkatkan pendapatan masyarakat; dan merumuskan alternatif kebijakan yang dapat meningkatkan pendapatan rnasyarakat melalui kegiatan budidaya perikanan dan pariwisata secara berkelanjutan. Penelitian dilakukan di Kepulauan Seribu. Metode analisis terdiri atas: analisis data spasial dengan metode sistem informasi geograf~s, analisis kesesuaian lahan, analisis biaya manfaat, dm analisis A'WOT untuk menentukan prioritas alternatif kebijakan pemanfaatan mang pesisir dan laut.
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Judul: Policy Analysis of Coastal and Marine Land Use ofSeribu Islands in order to Generate Community Income through Aquaculture and Tourism Activities.
Abstrak: Penelitian ini bertujuan untuk: menentukan kapasitas sumberdaya alam yang mendukung kegiatan budidaya perikanan dan pariwisata; mengkaji nilai ekonomi kegiatan budidaya perikanan dan pariwisata; mengidentifikasi faktorfaktor strategis yang mempengaruhi pemanfaatan ruang kawasan dalam rangka meningkatkan pendapatan masyarakat; dan merumuskan altematif kebijakan yang dapat meningkatkan pendapatan masyarakat melalui kegiatan budidaya perikanan dan pariwisata secara berkelanjutan., This research aims to determine natural resources capacity which supports aquaculture and tourism activities; to calculate economic values of tourism and aquaculture activities; to identify strategic factors influencing land use in light of generating community income; and to formulate alternative policies which are able to generate community income through sustainable tourism and aquaculture activities.
Keyword: Fisheries, cage culture, sea ranching, restocking, seaweed longline, pen culture, natural resources

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