Judul: Kajian pengelolaan ekosistem mangrove pada kawasan hutan lindung di desa Dabong, Kecamatan Kubu, Kabupaten Kubu Raya, Kalimantan Barat
Abstrak: Ekosistem mangrove di Desa Dabong telah ditetapkan menjadi hutan lindung mangrove karena memegang peranan penting untuk penyangga kehidupan pesisir dan laut. Akan tetapi hal ini tidak sepenuhnya dapat melindungi ekosistem mangrove dari degradasi karena sebagian kawasan mangrove telah dikonversi menjadi tambak oleh masyarakat. Hal ini terjadi akibat lemahnya pengelolaan hutan lindung mangrove. Kajian pengelolaan ekosistem mangrove terutama yang terkait dengan kelembagaan perlu dilakukan agar didapat alternatif solusi kebijakan pengelolaan mangrove yang berkelanjutan. Penelitian ini bertujuan untuk mencari alternatif kebijakan dalam pengelolaan mangrove sehingga untuk itu perlu dikaji situasi dan kondisi mangrove, nilai ekonomi mangrove dan tambak serta akar penyebab permasalahan adanya tambak, pemukimana dan lahan garapan di kawasan hutan lindung mangrove.
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Judul: Penilaian Ekonomi dan Analisis Stakeholder Ekosistem Hutan Mangrove (Studi Kasus: Desa Dabong, Kecamatan Kubu, Provinsi Kalimantan Barat)
Abstrak: Mangrove merupakan ekosistem yang penting bagi masyarakat Desa Dabong. Masyarakat memanfaatkannya sebagai mata pencaharian dan pemasok jasa lingkungan, seperti pelindung abrasi, penyerap karbondioksida, dan tempat pemijahan. Persepsi masyarakat yang cenderung sempit terhadap ekosistem mangrove menyebabkan pemanfaatannya tidak lestari. Penelitian ini bertujuan untuk menghitung nilai ekonomi ekosistem mangrove di Desa Dabong dan menganalisis tingkat pengaruh dan kepentingan stakeholder dalam pengelolaan ekosistem mangrove setempat. Penelitian menunjukkan nilai ekonomi guna ekosistem hutan mangrove Desa Dabong per tahun adalah sebesar Rp56 182 519 050.11. Stakeholder yang terlibat terdiri atas masyarakat umum, Kelompok Nelayan, Kelompok Budidaya Kepiting Soka, Dinas Perkebunan, Kehutanan, dan Pertambangan Kabupaten Kubu Raya, Dinas Kehutanan Provinsi Kalimantan Barat, Dinas Kelautan dan Perikanan Kabupaten Kubu Raya, dan IFAD (International Fund for Agricultural Development), dan Pemerintah Desa.
Keyword: Economic value, management, mangrove forest Kubu Raya, stakeholder analysis

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