Judul: Pengelolaan komodo (Varanus komodoensis) dan pemanfaatannya sebagai objek wisata di Taman Margasatwa Ragunan
Abstrak: Taman Margasatwa Ragunan (TMR) merupakan salah satu lembaga konservasi dengan pengelolaan berbasis etika dan kesejahteraan satwa TMR juga memiliki fungsi utama sebagai rekreasi dan edukasi bagi pengunjung. Tujuan penelitian ini adalah untuk mengidentifikasi aspek teknis pengelolaan, perawatan, kesehatan dan reproduksi komodo serta mengidentifikasi pemanfatatan komodo sebagai objek wisata. Metode yang digunakan dalam penelitian ini adalah studi pustaka, observasi lapang dan wawancara. Hasil yang diperoleh menunjukkan pengelolaan komodo mencakup empat kegiatan yaitu pengelolaan pakan, perkandangan, kesehatan dan reproduksi. Seluruh aspek pengelolaan sudah sesuai dengan prinsip kesejahteraan satwa. Kandang peraga komodo di TMR dimanfaatkan sebagai objek wisata. TMR memiliki papan informasi tentang komodo dan tour guide bagi pengunjung untuk menambah ilmu pengetahuan pengunjung TMR. Rekomendasi yang diberikan kepada pengelola lebih difokuskan pada pengelolaan pakan, kesehatan dan perbaikan papan informasi untuk pengunjung
Keyword: komodo, management, Ragunan zoo, tourism object

Judul: Pengelolaan Kesejahteraan Musang Luwak dan Pemanfaatannya sebagai Satwa Peraga di Taman Margasatwa Ragunan
Abstrak: Ragunan Zoo is one of the conservation organizations that carried animals management based on the principles of ethics and animal welfare. Beside that, it also has a function as recreation place.The purpose of this research is to identify and analyze management of common palm civet welfare and its of prosperity level in Ragunan Zoo, measuring interests of the visitors Zoo about the common palm civet, and also make recommendations for better management in common palm civet welfare.The results showed that management of common palm civet in Ragunan Zoo consists of three main activities, which are housing, feeding, and health. The welfare of common palm civet in Ragunan Zoo also classified as good. This animal is one of the favorite animals viewed by visitors. The recommendation that Ragunan’s management to put a lot of their attention in cages of common palm civet, because many of the cages are need to be repaired
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Judul: Hamiltonian formulation for linear waves motion in two layers fluid
Abstrak: The surface wave could be considered as a wave that separates two fluids, namely water and air. Based on this assumption, it is introduced the interfacial wave, a wave between two layers of fluid with different density. The formulation of interfacial waves motion begins with deriving the base equation of irrotational ideal fluid. Furthermore, according to irrotational fluid assumption, the base equation can be stated in velocity potential. In this derivation, the fluids domain is assumed to be restricted by rigid lid boundary conditions, both at the upper and lower limit. Therefore, the interfacial waves motion can be explained in a hamiltonian formulation. In the hamiltonian formulation, total energy is defined as the sum of kinetic and potential energy. The hamiltonian system is obtained from reduction of kinetic energy by using the Dirichlet Neumann Operator. The resulted kinetic energy equation is nonlinear. Therefore, this form is linearized by first part of the Taylor expansion. This linearization gives a dispersion relation of linear wave. Based on this dispersion relation, the phase speed of the linear wave depends on the density ratio of the two layers fluid.
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