Judul: Kontribusi sumberdaya hutan terhadap pendapatan masyarakat di sekitar Taman Nasional Gunung Gede Pangrango: studi kasus di Desa Cinagara dan Desa Pasir Buncir, Kec. Caringin, Kab. Bogor, Jawa Barat
Abstrak: This study generally aims to measure and compare the contribution of forest resources to the community household income between communities Model Village Conservation (MDK) and non-conservation in the buffer zone of Mount Gede National Park Pangrango and analyze the factors that influence it. This research was conducted in September-October 2010 with the selection of respondents using purposive sampling method. The number of respondents who were taken were 30 respondents per village so that the whole of 60 respondents. To know the factors that significantly affect the value of forest resources which are utilized by multiple linear regression analysis of SPSS 11.0. Research results show the value of forest resources are utilized for the Village Cinagara Rp. 3.163600 per year.Type of forest is the most widely used type of wood forest products that have a percentage of 47% of the total. The value of forest resources which are utilized by the village of Sand Buncir (Non MDK) is Rp. 3.559 million per year, Type of forest is the most used is the type of wood forest products with a percentage of 37.65% of the total value of forest resources are utilized. The contribution of forest resources on public revenue for the Village Cinagara (MDK) constituted 20.27% while for the Village of Sand Buncir (Non MDK) amounted to 25.38%. When viewed from the respective forest resource values that utilized both Cinagara Village (MDK) and the Village of Sand Buncir (Non MDK) difference is not significant. Cinagara Village as Model Village Cinservation is expeected to help in the management of conservation forest, not all helpful in their management since these villages still rely on forest as a place of fulfillment needs. Characteristics of respondents who had significant effect on the value of forest resources are exploited is the level of education and income people from outside the National Parks pangrango Gunung Gede. If the respondent education level higher then the value of forest resources are exploited is lower, as earnings or revenue if people from outside the region TNGP high then the value of forest resources are utilized lower.
Keyword: 

Judul: Studi pemanfaatan hasil hutan oleh masyarakat sekitar Taman Nasional Gunung Gede Pangrango : Studi kasus : Kec. Sukaraja, Kab. Sukabumi, Prop. Jawa Barat
Abstrak: Hutan memberikan manfaat langsung (tangible) dan manfaat tidak langsung (intangible). Dari kedua manfaat di atas tidak semuanya teridentifikasi dalam hal jenis, jumlah, volume dan nilai baik secara lokal, regional maupun nasional. oulisan enturmkan karya Hasil hutan yang memberikan manfaat langsung berupa kayu sebagian besar telah dinilai, tetapi untuk kayu bakar belum ada ketentuan nilainya. Sedangkan untuk non-kayu baru sebagian kecil saja yang telah dinilai dan dipasar- kan. penulisan Pendekatan yang digunakan dalam menilai besarnya manfaat tangible adalah metode nilai pasar untuk barang yang belum ada pasar dan dikenal masyarakat secara luas, dan pendekatan nilai relatip serta biaya pengadaan. Tujuan penelitian ini adalah untuk mengidentifikasi jenis-jenis hasil hutan yang biasa dimanfaatkan masyarakat desa sekitar hutan dan kontribusinya terhadap pendapatan masyarakat, menilai hasil hutan, mempelajari karakteristik rumah tangga pemungut hasil hutan, membuat persamaan peramalan nilai pemanfaatan hasil hutan berdasarkan faktor-faktor yang berpengaruh...
Keyword: 

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.
Keyword: