Judul: Studi Kelayakan Hutan Rakyat Dalam Skema Perdagangan Karbon (Studi Kasus Di Kawasan Hutan Rakyat Kampung Calobak, Desa Tamansari, Kecamatan Tamansari, Kabupaten Bogor, Provinsi Jawa Barat)
Abstrak: Climate change triggered by human activities that produce gases which having a greenhouse effect (Greenhouse Gas/GHG) if it accumulates in the atmosphere, thereby increasing the temperature of the earth's surface and usually called Global Warming. The rate of Indonesian forest destruction caused by deforestation and forest degradation contribute greatly to climate change and global warming. Development of Community Forest could be potential in carbon sequestration and then enter in Carbon Trading Scheme. Initiative to get the incentives for the management of Community Forests through carbon trading in the voluntary carbon market is a concrete step to participate in the adaptation and mitigation of climate change and gain maximum benefit from the ecosystem of the forest resources. So that, it is important to follow up the eligibility analysis of Community Forest in Indonesia to enter into carbon trading. Research conducted at the Community Forest Kampung Calobak, Tamansari Village, Tamansai District, Bogor Regency, Province of West Java during April-May 2010. This study uses content analysis and primary data taken consisted of community forest management conditions, written documents or conventions that can meet the certification scheme of forest resources in a field that requires The Certification Under Third Party Assessment Line C Scheme II PHBML-LEI and Plan Vivo Standards. Secondary data is physical condition, demographic and socio-economic community. The data collection will be done through a search of documents and other printed information resources as well as in-depth interviews as a form of direct communication between researcher and respondent, is also used to obtain primary data. Eligibility of forest certification scheme of kampung calobak to The Certification Under Third Party Assessment Line C Scheme II PHBML-LEI is GOOD Value > 25% x n = 25% x 32 = 8 indicators and FAIR > 50% x n = 50% x 32 = 16 indicators. Thus, based on guidelines LEI certification decision, the community forest management Calobak get the title of "DO NOT PASS". The cause of the lack of graduates, among others: (1) There is no valid data and information concerning any statement or agreement forest management group, (2) Currently there are no documents or information on Areal maps, conditions or profile in the management of human resources, (3) Lack of public knowledge about sustainable forest management, (4) The public and the Government has not understood about forest certification (benefits, importance, etc.). The assessment results of community forest in Calobak under the Plan Vivo Standards only able to meet the four indicators of the 37 indicators or data that should be available. The causes of the gap include: (1) The Local government and the public cannot find out information about carbon trading that can provide a direct incentive, (2) Local and regional market demand was still high. Thus, the factors that can inhibit the certification and carbon trade in community forest are: (a) Forest farmers lack knowledge about carbon trading and certification PHBML, (b) Constrained in the financing, (c) Management and institutional aspects that have not been steady. Meanwhile, factors which can stimulate interest in and signed in to perform certification and carbon trading are: (a)
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Judul: Kemampuan anggota kelompok dalam pengelolaan hutan rakyat di Desa Tegal Waru, Kabupaten Bogor, Provinsi Jawa Barat
Abstrak: Community forest is one alternative to solve problems about unbalance supply-demand on nature forestwood and also poverty around forest area that enhancing high pressure on the forest in Indonesia. The sustainability of community forest management depends on the ability of forest group member to manage the community forest that must have been gained through learning process. This thesis inquires into farmer’s learning process in community forest management, in order to test how external and internal factors influenced ability of forest group member to manage the community forest. The study used explanatory research design with survey method on model community forest area development in Tegal Waru village, Ciampea Sub District, Bogor Regency of West Java. The research was conducted from Februari to December 2012. The data were analyzed descriptively and using multiple regresion method. The findings of the study are: (1) farmer planning ability influenced by farmer’s total income, length time involved in community forest programme, and social norms existing among forest group members; (2) farmer self-organizing ability influenced by number of course attended by farmer, quality of extension material, social norms existing among forest group members, (3) farmer ability to implement influenced by number of course attended by farmer and learnerassistant ability to communicate in the farmer’s learning process; and (4) farmer ability to supervise influenced by farmer’s total income, and production process organization in community Forest.
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Judul: Invers Drazin dari Matriks Toeplitz Singular
Abstrak: Matriks Toeplitz adalah matriks yang setiap unsur pada diagonal utama bernilai sama dan setiap unsur pada subdiagonal yang bersesuaian dengan diagonal utama juga bernilai sama. Matriks singular adalah matriks yang tidak bisa ditentukan inversnya. Akan tetapi, dapat diupayakan untuk ditentukan inversnya menggunakan invers matriks yang diperumum. Invers Drazin merupakan salah satu jenis invers matriks yang diperumum. Pada karya ilmiah ini ditentukan invers Drazin dari matriks Toeplitz singular dengan menggunakan metode Leverrier Faddeev. Kemudian, ditentukan invers Drazin dari matriks Toeplitz singular yang direpresentasikan sebagai penjumlahan segitiga bawah dan segitiga atas matriks Toeplitz berdasar pada teorema Gohberg dan Semencul., Toeplitz matrix is a matrix in with element on the main diagonal has the same value and on the subdiagonal corresponding to the main diagonal also has the same value. Singular matrix is a matrix that has no inverse. However, it can be attempted to determine the inverse using a generalized inverse matrix. Inverse Drazin is a type of generalized matrix inverse. This paper discussed the inverse Drazin for a singular Toeplitz matrix using the Leverrier Faddeev method. Then, the Drazin inverse of the singular Toeplitz matrix which is represented as a sum of products of lower and upper triangular Toeplitz matrix based on Gohberg and Semencul theorem.
Keyword: inverse Drazine, singular Toeplitz matrix