Judul: Kajian pengelolaan agroforestri dan konservasi keanekaragaman hayati
Abstrak: Presence of forest area which setted by government such as IUPHHK and nature reserve area are unable giving welfare to surrounding comunities. Deforestation is occur in that forested area which sooner or later will bringg the forest area to the point where unable to supply the wood demand. Non timber forest product is main product of agroforests in indonesia whereas timber forest product is the secondary product. Even so existence of community-owned agroforest more able giving walfare to the community and agroforest was estimated as an answer where the nature forest unable to supply the wood demand. Purpose of this research is to know the scheme of agroforest management and its benefits for community and biodiversity conservation. Research was held in Gunung Mananggel, Kecamatan Mande, Kabupaten Cianjur, West Java. Start by October 2009 till November 2010. Method that used was interviewing people arround the area and participative observation. the biodiversity research using vegetation analitic and making diagram profil of vegetation. Gunung Mananggel forested area consist of mosaics of few type of agroforest which at least consist of two canopy level. land of this area managed by farmers using agroforestry system. At least three types cyclical agroforest which indistinguishable exactly. that were durian agroforest, rubber plant agroforest and mixed agroforest. The benefit of this area to people especiallu farmers as a main source of livelihood such as source of fuelwood, woods supply, source of vegetables and complementary foods. Gunung Mananggel area has role to nature resource conservation as water catchment area and wildlife area. there are more than 39 species avifauna, two species primate and two another mammals.
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Judul: Pengetahuan Lokal dalam Pengelolaan Hutan (Kasus di Desa Cijagang dan Desa Sukamulya Kabupaten Cianjur Provinsi Jawa Barat)
Abstrak: Villager, living around the forest, are depending their life on natural resources. This community exploit natural resources based on their local knowledge. Local knowledge is dinamically change over time, this issue makes this subject interesting for research that potentially enrich the local knowledge of the community. This reasearch is focused on farm forest management. It would concern issues about changes in local knowledge over time and also the role of local knowedge in economic life, environment sustainability, and social interaction among the community. Local knowledge have an important role for the community in their economy, ecology, and social life. Economically, local knowledge is important to help the community in making appropriate decision in investing an economically best valued plant and deciding the right farming technology to be used. Ecologically, local knowledge is important to guide the community to sustain the environment. Socially, local knowledge is important to help the community having a healthy social life by helping each other. Therefore the existance of local knowledge among the community have an important role in fulfilling the prosperity without ignoring the sustainable environment and social relationship among the community. This reaseach was held in March to April 2008 at Cijagang and Sukamulya villages, Sub district of Cikalongkulon. It took 60 respondents, 30 of them came from Cijagang and the other 30 came from Sukamulya. The data were collected by interviewing responden, observation and study of literature. The Data processed and analyzed by method of reduction, data presentation, and taking conclusion. Local knowledge in a form of cultural theme can be elaborated in many actions and ideas. Cultural theme in a farm forest management can be realized as land preparation, seed preparation, planting, cultivation and maintenance, and harvesting. This reasearch found some changes in local knowledge at Cijagang and Sukamulya community. In a land preparation, at ancient time people used to think that ritual is a must, but nowadays ritual is not abseloutely had to be done. In a seed preparation, at ancient time seed was collected from nature and prepared using traditional tools, but nowadays seed can be found in the nursery and prepared using modern tools . In a planting, at ancient time planting season begin by the traditional forecasting (direct stars observation by the farmer), but nowadays planting season begin by the modern weather forecasting. In a maintanance, at ancient time there are some custom rule that control the dislodgement of wild animal, but nowadays the rules are often ignored. In a harvesting, at ancient time incisions were done in a certain time with a certain consideration, but nowadays it does not have to through certain consideration. Local knowledge that exist among the Cijagang and Sukamulya community have important role in economy, ecology, and social life. 6 Economically, local knowledge in a land opening (observation of the direction and velocity of the wind during the land burning) has sustain the fertility of the land and increased harvest. Ecologically, local knowledge that encourage farmer to use natural substance instead of chemical substance help the community to sustain their environment. Socially, local knowledge help
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Judul: Karakteristik Piezoelektrik Film LaxSr₁-xTiO3 di atas Substrat TCO
Abstrak: Studi material perovskite SrTiO3 sudah banyak dilakukan dan menunjukkan sifat feroelektrik, piezoelektrik, kuantum paraelektrik dan superkonduktor yang baik. Dengan penambahan dopant La2O3 diduga menambah performa sifat piezo dan karakteristik lainnya. Karakteristik film LaxSr₁-xTiO3 (LST) dengan variasi x= 0, 0.02, 0.04, 0.06 terbentuk pada suhu annealing 550 oC di atas substrat TCO melalui metode (Chemical Solution Deposition) CSD dan spin coating dengan 700 rpm pada kondisi suhu ruang dan tekanan atmosfer standar. Hasil menunjukkan, semakin banyak pendadah La maka nilai ketebalan film, ukuran rerata kristalit, parameter kisi, transmitansi, nilai konduktivitas (maksimum 589.7 S/cm pada sampel x=0.04 di frekuensi 10 Hz), nilai konstanta tegangan (c) dan muatan (d) piezo semakin meningkat. Dinamika bentuk grafik nilai tegangan (V) dan konstanta regangan mekanik (s) nampak mirip. Nilai V mencapai 0.127 V untuk x=0.06 (beban 50 g). Nilai maksimum c, d, s masing-masing mencapai 20.07 Vm/N, 1.14x10-8 C/N, 13642.71. Nilai band gap untuk x=0, 0.02, 0.04, 0.06 masing-masing 3.21 eV, 3.1 eV, 2.6 eV, 2.4 eV. La2O3 menambah performa sifat piezo, sehingga LST berpotensi sebagai sensor tekanan.
Keyword: CSD method, La2O3, LaxSr1-xTiO3, piezoelectric, TCO