Judul: Keanekaragaman Jenis dan Nilai Ekonomi Satwa Liar yang Digunakan Sebagai Obat di Jawa Tengah
Abstrak: Indonesia has high biodiversity and endemism, however extinction rate is also high. Excessive harvesting and habitat destruction by human activity were the dominant factor leading to species extinction and biodiversity loss. Most of the people depend on biodiversity as foods, medicine and housing, but sometime they heedless sustainable utilization. This research was aimed to identify wild animal diversity utilized as traditional medicine and its economics value in Central Java. Research was carried out from May to August 2007 in Central Java Province. Information was obtained through semi structured questionnaires applied to 105 respondents from 19 sub-provinces. I recorded 54 animal species utilized in traditional medicine, 42 of which are wild animal species (vertebrates), 10 avertebrates and 2 livestock animals; whose products were recommended for the treatment of 50 types of illnesses. The most frequently quoted treatments were for respiratory system (20 species), skin disease (18 species) and increasing stamina and appetite (14 species). Reptiles (21 species), followed by mammals (11 species) and fishes (4 species) represented the bulk of medicinal species. Medicinal wild animal is not only used for local consumption, but also exported. The economic value of wild animal to human health in Central Java is estimated to reach Rp.1,421,714,004 per year. Excessive harvesting of medicinal wild animal might increase species loss which resulted in extinction. However, if harvest and trade are based on sustainable utilization, it will not only increasing economic benefit but also generate effort for conservation.
Keyword: Species diversity, Economic value, Medicinal wild animal, Central Java, Obat tradisional

Judul: Estimasi Total Nilai Ekonomi Biodiversitas Tumbuhan Obat di Taman Nasional Kerinci Seblat (Studi Kasus: Kawasan Gunung Tujuh, Kerinci Utara, Provinsi Jambi)
Abstrak: Biodiversitas tumbuhan obat adalah jenis tumbuhan yang memiliki khasiat mengobati berbagai macam penyakit, khususnya dimanfaatkan manusia. Tujuan penelitian ini untuk mengidentifikasi tumbuhan yang berpotensi sebagai bahan obat, mengestimasi potensi nilai ekonomi biodiversitas tumbuhan obat, dan mengestimasi total nilai ekonomi biodiversitas tumbuhan obat. Terdapat 327 tumbuhan yang berkhasiat sebagai bahan obat di Kawasan Gunung Tujuh, TNKS. Masyarakat hanya mengetahui 43 manfaat dari 79 tumbuhan obat yang dimanfaatkan sebagai bahan obat. Masyarakat sekitar menggunkan 79 jenis tumbuhan obat dari 327 tumbuhan obat yang ditemukan. Estimasi total nilai ekonomi biodiversitas tumbuhan obat di Kawasan Gunung Tujuh, TNKS Rp 4.444.640.707.576, yang terdiri dari total nilai guna pemanfaat langsung Rp 332.318.182,-, total nilai pilihan Rp 4.444.195.650.000,-, dan total nilai keberadaan Rp 112.739.394,-. Implikasi kebijakan yang diterapakan terhadap pihak-pihak terkait adalah sebagai salah satu bentuk dukungan terhadap kegiatan konservasi dan pelestarian hutan.
Keyword: Biodiversity, Market prices, Non use value, Stated preference methods, Biodiversitas

Judul: Characterizations of low alloy steel sae 4422  plated with chromic acid (Cro3)
Abstrak: Characterizations of low alloy steel SAE 4422 plated with chromic acid (CrOrO3) was use Optical Microscopy (OM), Scanning Electron Microscopy (SEM), X-Ray Diffraction (XRD), RD),Energy Dispersive Analysis of X-Ray (EDAX), Hardness Test and Roughness Test. Microstructures analysis exhibits cracks and grain boundaries microcracks as a characteristics of chrome metal found at plating metal. Perlite and Ferrite as grains of steel found at base metal with grain boundaries around it. Phase analysis of plating metal appropriate to chrome metal with lattice constant (a) is 2.559 Å and phase analysis of base metal appropriate to iron ferrite with lattice constant (a) is 3.318 Å. Both plating and base metal have cubic system. Chemical analysis of plating metal at surface section exhibits that cracks area have highest value of carbon element compare with grains and grains boundaries area. While chemical analysis of base metal at cross section exhibits that perlite have highest value of carbon element compare with ferrite and grain boundaries. The hardness value of plating metal at surface section and cross section are 753 and 637 VHN. While, the hardness value of base metal and interface area at cross section are 205 and 373 VHN. The roughness value at measurement points of chrome surface for as received sample are 0.445 μm. Observation used Optical Microscopy and Scanning Electron Microscopy exhibits surface irregularities combine to form surface texture of plating metal at surface section.
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