Judul: Analisis Ekonomi Wisata Alam Berkelanjutan Taman Wisata Alam (Twa) Gunung Meja Manokwari Papua Barat
Abstrak: Taman Wisata Alam (TWA) Gunung Meja is one of the developing tourist and conservations which is in Manokwari and it has the potency to develope to become the natural tourism area. Now the existance of TWA Gunung Meja is in the crisis condition caused by the society interaction in the area, such as the farming, cutting down the wood, top Soil and rocks, the garbage throw and there is no public fasility and supporting facilities. In the developing of economy analysis can be concluded that TWA Gunung Meja offers the aestetic, various flora and Fauna, Natural Cave, and historical sites.The destiny of tourist to TWA Gunung Meja is to entertain of natural panorama, hiking, caving, researching on flora and Fauna and the visit to the historical sites. The economic value of natural tourism TWA Gunung Meja is IDR 592.154.197 annualy and the value of natural tourism development TWA Gunung Meja is IDR 217.940.375. From social analysis, the society from TWA Gunung Meja is very conducive in supporting and ready to participate by paying to the development program on natural tourism in TWA Gunung Meja. While in the Environment analisys, the maximum amount of tourists who can visit to TWA Gunung Meja without changing the physical condition or to decrease the quality of the environment is 58.092 tourist per visit and maximum capacity for the tourist perday 174.211 persons.
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Judul: Analisis Finansial dan Ekonomi Pengembangan Taman Wisata Alam Telaga Warna Sesuai Daya Dukung Kawasan
Abstrak: Nature Tourism Park (TWA) of Telaga Warna is one of the conservation areas which has the potential for development in terms of visitors and beauty. To achieve optimal development potential and overcome limited funds in the area management, on the basis of goverment regulation year 1984 on the exploitation of nature tourism, in 2003 the Natural Resources Conservation Agency (BKSDA) was patnered with PT LDK to develop the area of TWA Telaga Warna. The development of TWA Telaga Warna provides positive impact in the increased number of visitors, but on the other hand, an uncontrollable increase in the number of visitors is feared to trigger a decline in the resource quality. The development of Telaga Warna requires a study of area carrying capacity so that do not exceed the carrying capacity. Moreover, an economic analysis is required to measure the positive and negative impacts during the tourism are development, especially for the surrounding ecosystem. The study results show that the condition of TWA Telaga Warna is still far below the area carrying capacity threshold. While the result of economic feasibility of TWA Telaga Warna development is economically feasible, meaning that development of the area provides does not endanger the sustainability of natural resources and many benefits for provides, society and ecosystems.
Keyword: TWA Telaga Warna, Economic Analysis, Carrying Capacity

Judul: Hydroxyapatite-Chitosan Composite Coating on Stainless Steel 316 to Improve Corrosion Resistance
Abstrak: Metals that were used in bone implantation should have good corrosion resistance that were not easily corroded when implanted into the body. Metal corrosion resistance of stainless steel 316 can be enhanced through the metal coating by hydroxyapatite-chitosan composite with composition ratio of hydroxyapatite (gram) and chitosan 3% (mL) 0.2:0, 0.2:0.1, 0.2:0.5, 0.2:1.0, and 0.2:1.5. Besides improving the corrosion resistance of metal, the presence of chitosan also maintain the position of hydroxyapatite on metal surfaces. Corrosion resistance increases with increasing amount of chitosan added and the best composition of hydroxyapatite-chitosan composite was 0.2:1.0.
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