Judul: Hubungan Penggunaan Lahan dengan Bentuklahan di Daerah Pesisir Kabupaten Cianjur
Abstrak: Java Island is the most dominant volcano area in Indonesia. Many volcano and different land form disseminate cause the variaty of land uses in Java Island. The aims of this research are to mapping land uses from IKONOS imagery, to mapping land forms from SRTM-30 Imagery, and also relation between land forms and land uses in south coastal Cianjur Regency. The mapping of land forms is done use SRTM 30 imagery based on approach of morphocronology, morphography, morphogenesys, and morphometryc. Land uses map is made with focus to some supporting interpretation keys in on screen deleniation. The most dominant land form in south coastal Cianjur Regency is old denudational volcanic mountain area (16.1%) that disseminate in east area. Seen by some land forms aspect (morphography, morphometryc, and morphogenesys), land uses in south coastal Cianjur Regency is dominated by forest, mix garden, and paddy field. Forest dominate at mountain area land form with rather steep slope until very steep slope from denudational volcanic process. Mix garden dominate at hill and valley area with slight until rather steep slope from vulcanic and fluvial denudational process. Paddy field dominate at plain land form with flat until slight slope from marine process. Based on double regretion analysis result between land uses as no release variabel and land forms aspect (morphometryc and morphogenesys) as release variabel, show that relation between both of them is significant influence according to statistics. The relation of both variabel have R2 value between 78% until 92% that is dominated influneced by morphometry aspect.
Keyword: Bogor Agricultural University (IPB), volcano, slope, landuse, andform

Judul: Analisis hubungan antara penggunaan lahan dan bentuk lahan di wilayah bandung utara dan kajian resiko bencana alam vulkanik
Abstrak: Northern Bandung area is an area that rapidly changes into recreation area, mainly recreation about Mt. Tangkuban Perahu. With the increasing number of tourists that visits the area, will give effect on the rapid changes of landuse and it’s dynamics on civilians fulfilling their social-economic needs. Mt. Tangkuban Perahu is considered as an active volcano, but rapid changes of landuse near the volcano keeps increasing. Thus, evaluating and studying about landuse changes will be interesting, mainly done by connecting with geomorphology conditions of the area, and Volcanic Disasters and risks. The purposes of this research are (1) to identify and map land cover/land use from 2 different years using Satellite Image SPOT 1987 and Landsat ETM+ 2005 (2) Analyze the influence and connection between land cover/landuse with landforms (3) Analyze and map volcanic disasters and risks within the research area. Based on the results of analysis, landuse used for settlements and vegetable ranches are 2 landuses that is dominantly increasing within the area. Vegetable ranches are mainly spread in many landforms, but settlements are mainly spread in only 2 landforms (Lacustrine Lands, and Plateau Ignimbritic).This was caused because of the two landforms that is mainly flat in morphologic conditions.Settlements have a morphologic limitation that is, can only be built on flat topographies. Kecamatan Cimenyan has the lowest rate of volcanic disasters and volcanic disaster risks that will threaten the area. On the contrary, Kecamatan Parongpong has the highest rate of volcanic disasters and volcanic disaster risks that will threaten the area. Thus, Landuse Planning that concentrates also on mitigation/prevention of volcanic disasters mainly in these 2 areas are needed to prevent further damage effects in the future.
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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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