Judul: Penyusunan Desain Wisata Minat Khusus Berdasarkan Pola Pergerakan Badak Jawa di Taman Nasional Ujung Kulon
Abstrak: The purpose of this study is to develop a design special interest tourism (SIT) based on the pattern of movement, characteristic of activity sites and behavior patterns of the javan rhino (Rhinoceros sondaicus Desm, 1822) in Ujung Kulon National Park. Data collection was conducted from January until May 2012 in Citadahan, Cibandawoh, Cigenter and Nyawaan of Ujung Kulon Peninsula. Data on movement pattern was collected according to trajectory scheme. Activ sites was compiled from sample plot, while behavioral pattern was captured and identified from video trap data in 2011 and compiled into an ethogram. SIT aspect was acquaired by interview and quitionnare. Minimum outer convex polygon was used for home range calculation, and analysis binomial regression was used to determined characteristic of rhino activity sites while descriptive analysis was used to determined behavioral pattern and SIT design. Javan rhino movement patterns tend to use the same track regularly and create a polygonal pattern. Movement is influence by sex, age and availibity of ideal habitat. Male javan rhino has a larger home range than female, and home range of an independent female rhino is larger than females with calf. Characteristic of rhino activity sites are different between feeding, dung, wallowing and resting places. This research found that the javan rhino active mostly during the night, while wallowing is mainly during the day. Recomendation for SIT design base on javan rhino movement pattern are : a) observation bathing activities of javan rhino on the beach by camping, b) observation bathing activities in the river by canoeing, c) observation wallowing and/or bathing activities by using rangoon
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Judul: Sebaran spasial dan model kesesuaian habitat badak jawa (Rhinoceros sondaicus Desmarest, 1822) di Taman Nasional Ujung Kulon
Abstrak: Javan rhino (Rhinoceros sondaicus Desmarest, 1822) is the most critically endangered species (IUCN 2008). Currently, javan rhino distribution is limited to Ujung Kulon National Park (UKNP), Indonesia. Natural disasters, disease, poaching, encroachment and competition are threats to javan rhino population, hence it is necessary to establish pockets of habitats outside the UKNP which should be based on a study of the spatial distribution and habitat selection by the javan rhino in UKNP as actual habitat. Therefore, the main objective of this study was to develop a habitat suitability models based on the utilization distribution by javan rhino in UKNP. The specific objectives are: 1) to determine the utilization distribution and habitat selection index by javan rhino in UKNP, 2) to identify dominant habitat components that determine the presence of javan rhinoceros in UKNP, and 3) to build a habitat suitability model for javan rhino. The study was carried out in Management Section II area of UKNP, Pandeglang District, Banten Province. The results showed that javan rhinos were mostly occupied areas comprised of swampy shrub (w = 2.197) and shrub (w = 2.012), relatively open habitat (w = 4.233), flat slope (w = 1.313) and sloping areas (w = 1.007), lowland (w = 1.346), close to river (w = 1.087), close to road network (w = 1.395), close to coastal beaches (w = 1.862), close to wallowing areas (w = 3.709) and close to rumpang (open area) (w = 3.783). These indicated that javan rhino selected and had preferences for its habitat. The other results found that there were eight components identified to be the crucial for javan rhino habitat and appropriate for spatial modeling of habitat suitability, i.e. distance from the road, distance from the wallow, distance from the river, distance from the beach, distance from the rumpang (open area), slope, elevation and leaf area index. Dominant factor influencing the frequency of the javan rhino are slope, distance from the rumpang, distance from the wallow and distance from the beach (P<0,005; R2 81,4%). Spatial model of habitat suitability result 11% patches of low suitability, 23,7% patches of moderate suitability and 65,2% patches of high suitability. The validity of the model was 88,6%.
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Judul: Katalis Zink Ferit Tersubstitusi Cu untuk Oksidasi Benzil Alkohol
Abstrak: Katalis berperan dalam menurunkan energi aktivasi. Katalis ZnFe2O4 dan ZnFe2O4 tersubstitusi Cu disintesis menggunakan metode kopresipitasi untuk digunakan dalam oksidasi benzil alkohol. Katalis dicirikan dengan spektrofotometer inframerah (FTIR) dan difraktometer sinar-X. Spektrum FTIR menunjukkan puncak serapan dari ikatan Zn-O dan Fe-O masing-masing pada rentang 559‒575 cm-1 dan 419‒447 cm-1. Difraktogram menunjukkan terbentuknya fase tunggal Zn0.6Cu0.4Fe2O4 pada katalis ZnFe2O4 tersubstitusi Cu 20%. Benzil alkohol dioksidasi dengan sistem refluks. Konversi benzil alkohol meningkat dengan meningkatnya suhu. Kadar benzaldehida yang dihasilkan dengan katalis ZnFe2O4 tersubstitusi Cu 20% lebih tinggi dibandingkan dengan katalis ZnFe2O4 yang tidak tersubstitusi dan yang tersubstitusi Cu 60 dan 80%. Hal tersebut menunjukkan bahwa katalis ZnFe2O4 tersubstitusi Cu 20% memiliki kinerja yang lebih baik dalam oksidasi benzil alkohol menjadi benzaldehida dengan kadar benzaldehida 8.763%.
Keyword: Benzil alkohol, katalis, oksidasi, ZnFe2O4