Judul: Analisis Faktor-Faktor yang Mempengaruhi Land Rent Pemukiman di Sekitar Ruang Terbuka Hijau, Studi Kasus Hutan Kota Srengseng Jakarta Barat
Abstrak: Lahan merupakan salah satu sumberdaya yang menjadi input kebutuhan manusia. Permintaan lahan yang selalu meningkat terutama untuk pemukiman perkotaan membutuhkan pengelolaan yang baik agar tercipta tingginya nilai land rent. Nilai land rent meningkat salah satunya disebabkan tersedianya Ruang Terbuka Hijau (RTH) di daerah tersebut. Penelitian ini bertujuan mengidentifikasi persepsi masyarakat pemukiman di sekitar Hutan Kota Srengseng (HKS) terhadap keberadaan RTH tersebut. Mengidentifikasi faktor-faktor yang mempengaruhi nilai land rent pada lahan pemukiman disekitar Hutan Kota Srengseng. Metode yang digunakan adalah metode deskriptif dan Hedonic Price Method (HPM). Hasil penelitian ini menunjukkan bahwa persepsi masyarakat terhadap keberadaan HKS adalah mayoritas berpendapat HKS memberikan dampak yang positif bagi masyarakat. Faktor-faktor yang mempengauhi land rent pemukiman di sekitar HKS adalah jarak lahan ke jalan raya.
Keyword: lahan, pemukiman, hutan kota srengseng, land rent, Hedonic Price Method

Judul: Dampak Keberadaan Ruang Terbuka Hijau terhadap Harga Pemukiman di Perumahan Berkonsep Green Living Kota Bumi Serpong Damai Tangerang
Abstrak: The Green BSD is one of residential that has a concept of green living. House prices offered is the value of the characteristics of the housing itself. The presence of a green residential area which emphasizes aspects of green open space is able to add value to the house so that makes its price higher. Research objectives of this study were to identify community perceptions in assessing the aspect of the existence of green open space as seen from its presence either in public or private around the houses, identification of factors that affect the price of the house and the analysis of the effect of green space on house prices, and estimates the economic value of ecosystem services of green open space. The method used in this study is a descriptive analysis and hedonic price method. The result showed that respondents have good perceptions about the presence of public green open space and private green open space located around housing. Based on the results of the double log regression analysis, the factors that affect the price of the house that is the distance to the place of worship, public park distance to the house, spacious yard, and a number of house windows. The economic value of green space is IDR 243.103.448,8. This value is the willingness and ability of people to make opportunity to get the benefits of green space that is represented in house prices.
Keyword: Bogor Agricultural University (IPB), The Green BSD residential, House prices, Hedonic Price Method, Green Residential, Green Open Space

Judul: Bivalent vaccine for Motile Aeromonas Septicemia and Streptococcocis in Nile Tilapia (Oreochromis niloticus)
Abstrak: Etiological agents of common fish diseases are the Gram-negative Aeromonas hydrophila and the Gram-positive Streptococcus agalactiae, both are considered severe fish pathogens on account of their ability to cause damaging disease outbreaks in Nile Tilapia (Oreochromis niloticus). The occurence of co-infections between A. hydrophila and S. agalactiae at Waduk Cirata was about 20% per populations. Clinical signs appeared soon after infection, and include depression or excitability, anorexia, C-shaped body posturing, erratic swimming and whirling, and death. Aeromonas hydrophila and S. agalactiae cultures were not able to inhibit each other and showed negative results from antimicrobial activity, both are succeptible to antibitoics Tetracycline and Chloramphenicol. Nile Tilapia also were clinically examined and necropsied for histopathology, samples were taken from kidney, brain, liver, and spleen. Histopathological lesions were grouped into two characteristic patterns. The first pattern consisted focal lesion and inflammation. The second pattern consisted of multifocal lesion, necrotic, and inflammatory lesions resulting organ deformation. The mortality patterns of Nile Tilapias showed acute and chronic infections to Motile Aeromonas Septicemia, sub-acute infection to Streptococcocis. There was a homeostatic balances on hematological respons during co-infection. Aeromonas hydrophila AHL0905-2 and Streptococcus agalactiae N14G, were used as an inactivated A. hydrophila and S. agalactiae vaccine. Different vaccine preparations and formulations for vaccination of Nile Tilapia species were tried by adding neutral buffered formalin 3% to the bacterial culture (bacterin). The safety of formalin inactivated vaccine is still questionable by some aquaculture practitioners, but the sterility and safety test results of the bivalent vaccine was safe to use through intraperitoneal injection route. An antibody response was detected at the 1st week that rose significantly (p<0.05) at the 3th week post immunization in all the immunized groups. Similarly, there were significant difference (p<0.05) in the humoral immune response between groups immunized with single and mixed bacterial antigens. Upon challenge with single pathogen, a high relative percent survival was recorded in the group immunized with mixed bacterial antigens and was comparable to those fish immunized with the single bacteria. The value of relative per cent survival from bivalent vaccine mixed whole cell+ECP was 100% and 86.2% to single infections and 56.7% to co-infections, indicate that this vaccine was eficient in Nile Tilapia.
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