Judul: Kajian Eco-Aesthetics Green Panel pada Bangunan Rumah Tinggal
Abstrak: Housing development in Indonesia has not implemented renewable energy resource efficiency yet. Electric energy consumption for building cooling using mechanical air refreshner like air conditioning has achieved level 65%. This cooling system was conducted to establish thermal comfort in house building. Actually, thermal comfort is not only created by modern technology, it could be established through natural element like plants. Main problem in city involves land limitation and raising of land economic value. Plant existence like green open space in urban area is difficult to be maintained. So, the alternative solution is to make plant acquision by verticulture techniques, for example green panel. Green panel has function as a secondary skin which protect building from direct solar radiation in order to create comfortable micro climate inside the building. The purpose of this research was to study eco-aesthetics green panel for house building. The meansurement of parameter are green panel distance of wall building and type of plant used. This research was conducted at a house building in Bogor. House orientation is North to South with main entrance at North. The Method of this research is experimental method with tested parameter in green panel. Tested parameter consists of green panel distance to wall building and type of plant used. Tested distance consists of three variable distance like 0 cm, 50 cm, and 100 cm. While, plant type which used are Althernantera sp., Arachis pintoi, Chlorophytum sp., Cuphea hyssopifolia, and Iresine herbstii. Based on distance position, the best distace of green panel palcement is 0 cm (adhered to wall). In this distance, room temperature decrease on maximum level, that is 0.42°C in indoor condition and 0.79°C in outdoor area. While based on plant type, the best ground cover combination to decrease room temperature are Cuphea hyssopifolia and Iresine herbstii. Reduction level of temperature lies at 0.65°C - 0.79°C in good weather condition. Both of these ground cover also have high quality beauty (aesthetics) by respondent evaluation. Refers to analysis result, green panel combination which best to be applied in house building scale are Cuphea hyssopifolia, and Iresine herbstii which placed on 0 cm from wall building. This combination have high eco-aesthetics quality based on eco-aesthetics classification.
Keyword: eco-aesthetics, green panel, house building, thermal comfort

Judul: Evaluation of Ecological Functions
of Trees in Two Residential Complexes in West Bogor Sub-District
Abstrak: Perumahan di Kecamatan Bogor Barat terus mengalami perkembangan, termasuk Perumahan Pakuan Regency dan Sinbad Green Residence. Letak kedua perumahan yang strategis dan adanya berbagai aktivitas manusia yang mendorong munculnya berbagai masalah lingkungan, menyebabkan tingkat kenyamanan lingkungan menurun. Hal tersebut membuat RTH berperan penting pada lanskap perumahan. Pohon memiliki beragam fungsi ekologis, diantaranya sebagai modifikasi suhu (peneduh), kontrol kelembapan udara, penahan angin, dan peredam kebisingan. Kesesuaian pola penanaman dalam penataan tata hijau diperlukan agar suhu udara pada lanskap perumahan dapat lebih nyaman. Peningkatan suhu udara mempengaruhi kenyamanan termal bagi populasi yang terdapat pada wilayah tersebut. Tujuan penelitian ini melakukan evaluasi terkait fungsi ekologis pohon dan pola penanaman pada RTH kawasan lanskap perumahan serta menilai kenyamanan termal pada Ruang Terbuka Hijau perumahan tersebut. Tahap penelitian dilakukan melalui beberapa tahapan mulai dari tahap persiapan, inventarisasi, analisis, penilaian dan evaluasi, serta rekomendasi. Fungsi ekologis akan dianalisis dengan membandingkan kondisi eksisting dengan kriteria baku fungsi ekologis. Hasil evaluasi ini menunjukkan bahwa vegetasi di Cluster Jaya Dewata pada Perumahan Pakuan Regency unggul dalam hal modifikasi suhu (peneduh) dengan skor sebesar 257, penahan angin dengan skor sebesar 277, dan peredam kebisingan dengan skor sebesar 218. Vegetasi di Perumahan Sinbad Green Residence unggul dalam memenuhi fungsi pengontrol kelembapan udara dengan skor sebesar 263., Housing developments in West Bogor District continue to grow, including Pakuan Regency and Sinbad Green Residence. The strategic location of the two housing and the existence of various human activities that encourage the emergence of various environmental problems, causing the level of environmental comfort to decrease. This situation highlights the important role of green open spaces in the residential landscape. Trees have various ecological functions, such as temperature modification (providing shade), air humidity control, windbreaks, and noise reduction. Proper planting patterns are needed in green space planning to create more comfortable air temperatures in residential landscapes. Increased air temperature affects thermal comfort for the population in the area. The aim of this study is to evaluate the ecological functions of trees and planting patterns in the green open space of residential landscapes and assess the thermal comfort in the green open spaces of these housing areas. The research stages include preparation, inventory, analysis, assessment and evaluation, and recommendations. The ecological functions will be analyzed by comparing existing conditions with standard ecological function criteria. The evaluation results indicate that the vegetation in Cluster Jaya Dewata at Pakuan Regency excels in terms of temperature modification (providing shade) with a score of 257, windbreak function with a score of 277, and noise reduction with a score of 218. The vegetation at Sinbad Green Residence excels in fulfilling the air humidity control function with a score of 263.
Keyword: fungsi ekologis, kenyamanan termal, ruang terbuka hijau

Judul: Peranan virus rota pada diare anak sapi
Abstrak: Virus rota sebagai salah satu agent penyebab diare pada anak sapi telah dapat dipastikan setelah Mebus et al. (1969) di USA berhasil mengisolasinya dari filtrat feses anak sapi (McNulty, 1976). Pada penelitian selanjutnya McNulty (1978) melaporkan bahwa virus rota selain menyerang anak sapi juga babi, domba, kambing, manusia, unggas, kelinci, tikus, anjing, kucing, rusa dan kuda. Durham dan Johnson (1982) mengatakan bahwa virus rota berbentuk bulat dan mengandung RNA serabut ganda yang dikelilingi atau diselaputi oleh kapsid ganda. Dari bentuk tersebut menyebabkan virus rota terlihat menyerupai roda dan dari sinilah nama rota diberikan (rota = roda). Selanjutnya dikatakan bahwa pada kapsid bagian dalam terdapat antigen yang spesifik terhadap group pada semua virus rota tanpa memandang dari hewan apa virus itu berasal. Sebaliknya kapsid bagian luar mengandung antigen yang spesifik terhadap spesies menurut hewan asal virus tersebut dan antigen inilah yang mempunyai aktifitas hemaglutinasi. Struktur virus rota ada dua macam, pertama yang mempunyai kapsid perlapis tunggal tanpa mampu mengaglutinasikan sel darah merah, kedua virus rota dengan kapsid berlapis ganda dengan kemampuan mengaglutinasikan sel darah merah.
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