Judul: Analisis Ekologi Bentanglahan untuk Penentuan Potensi Sumberdaya Air (Studi Kasus: DAS Cimadur, Banten)
Abstrak: Indonesia was predicted would have water crisis in 2025 in the World Water Forum II in the Hague in March 2000. Most of the cause has been by the weaknesses in water management. Study of water and its high demand has been associated with shapes and physical characteristics of an area. Topographic factors play an important role in determining spatial pattern water resources. In this research, Topographic Wetness Index (TWI) is implemented to determine spatial pattern of surface water saturation zone. Cimadur watershed was selected as one of main watersheds in Lebak, Banten which has been contributing on flood hazard. Study on TWI in Cimadur watershed has became important because it could show distribution points containing concentration of water and therefore useful for determining potential inundation as well as areas potentially storing water in the watershed. This research aims to: (1) Identify types of landform, land use, and slopes using remote sensing data (Google Earth imagery, ALOS AVNIR-2 imagery, and SRTM imagery), (2) Conduct analysis of TWI to obtain the distribution of spatial pattern of surface water saturation zones, and (3) Conduct an analysis of the landscape ecology (landform, land use, slope, and grade TWI) using landform as unit of analysis for determination of potential water storage. Landscape ecological analysis shows that Cimadur watershed is dominated by Tertiary denudational volcanic landforms (DV1 and DV2), which covers 10.046 Ha, mixed-use garden covers 8.952 Ha, the slope of 15-30% (steep) covers 8.534 Ha, and middle TWI class (= grade 2) covers 20.987 Ha. It shows that ecological conditions in test site are still at safe water saving, however, the area is fairly vulnerable to climate change or land cover/land use change. These are due to dynamics of water flow in the area during rainy and dry seasons.
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Judul: Analysis of Cidanau River Discharge using SWAT Application.
Abstrak: management. The water demand always increases in line with the growths of population, industry and business, but the water availability is ascertained to satisfy those needs continuously. Therefore, it is necessary to analyze water availability in a specified watershed integrated with various aspects in hydrology. The objective of this study was to determine water availability in Cidanau watershed by analysing the relationship of rainfall and river discharge using the Soil and Water Assesment Tool (SWAT). The watershed is located in Banten Province and covering 22 620 ha. Input data were Digital Elevation Models, land use, and soil map. The procedures were including collection and process of climate data, trend analysis of water availability, determination of dry periods, discharge measurements, discharge analysis and calibration using SWAT. The results showed that water demand would reach 2.854 m3/s in 2020 while the estimated of average discharge was 5.282 m3/s, and the minimum discharge was 0.5 to 1 m3/s. Dry periods occurred from May to October with the average of 171 days per year. SWAT has generated 461 HRU that described the spatial condition of the whole watershed. Calculated discharges with SWAT compared to the measured discharges having The Nash-Sutcliffe Index of 0.534, and correlation coefficient of 0.68. Since this study used limited data then further studies should be continued by collecting more data of discharges and climates.
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Judul: Infeksi Virus Parainfluenza Pada Anjing
Abstrak: Virus parainfluenza anjing termasuk famili Paramyxoviridae, berbentuk pleomorf dengan ukuran bervariasi (bergaris tengah antara 100-500 nm), berpembungkus peka ether, berisi genom RNA dan secara serologis mempunyai kesamaan dengan virus SV-5 kera; dikenak sebagai salah satu kausa penting dari sindrom "kennel cough". Infeksinya dapat mengenai anjing semua umur yang belum pernah terinfeksi atau mendapatkan vaksinasi mengakibatkan gejala klinis ringan yang terbatas pada traktus respirasi atu infeksi yang secara klinis tidak memperlihatkan gejala nyata. Gejala klinis yang nampak setelah masa inkubasi (1-5 hari) terlewati berupa batuk yang tidak berat selama beberapa hari, berbagai tingkat tonsilitis dan pharyngitis dan kadang-kadang ditemukan kenaikan temperatur rektal antara 1-2 derajat C dari temperatur normal rat-rata. Anjing terinfeksi mengandung virus pada traktus respirasi bagian atas dan bawah serta limfonoduli sampai hari ke 9 setelah infeksi. Penyebaran virus antar anjing terjadi secara aerogen.
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