Judul: Evaluasi Kontaminasi Logam di Sedimen Dari Waduk Saguling Dengan Menggunakan Konsep Triad: Sebuah Pendekatan Dalam Pengelolaan Waduk
Abstrak: Saguling reservoir was cascade type reservoir that located in West Java, the reservoir have gotten degradation problem of water quality as result of organic, pesticide, and heavy metal pollution coming from antropogenic activity and also naturally. Existence of heavy metal in aquatic area has tendency for binding with particulate material as sediment compiler and has potency for bioavailable for aquatic biota. Therefore its required a research which integrated to express level of metal bioavailability which bound at sediment like ioning triad concept ( combine information from chemical analysis, community structure, and toxicity test). This research has been done in the year 2006 with aim to predict level of metal bioavailability Cu, Cd, Pb, and Hg in sediment using triad concept approach. Sediment Heavy metal contamination Result in each station showed heavy significant differences for Cd ( F= 17,803 and p = 0,00001), Pb ( F= 154,343 and p < 0,01), Cu ( F= 36,499, P<0,000001), and Hg ( F= 12,49 and p=0,00000). Elevation of Heavy metal contamination in sediemet usually is followed with disturbance of community structure for benthic macroinvertebrate and increasing of sediment toxicity status (Maroko, Cihaur, Cangkorah, Batujajar, and Nanjung station). At the others station existence of benthic macroinvertebrate community disturbance and height of sediment toxicity were caused by other factor besides heavy metal. Combined Result between triad radar graphs and multivariate analysis (PCA) indicated Cu, Hg, and Pb that have bioavailable potency in Saguling Reservoir. Statistically Cd has not enough evidence generating Hydra toxicity and disturbance of benthic macroinvertebrates community. Result of this research is a strategy to study bioavailability pollutant which binding in sediment for managing reservoir caused by exposure toxic materials in aquatic environment.
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Judul: Sebaran Logam Berat Hg, Pb dan Cd pada Air di Waduk Saguling Kabupaten Bandung Jawa Barat
Abstrak: Saguling Reservoir is one of the most large reservoir which received its load pollution from Citarum watershed. Many activities either industrial, household and agricultural use materials containing heavy metals Hg, Pb and Cd in production process dumped into waters without any wastewater treatments, that causing water quality of the reservoir decrease. Analysis of heavy metals Hg, Pb and Cd in Saguling reservoir was done by atomic absorption method and the distribution of metals in waters was used software Ocean Data View. The results showed that the concentration of heavy metals Hg, Pb and Cd were exceeded the standard quality with the levels of heavy metals Pb>Hg>Cd. Distribution of the three metals were high in the inlet and low in the middle of resevoir.
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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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