Judul: Struktur dan komposisi tegakan serta sistem perakaran tumbuhan pada kawasan karst di Taman Nasional Bantimurung-Bulusaraung, Resort Pattunuang-Karaenta
Abstrak: Plants in Karst Area have different characteristics and distinctive when compared with plants of other forest ecosystem. The purpose of research is to assessing the composition and stand structure and root system of plants in karst areas in Bantimurung-Bulusaraung National Park, Resort Pattunuang-Karaenta. This observation plots determined by purposive sampling based on the representation of the stand. Three sample plots lines with the size of 20 m x 100 m each were constructed in the research site. The research was spread out on four habitats that are on hill base, slopes, summit with considerable soil cover, and summit with very little soil cover. The number of species on the research area is amounted 108 species of seedlings and understorey plants, 108 species saplings, 63 species poles and 78 species trees. Horizontal structure inverted J-shaped and vertical structure of the stand consist of four strata (B, C, D, and E strata). Overall, the spatial distribution patterns have a clumped distribution pattern. Uniform distribution pattern is only found in Palaquium obovatum species of pole on slopes and Dracontomelon dao species of tree on base. Pterospermum celebicum has the highest value of shoot-root ratio on the hill base, index root binding highest value with category of moderate (1.5-3.5) on hill base and index root anchoring highest value with the high category (>1.0) on summits with considerable soil cover.
Keyword: Bogor Agricultural University (IPB), stand structure, root system, stand composition

Judul: Komposisi Jenis dan Struktur Vegetasi pada Kawasan Karst Gunung Cibodas, Kecamatan Ciampea, Kabupaten Bogor.
Abstrak: Karst area is carbonated rock area that showing karst morphology, with high valued ecosystem of flora and fauna. One of the karst areas in West Java that has quite alarming condition is Gunung Cibodas, Ciampea subdistrict, Bogor regency. The purpose of the research is to analyze the composition and structure of vegetation in the karst area of Gunung Cibodas. The location of observation determined by systematic sampling with random start metode. Analysis vegetation plots are defined based on the direction of the slope and the mouth of the cave. The research found 30 species of seedlings, 32 species of saplings, 2 species of poles, 6 species of trees and 92 species of understorey vegetations. On the direction of the slope and the mouth of the cave is dominated by pioneer species such as Leucaena leucocephala, Calliandra calothyrsus and Macaranga peltata which show the process of secondary succession, moreover the understorey is dominated by the species of Invasive Alien Species (IAS). Stand structure inverted J-shaped curve can only be found on the northern slopes and generally canopy stratification in this karst area consists of three strata, namely stratum C, D and E with the dispersion pattern of this species of dominant groups in the direction of the slope and the mouth of the cave.
Keyword: stand structure, karst vegetation, composition of species

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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