Judul: Karakteristik Biometrik Pohon Jati (Tectona grandis L.f.) Studi Kasus di Bagian Hutan Bancar KPH Jatirogo, Perum Perhutani Unit II, Jawa Timur
Abstrak: One of each wood species what have most popular and to increase staple plant in forest management at work district Perum Perhutani, especially Unit I Cntral Java and Unit II East Java is teak wood (Tectona grandis L.f.). Teak wood inclusive of wood which have preserved class II and strength class II, so that’s fitting for any kind build construction. In the division from planning of forestry knowledge, one of problem research what have been develop is about biometric characteris tic from some trees. Biometric technic is some method to identification some of individual based on phisically character or from behaviour. Physical data achieved trough tree dimension measurements is needed in the process. The objective of this research is to describe teak tree (Tectona grandis L.f.) biometric characteristics in various age level and relationship from this character what have consistently property and unique. Hopefull, this research will enrich science trough information on teak tree biometric characteristics. Beside that, result of this research hopefully can useful include to tarif or tabel local volume from teak trees after which advance, can useful in planning forestry knowledge and to increase a dendology knowledge. The research was conducted at forest division Bancar KPH Jatirogo Perum Perhutani Unit II East Java in March until April 2008. The research object were 40 teak trees samples at various age level and bonita which the trees has diameter breast height minimum 20 cn and chosen by purposive sampling. Tools used were phiband, haga Hypsometer, Spiegel Relascop Bieterlich type wide scale, rope, tally sheet, camera, and write tools. Dimension measured were foot diameter (Dp), diameter breast high (Dbh), clear length bole diameter (Dbc), diameter each section, crown diameter (Dtk), tall stem which 2 meters for each section, total height (Tt), crown height (Ttk) and clear length bole height (Tbc) of each tree samples. Tree volume was measured using by Smalian formula. Form factor measured were breast high form factor and absolute form factor. Form quotients measured were normal form quotients and absolute form quotients. Data analysis was done by statistically describe tree dimension, measured the ratio between each dimension, analyzed the correlation between each tree dimension, between tree dimension and actual volume, stem form factors value and form quotients value, and analyzed the correlation between form factor and actual volume with diameter ratio. Regression equation model was made using all the related correlations. The data were analyzed using sotware Microsoft Excel and Minitab version 14. The result were as follows range of diameter breast height : 21,02 - 84,08 cm; foot diameter : 24,84 - 102,87 cm; clear length bole diameter : 10,00 - 60,00 cm; crown diameter : 7,75 - 21,50 cm; total height : 12,50 - 31,50 cm; clear length bole height : 7,50 - 20,50 cm; and crown height : 4,50 - 21,00 cm. Mean ratio between dimension : Dp/Dbh = 1,242 ; Dp/Dtk = 0,043 ; Dbc/Dtk = 0,019 ; Dbc/Dp = 0,461 ; Dbc/Dbh = 0,571 ; Dbh/Dtk = 0,034 ; Tbc/Tt = 0,553 ; Ttk/Tt = 0,447 ; Tbc/Ttk = 1,352. Teak stem coeficient is
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Judul: Persamaan Alometrik Biomassa dan Massa Karbon Pohon Jati (Tectona grandis Linn. f.) (KPH Balapulang, Perum Perhutani Unit I, Jawa Tengah).
Abstrak: The forest contribute to reduce greenhouse gases (GHG) that become trigger global climate change by binding the CO2 gas in the atmosphere. In the climate change convention entitled Conference of the Parties held in 1997, Kyoto Protocol was declared. One of the contents of this protocol is used by the developed countries as the basis to finance low-pollution project in developing countries. Calculating the forest carbon mass using allometric equations of biomasss and carbon mass is still rarely done, therefore the research is needed to gain further information. The Teak tree (Tectona grandis Linn. f.) is known as a high-quality commercial wood and it is widely planted in Java Island. This research was conducted at KPH Balapulang, Perum Perhutani’s Unit I, Central Java. The objective of this research is to get allometric equation of biomass and carbon mass for Teak tree (Tectona grandis Linn. f.). Selection of sample trees in each age class was conducted by purposive sampling, ranging from age class 1 to age class 5. Laboratory test were conducted to determine the carbon content in each part of the tree. Best equation was selected conducted using allometric regression based on the highest R2(adj), (real level) p <0,05, Fcount > Ftable and smallest standard deviation (s). The results of the this study showed the differences of the carbon content in various parts of the tree (trunk, branches, twigs, leaves, and roots). Allometric equations selected for biomass Teak tree (Tectona grandis Linn. f.) is B = 0,1383 D2,45 and allometric equation selected for Teak tree carbon mass is M = 0,0933 D2,44.
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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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