Judul: Pemetaan Daerah Resiko Mudah Tercemar dengan Pendekatan Multiatribut dan SIG Di Kawasan Karst Cibodas Sukabumi Selatan
Abstrak: Cibodas Karst Region is a karst area which located in Sukabumi Regency. Geologicaly composed of Cibodas Limestone Formation. In this location, there are karst caves which have many surfaces and underground rivers. Study of soil water potential in karst area was approached by catcment zone studies using localizing the potential groundwater catchment zone. The process of rainwater infiltration into groundwater has a tendency through fracture zones which morphological indication is lineament morphological phenomena such as stream valleys and river flow areas. The lineament delineation can be used to identify and map a karst area based on EPIK factors. The result of lineament pattern identification shows high lineament zone (> 20 /km2) is a dry zone has a function as a catchment area. The result of protective factors calculation shows that Cibodas Karst Area is in highest level of vulnerability (S1) that has area of 17767.6 ha. Highest level vulnerability area in general means is the area of catchment zone karst valley which can be contaminated by the external factors.
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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: Pengaruh Waktu Vaksinasi Avian Influenza Terhadap Performa Ayam Broiler
Abstrak: The study aimed to determine the influence of Avian Influenza (AI) vaccination time in broiler performance. 1500 day old chick (DOC) were divided into five groups which consisted 300 DOC each group. Each group got the same treatment, a thing that distinguished a group to other groups was the AI vaccination’s time program. Each group was treated by AI vaccination on the 1st day, 7th day, 10th day and 14th day, meanwhile the other ones was used as control which was not treated by AI vaccination. The type of vaccine used was inactive vaccine which injected via subcutaneous. Broilers’ body weight, feed consumption and mortality were recorded weekly, collected data were used to calculate the feed conversion ratio (FCR) and index performance (IP) in each treated group. The results of this study showed that broilers’ body weight, mortality rate, FCR and IP in the group which treated by AI vaccination on the 14th days old age had given the better result compared to other groups.
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