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INDONESIA
JURNAL BIOLOGI INDONESIA
ISSN : 08544425     EISSN : 2338834X     DOI : -
Core Subject : Science,
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Articles 13 Documents
Search results for , issue " Vol 6, No 3 (2010): JURNAL BIOLOGI INDONESIA" : 13 Documents clear
Komunitas Serangga pada Bunga Rafflesia patma Blume (Rafflesiaceae) di Luar Habitat Aslinya Kebun Raya Bogor Kota Bogor Provinsi Jawa Barat Indonesia Kahono, Sih; Mursidawati, Sofi; Erniwati, Erniwati
JURNAL BIOLOGI INDONESIA Vol 6, No 3 (2010): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (155.201 KB) | DOI: 10.14203/jbi.v6i3.3149

Abstract

ABSTRACTInsects Community on the Flower of Rafflesia patma Blume (Rafflesiaceae) in its Non NativeHabitat of Bogor Botanical Gardens, Bogor City, Province of West Java, Indonesia. The studywas conducted at the Bogor Botanical Gardens, Bogor, West Java, Indonesia using a bloomingfemale flower of R. patma. The insects were directly counted in the morning, noon, and afternoonon both fresh blooming and rotten R. patma . Twenty three insect species were collectedduring the study belonging to the order Coleoptera (2 families, 2 species, 5 individuals),Diptera (9 families, 18 species, 1176 individuals), and Hymenoptera (2 family, 4 species, 13individuals). Number of individuals of each insect species captured were frequently less than1.35% from total captured. There were specialization of flies visiting fresh opening flower andthe rotten one. Six species, Leiomyza laevigata (Asteiidae), Chrysomya megacephala, andHemipyrellia tagaliana (Calliphoridae), Stegana coleoptrata (Drosophilidae), Heteromyzaoculata and Tephrochlamys rufiventris (Heleomyzidae) were predicted as important pollinatorsof R. patma.Key words: Insect community, flower, Rafflesia patma, non native habitat, Bogor BotanicGarden.
Production of Acid Phosphatase in Bacillus sp. Isolated from Forest Soil of Gunung Salak National Park Rahmansyah, Maman; Sudiana, I Made
JURNAL BIOLOGI INDONESIA Vol 6, No 3 (2010): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v6i3.3140

Abstract

ABSTRAKProduktivitas Fosfatase Asam pada Bacillus sp. yang Diisolasi dari Tanah Hutan TamanNasional Gunung Salak. Pada pengamatan ini dilakukan karakterisrik bakteri pelarut fosfatyang diisolasi dari tanah hutan Taman Nasional Gunung Salak. Sebanyak 21 koloni hasil isolasidiuji terhadap produktivitas enzim fosfatase berdasar pelarutan media mengandung fosfat.Isolat yang terkuat melarutkan fosfat diidentifikasi sebagai Bacillus sp. Pada pengamatanlanjutan terhadap strain teruji dilakukan penumbuhan pada media cair selama 90 jam inkubasi,dan hasilnya ternyata mampu melarutkan fosfat inorganik (Pi) dari sumber trikalsium fosfat(Ca-Pi) dan alumunium fosfat (Al-Pi) masing-masing pada kisaran 1,2 sampai 152 dan 0.8 sampai25 mg.L-1; dan menunjukkan aktifitas enzim fosfomonoesterase antara 0.2 sampai 1.01 unitpada media yang mengandung larutan para-nitrophenylphosphate sebagai media fosfatorganik (Po) artifisial. Konsumsi glukosa pada media yang diukur selama pertumbuhan sejalanpula dengan produk ortofosfat sebagai akibat adanya aktifitas enzim fosfatase. Peningkatanfosfatase juga sejalan dengan bertambahnya biomassa sel bakteri dan penambahan produkasam glukonat. Penurunan pH dari 7 menjadi 5 diakibatkan peningkatan produk asam glukonatdi dalam media tumbuh. Bakteri pelarut fosfat yang berasal dari tanah hutan Taman NasionalGunung Salak dapat memproduksi fosfatase asam untuk memineralisasi sumber-sumber fosfatmenjadi sumber nutrisi yang siap digunakan oleh akar tumbuhan, dan itu merupakan prediksikuat untuk menjadikan isolat bakteri pelarut fosfat sebagai sumber bahan pupuk hayati.Kata kunci: Bacillus sp., tanah hutan, fosfatase asam, Ca-Pi, Al-Pi.
Kajian Pakan Bersumber Energi Tinggi pada Pembentukkan Monyet Obes Oktarina, Ria; Mansjoer, Sri Supraptini; Astuti, Dewi Apri; Suparto, Irma Herawati; Sajuthi, Dondin
JURNAL BIOLOGI INDONESIA Vol 6, No 3 (2010): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (72.126 KB) | DOI: 10.14203/jbi.v6i3.3145

Abstract

ABSTRACTHigh Energy Diet to Develop Obese Animal Model in Cynomolgus Monkeys (Macacafascicularis). Obesity is a primary predisposition for diseases such as metabolic syndrome(insulin resistance, blood lipid abnormality, and hypertension), type 2 diabetes, andcardiovascular disease. The effort to overcome obesity is needed by understanding thedevelopment of obesity. Therefore, it is urgent to carry out preclinical trials by using an obeseanimal model however it is still limited. The objective of this research was to study the effect ofhigh energy diet with animal fat and soluble carbohydrate to produce obese cynomolgusmonkeys (Macaca fascicularis). Animals used in this study were 15 adult males dividedequally into three treatment groups and were given diets for 4 months. The 3 groups were 1)receiving diet A consists of beef tallow without egg yolk; 2) receiving diet B consists of beeftallow and egg yolk, (energy 4,207 cal/g, fat 19.62%, and starch 60.34% in both first two diet) 3)receiving diet C consists of monkey chow as control (energy 4,330 cal/g, fat 5.55%, and starch51.38%). Measurement were taken every four weeks for body weight, crown rump length, hipdiameter, abdominal skin thickness, body mass index (BMI), nutrient consumption anddigestibility. Results showed that animals received diet B had significant increase in bodyweight and BMI at week 4 and 8. Hip diameter and abdominal skin thickness were significantstarting at week 4 in animals receiving diet with egg yolk (p<0.05) compared to the other twogroups. Protein consumption and digestibility in group with diet A and B was lower (p<0.05)compared to control animals. However, digestibility for dry matter, fat, starch and energy wereabout 90%, meaning that the rations were considered adequate in developing obese monkey.The diet formula containing tallow and egg yolk increased body weight based on BMI criteriaabove 25 kg/m2.Key words: obesity, cynomolgus, egg yolk, body mass index, digestibility
Kajian Hubungan Tutupan Vegetasi dan Sebaran Burung di Pulau Moti, Ternate, Maluku Utara Utaminingrum, Hetty I.P.; Sulistyadi, Eko
JURNAL BIOLOGI INDONESIA Vol 6, No 3 (2010): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (215.321 KB) | DOI: 10.14203/jbi.v6i3.3150

Abstract

ABSTRACTStudy on the relationships between vegetation coverage and bird distribution in Moti Island,Ternate, North Moluccas. Research study on relationships between vegetation coverage andbird distribution in Moti Island, Ternate, Moluccas was conducted on May 2010. The objectiveof this research is to understand the bird species occurrence on a vegetation type as anindicator for environment quality determination in small Moti Island. Data on the occurrenceof bird species in the every vegetation type was collected and recorded using explorationmethod. The bird species were identified for the scientific name, local name, their activities,location or coordinate position and their vegetation or habitat. The data then compiled andtabulated for the spatial analyses using Ikonos image and topographic (SRTM) maps data.The data output from the spatial analyses then analyzed using Principle Component Analyses(PCA) to get the most important factors of vegetation cover types that influenced the occurrenceof the bird species. The results showed that about 34 bird species, belong to 20 families and 29genera have occurred in the Moti Island. About 13 vegetation types were recorded as naturalsites of bird species for feeding, playing and breeding grounds. Analyzing data using PCAshowed that at least 3 vegetation types have played as important sites for bird species in thisarea. The sites were mangrove, secondary forest and mixed gardens. The roles of both threeimportant vegetation types and bird species as environment quality indicators were in detaildiscussed in this paper. The discussion also includes how to develop fisherman villages inMoti Island using its own natural resources and biodiversity.Key words: Moti Island, birds distribution, vegetation coverage, spatial analyses
Eksplorasi Keanekaragaman Aktinomisetes Tanah Ternate Sebagai Sumber Antibiotik Nurkanto, Arif; Listyaningsih, Febrianti; Julistiono, Heddy; Agusta, Andria
JURNAL BIOLOGI INDONESIA Vol 6, No 3 (2010): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (274.268 KB) | DOI: 10.14203/jbi.v6i3.3141

Abstract

ABSTRACTExploration of Soil Actinomycetes Diversity from Ternate as Indigenous Antibiotic Sources.Actinomycetes of soil samples from Ternate, North Moluccas were isolated using SDS-YEmethod in humic acid vitamin agar. Ternate has high abundance of Actinomycetes, approximately6.00 – 487 x 104 CFU/ g soil, depends on habitat types. We have selected 60 isolates andconducted antibiotic screening against pathogenic bacteria and fungi using agar diffusionmethod and found both narrow and broad antibiotic spectrum types . Based on 16S rDNAanalysis, all Actinomycetes with antibiotic activities are belong to the genus Streptomyces. .Minimum Inhibitor Concentration (MIC) value was determined by broth microdilution method.It was found that MIC values varied, depended on microbial tested. We found two isolateswith higher antibiotic activity compared to the commercial antibiotics (chloramphenicol,erythromycin for antibacterial and nystatin, kabicidin for antifungal). Cell destruction analysiscaused antibiotic activities was conducted through leak of protein and nuclatic acid.Key words : Actinomycetes, soil, Ternate, antibiotic, cell distruction
Pengaruh Laju Eksploitasi Terhadap Keragaan Reproduktif Ikan Tembang (Sardinella gibbosa) di Perairan Pesisir Jawa Barat Ernawati, Yunizar; Kamal, Mohammad Mukhlis
JURNAL BIOLOGI INDONESIA Vol 6, No 3 (2010): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v6i3.3146

Abstract

ABSTRACTEffect of Exploitation Rate on Reproductive Performance in Goldstripe Sardinella (Sardinellagibbosa) in West Java Coastal Waters. The research objective was to explore the effect ofexploitation rate on reproductive performance of goldstripe sardinella (Sardinella gibbosa).Three sites located in West Java coasts were selected representing coastal areas adjacent tothe Indian Ocean (Palabuhan Ratu), Java Sea (Blanakan), and Sunda Strait (Labuan), for fishcollection during May-July 2009. Fish samples were collected and the length was measuredprior to sex determination, observation on gonad morphology as well as gonad maturitydetermination, examination on fecundity and eggs diameter, and protein content analysis.Estimation on exploitation rate (E) was calculated based on length data performance fromwhich the result was correlated with reproductive parameters including the length at firstmaturity, fecundity, eggs distribution and diameter, and protein content analysis. By sitesbasis, variation in E was consistently shown only by eggs protein content in which the lowerthe E estimation the higher the protein contents. However, in response to E, there wereinconsistencies shown by the length at first maturity, fecundity, and eggs diameter. Suchinconsistencies are thought to be associated with population structure of matured female, andvariability in the habitat conditions which determines the magnitude of fish stock.Key words: Sardinella gibbosa, exploitation rate, reproductive performance
Pengujian 15 Genotipe Kedelai pada Kondisi Intensitas Cahaya 50% dan Penilaian Karakter Tanaman Berdasarkan Fenotipnya Susanto, Gatut Wahyu Anggoro; Sundari, Titik
JURNAL BIOLOGI INDONESIA Vol 6, No 3 (2010): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (60.358 KB) | DOI: 10.14203/jbi.v6i3.3151

Abstract

ABSTRACTThe Examination of 15 Soybean Genotypes at 50% Light Intensity and Evaluation of Crop’sPhenotypic Characters. Sunlight is one of the important plant growth requirements. In orderto understand morphological character changes in the crops due to different light intensity, 15genotypes of soybean consisted of Willis, D3578-3/3072-11, Seulawah, Aochi/W-62, Kaba,IAC 100/Brr-1, MLGG 0081, MLGG 0059, MLGG 0120, 9837/Kawi, D-6-185, IAC 100, MLGG0383-1, Pangrango, MLGG 0069 and MLGG 0122 were tested. The research was conducted inKendalpayak (grey Alluvial soil type, 450 above sea level, C3 climate type), Malang at dryseason in 2006. The research design was Randomize Complete Block under two differentenvironmental conditions, with three replications. The experiment was conducted under fulland 50 %light intensity. The results indicated that the reduction of light intensity as much as50 % resulted in some changes in phenotypic characters such as size and lifespan of the 15genotype being tested, included the increase of plant height, the longer distance betweennodes, the decrease in node number, the smaller size of stem diameter, the decrease on thenumber of leaves, the narrower of the leaf ‘s width and the decrease in pod number. Lessenedseed weight, the low weight of 100 seeds, the lowering level of the leaf’s greenness, and theaccelerate age of flowering and harvesting. IAC 100, MLGG 0383-1 and IAC 100/BBR-1 producedhigh under 50% of light intensity.Keywords : Soybean (Glycine max (L) Merrill), light intensity, phenotypic
Komposisi Flora dan Struktur Hutan Alami di Pulau Ternate, Maluku Utara mirmanto, edi
JURNAL BIOLOGI INDONESIA Vol 6, No 3 (2010): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v6i3.3142

Abstract

ABSTRACTVegetation Analysis of Natural Forest in Ternate Island, North Maluku. A vegetation analysisof the Ternate natural forest has been conducted by establishing 9 plots of each 30-m x 30-m.All trees (dbh. e”10 cm) within all plots were measured, their positions were determined, andtheir species were identified. In total there were 68 tree species recorded within plots belongingto 34 families. Trichospermum morotainense was the most common species, followed byAlbizia falcataria, Elmerilla ovata, Cordia mixa, and Macaranga longicaudatum. Almost allof the common species such as A. falcataria, Tristiopsis canarioides, Pometia pinnata, E.ovata and Intsia bijuga were found as emergent or canopy trees. According to the ordination(DCCA) analysis there were at least three tree species associations which were related tohabitat characteristics (conditions). However the population’s dominant species varied amongsites, which might be related to the habitat characteristics and/or effects of human activities inthe past.Keywords: Vegetation, natural forest, Ternate, North Maluku
Keragaman Genetik Amfibia Kodok (Rana nicobariensis) di Ecology Park, Cibinong Berdasarkan Sekuen DNA dari Mitokondria d-loop Astuti, Dwi; Kurniati, Hellen
JURNAL BIOLOGI INDONESIA Vol 6, No 3 (2010): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (249.935 KB) | DOI: 10.14203/jbi.v6i3.3147

Abstract

ABSTRACTGenetic Diversity of Amphibia (Rana nicobariensis) at Ecology Park, Cibinong Based onDNA Sequences of Mitochomndrial d-Loop. The 397- base pairs from ten nucleotide sequencesof mitochondrial d-loop region were determined and analyzed in object to study the geneticdiversity of frog Rana nicobariensis at Ecology Park, Cibinong, West Java. There were sixhaplotypes from 10 individuals collected from Ecology Park. Haplotype and nucleotide oramino acid diversities in Ecology Park were 0.964 and 0.0064 respectively.Key words: Genetic diversity, Rana nicobariensis, Ecology Park Cibinong, DNA sequences,mitochondrial-d-loop
Penapisan Mikroba Laut Perombak Senyawa Nitril dan Protein yang Diisolasi Dari Spons di Perairan Ternate Riffiani, Rini; Sulistinah, Nunik
JURNAL BIOLOGI INDONESIA Vol 6, No 3 (2010): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (262.562 KB) | DOI: 10.14203/jbi.v6i3.3143

Abstract

ABSTRACTScreening of Nitrile and Protein-Degrading Marine Bacteria Isolated from Sponge in TernateSea Water. Thirty three marine bacteria have been isolated from marine sponge in Ternate byenrichment culture. Screening bacteria-degrading nitrile was done by microtitter plate methodbased on growth ability tested by Iodonitrotetazolium chloride. Product of nitrile degradationwas determined by Gas Chromatography (GC) and the potential bacteria-degrading proteinwas also screened by using selected media which contained casein. The results showed thattwenty one isolates were able to show the clearing zone in selected media. Five isolatescapable of utilizing acetamide as the sole source of carbon and nitrogen. Acetate and ammoniaproduced for hydrolysis acetonitrile by using resting cell of Lysobacter sp.Key words: Nitrile, bacterium, sponge, Ternate

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