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INDONESIA
JURNAL BIOLOGI INDONESIA
ISSN : 08544425     EISSN : 2338834X     DOI : -
Core Subject : Science,
Arjuna Subject : -
Articles 12 Documents
Search results for , issue " Vol 6, No 2 (2010): JURNAL BIOLOGI INDONESIA" : 12 Documents clear
Pengelompokan Kelelawar Pemakan Buah dan Nektar Berdasarkan Karakteristik Jenis Pakan Polen di Kebun Raya Bogor, Indonesia Soegiharto, Sri; Kartono, Agus P.; Maryanto, Ibnu
JURNAL BIOLOGI INDONESIA Vol 6, No 2 (2010): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v6i2.3161

Abstract

ABSTRACTThe Grouping of Fruit Bats Based on Pollend Type Characterized as Food Resources inBogor Botanical Garden, Indonesia. A study was conducted to identify pollen consummedby fruits bat in Bogor Botanical Garden from March 2008 to June 2009. The types of crown ofthe flower, pollen and pollen size which chosen by fruit bats were analysed by using highdetrended canonical correspondent. The result indicated that there are three major groups ofbats based on the similarities of food type or flower resources consumed by fruit bats. Thegroups were (1) males of Macroglossus sobrinus and the females of Eonycteris spelaea, (2)Cynopterus brachyotis and the females of C. minutus, and (3) males and females of C.titthaheileus, females of C. brachyotis and Macroglossus sobrinus, males of C. sphinx and C.minutus, and females of C. sphinx.Key words: Megachiroptera, pollend, seed distribution,
Arti Kebun Raya Bogor Bagi Kehidupan Kumbang Sungut Panjang (Coleoptera, Cerambicidae) Noerdjito, Woro Anggaraitoningsih
JURNAL BIOLOGI INDONESIA Vol 6, No 2 (2010): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (377.487 KB) | DOI: 10.14203/jbi.v6i2.3166

Abstract

TULISAN PENDEK Arti Kebun Raya Bogor Bagi KehidupanKumbang Sungut Panjang (Coleoptera, Cerambicidae)
Keragaman Genetika Ramin [Gonystylus bancanus (Miq.) Kurz] dari Provinsi Riau Berdasarkan Profil Random Amplified Polymorphic DNA Kusumadewi, Yulita; Poerba, Yuyu S.; Partomiharjo, Tukirin
JURNAL BIOLOGI INDONESIA Vol 6, No 2 (2010): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v6i2.3157

Abstract

ABSTRACTGenetic Diversity of Ramin [Gonystylus bancanus (Miq.) Kurz] from Riau Province Based onRandom Amplified Polymorphic DNA Fingerprint. Gonystylus bancanus is a commercialtimber found only on peat swamp forests, scatteredly distributed in Sumatra and Kalimantan.Their existence is now under severe threat due to habitat conversion. One of the remainingnatural populations of ramin was in Riau Province, Sumatra. This study aimed to assessgenetic diversity of this species within their natural populations in Riau Province using RandomAmplified Polymorphic DNA (RAPD). RAPD profiles were obtained by performing PCRamplification using five arbitrary primers. One hundred and eleven putative loci of RAPD werescored and analysed using Popgene and NTSYS software. Eleven of RAPD bands werecommonly found in all populations and 16 bands were distinctively found in certain populations.These unique bands may serve as population diagnostic marker for such populations. Theaverage genetic diversity within population (0.1606) was lower than that of among populations(0.1894). Genetic differentiation (Gst) indicated that 95.56% of total genetic diversity in raminwas attributed to the differences among populations. The highest genetic diversity was foundin population 3 (He:0.1858) and 3 (I:0.2864), while the lowest genetic variation was observed inpopulation 1 (He: 0.1438) and 2 (I: 0.2201). Total genetic diversity for all population (Ht) was0.1982 with an average value of genetic diversity within populations (Hs) was 0.1606. The lowlevel of genetic diversity found in ramin with high population differentiation may suggest thatthese remaining populations was undergoing genetic bottleneck resulted from severe habitatfragmentation.Keywords: genetic diversity, populations, ramin, Gonystylus bancanus, RAPD.
Kemampuan Kawasan Nir-Konservasi dalam Melindungi Kelestarian Burung Endemik Dataran Rendah Pulau Jawa Studi Kasus di Kabupaten Kebumen Sulistyadi, Eko
JURNAL BIOLOGI INDONESIA Vol 6, No 2 (2010): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (446.812 KB) | DOI: 10.14203/jbi.v6i2.3162

Abstract

ABSTRACTCapability of Nir-Conservation Area for Preserving Jawa Lowland Endemic: CaseStudy in Kebumen District. Indonesia region is inhabited by 1.598 birds which 372 Indonesianendemic birds and 56 species of them are Jawa endemic. Amongs of jawa endemic birds, 19species are lowland occupant. Indeed the birds play important roles in ecosystem as agents ofpest population control, pollination, and seed dispersal. In lowland area of Jawa, intensivetransformation of land use exacerbated by no conservation area may threaten presence of theendemic birds. This study aims to assess caring capacity of disrupted area in low lands forpreserving endemic birds of Jawa.The study was conducted in Bedegelon river covering northern mountaneus area ofKebumen district from October-November 2007 using encounter rates methode. Survey wascarried out in three farm types: agroforestry (wanatani), intercropping agriculture area(tumpangsari) and mixed area of vegetation-settelment area (sempadan sungai).Result shows that four spesies Jawa lowland endemik birds was found in observed area.Lonchura leucogastroides and dicaeum trochileum found at all farm type, Prinia familiarisfound at intercropping agriculture area (tumpangsari). Alcedo coerulescens were observed atagroforestri area (wanatani) and mixed of vegetation-settelment area (sempadan sungai) farmtype.Key words : Jawa endemik birds, diversity, Jawa lowland, farm tipe, kebumen district
Laju Kehilangan dan Kondisi Terkini Habitat Baning Sulawesi (Indotestudo forstenii) di Semenanjung Santigi, Sulawesi Tengah, Indonesia Riyanto, Awal; Soemarno, Suprayogo; Farajallah, Achmad
JURNAL BIOLOGI INDONESIA Vol 6, No 2 (2010): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1097.821 KB) | DOI: 10.14203/jbi.v6i2.3158

Abstract

ABSTRACTThe Loss and Recent Condition Habitat of Sulawesian Tortoise (Indotestudo forstenii) atCape Santigi, Central Sulawesi, Indonesia. Unsupervised method of remote sensing wasapplied were evaluated to compute the habitat loss during five years, from 2001 to 2005 usingMultispecW32 software. Meanwhile, the fieldwork was done from 22 to 30 June 2007 todetermine the recent condition of habitat at Sologi hill, a part area of Cape Santigi. During fiveyears (from 2001 to 2005) the forest (habitat) in Cape Santigi was loss making up 60.04 % (rate= 419.25 ha/year). Sologi hill forest was shown as a remaining habitat in Cape Santigi. Vegetationin Sologi hill forest is relatively still good, but is threatened by human activities. We suggesteddeveloping the natural preserve to protect this tortoise, habitat and ecosystem also otherwildlife at Sologi hill.Key words: Indotestudo forstenii, habitat, Cape Santigi, Central Sulawesi, Indonesia.
Analysis of Nutrient Requirement and Feed Efficiency Ratio of Maroon Leaf Monkey (Presbytis rubicunda Mueller, 1838) Farida, Wartika Rosa
JURNAL BIOLOGI INDONESIA Vol 6, No 2 (2010): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (310.178 KB) | DOI: 10.14203/jbi.v6i2.3163

Abstract

ABSTRAKAnalisis Kebutuhan Nutrien dan Efisiensi Penggunaan Pakan pada Lutung Merah (MaroonLeaf Monkey Mueller, 1838). Penelitian ini bertujuan untuk mempelajari kebutuhan nutriendan efisiensi penggunaan pakan pada lutung merah (Presbytis rubicunda). Penelitian telahdilakukan di Penangkaran Mamalia Kecil Bidang Zoologi, Pusat Penelitian Biologi – LIPI selama38 hari yang terdiri dari 10 hari masa adaptasi pakan dan 28 hari (4 minggu) masa pengumpulandata. Obyek yang digunakan adalah dua ekor lutung merah terdiri dari satu ekor jantan dansatu ekor betina. Pakan alternatif yang diberikan selama penelitian adalah daun beringin(Ficus benyamina), daun selada (Lactuca sativa), kangkung (Ipomoea aquatica), buncis(Phaseolus vulgaris), markisa (Passiflora quadrangularis), ubi jalar (Ipomoea batatas), danpisang lampung (Musa sp.). Parameter yang diamati adalah konsumsi pakan, pendugaankebutuhan nutrien, dan efisiensi penggunaan pakan. Jenis pakan yang paling palatabel bagilutung merah jantan adalah ubi jalar sedangkan bagi lutung merah betina adalah buncis. Rataankonsumsi pakan berdasarkan bahan kering adalah 78,09 gram/ekor/hari. Rataan konsumsinutrien adalah abu 4,60 gram/ekor/hari, protein kasar 7,87 gram/ekor/hari, lemak kasar 3,05gram/ekor/hari, serat kasar 10,56 gram/ekor/hari, bahan ekstrak tanpa nitrogen 51,40 gram/ekor/hari, dan bruto energi 2948,50 kal/ekor/hari. Rataan pertambahan bobot badan lutungmerah selama penelitian adalah 6,25 gram/ekor/hari dengan efisiensi penggunaan pakan 15,84%.Data konsumsi nutrien tersebut dapat digunakan sebagai dasar penyusunan ransum dan pakanbagi lutung merah di penangkaran.Key words: Consumption, feed utilization, Presbytis rubicunda, captive breeding
Plant- â Diversity and Composition in Mount Nok and the Waifoi Forest of the Waigeo Raja Ampat Islands: with Special Reference to The Threatened Species Widyatmoko, Didik
JURNAL BIOLOGI INDONESIA Vol 6, No 2 (2010): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (443.392 KB) | DOI: 10.14203/jbi.v6i2.3159

Abstract

ABSTRACTKeragaman â dan Komposisi Tumbuhan di Hutan Gunung Nok dan Waifoi Waigeo KepulauanRaja Ampat: Dengan Perhatian Khusus Pada Species yang Terancam Kepunahan RajaAmpat merupakan kepulauan di Papua Barat yang terdiri atas sekitar 610 pulau; empat diantaranya merupakan pulau besar (Waigeo, Salawati, Batanta, dan Misool). Ekspedisi danstudi ekologi dilakukan di Gunung Nok dan Hutan Waifoi (Pulau Waigeo) pada tahun 2007.Tujuan ekspedisi ini adalah untuk mempelajari komposisi dan keragaman beta (â-diversity)flora Gunung Nok dan Hutan Waifoi yang merupakan area penting di Cagar Alam Pulau WaigeoTimur; mengkaji status populasi dari spesies-spesies endemik atau yang terancam kepunahan;serta mempelajari karakteristik habitat flora endemik atau terancam kepunahan . Survei komposisidan kelimpahan populasi dilakukan dengan menggunakan metode cuplikan sabuk transek(transect belts) dan kuadrat yang disusun secara sistematis bergantian di ke dua sisi sabuktransek di dua lokasi penelitian. Formasi dan keragaman beta vegetasi Gunung Nok diobservasidengan cara menetapkan titik-titik pengamatan berdasarkan perbedaan karakteristik komunitasvegetasi di sepanjang gradien gunung. Identitas spesies dan posisi keberadaannya dalamstrata kanopi dicatat dan diobservasi. Sebanyak 554 records tumbuhan berhasil dikoleksi darilokasi penelitian; lima spesies merupakan tumbuhan endemik Waigeo (Guioa waigeoensis,Alstonia beatricis, Calophyllum parvifolium, Schefflera apiculata, dan Nepenthes danseri)yang semuanya berkategori terancam kepunahan, sedangkan 42 spesies merupakan endemikNew Guinea. Dendrobium dan Bulbophyllum merupakan dua marga anggrek yang palingberagam berdasarkan jumlah spesies yang ditemukan.Kata kunci: Keragaman ?, komposisi tumbuhan, spesies terancam kepunahan, Gunung Nok,Hutan Waifoi, Waigeo
Oksidasi Nitrit Oleh Bakteri Heterotrofik Pada Kondisi Aerobik Agustiyani, Dwi; Kayadoe, Ruly Marthina; Imamuddin, Hartati
JURNAL BIOLOGI INDONESIA Vol 6, No 2 (2010): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v6i2.3164

Abstract

ABSTRACTNitrite Oxidation by Heterotrophic Bacteria Under Aerobic Condition. The nitrite transformingactivities of heterotrophic bacteria from isolates from agriculture soil, Lampung were studiedunder aerobic conditions. Among the 9 bacterial isolates tested, almost all are reported haveability to consume of nitrite, but none of the bacterial isolates formed significant nitrate in themedium. NOB H1 (Bacillus licheniformis), is denitrification-negative, consumed 16. 4 mg/L ofnitrites with the accumulation of 4.45 mg/L nitrates. While, NOB H8 (Pseudomonas sp.) isdenitrification-positive, consumed 49. 64 mg/L of nitrite with the accumulation of 3.34 mg/Lnitrates. Nitrite oxidations of both isolates NOB H1 and NOB H8 took place during stationeryphase to the dead phase. Growth pattern of both isolates NOB H1 and NOB H8 were sigmoidwith generation time of 1.69 and 2.19 hour, respectivelyKey words: heterotrophicbacteria; nitrite oxidation; denitrification
Isolasi Bakteri Pendegradasi Phenanthrene dari Batanta-Salawati Raja Ampat Papua Riffiani, Rini
JURNAL BIOLOGI INDONESIA Vol 6, No 2 (2010): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (652.216 KB) | DOI: 10.14203/jbi.v6i2.3153

Abstract

ABSTRACTIsolation of Bacteria Degrading Phenanthrene in Batanta- Salawati Districts Raja AmpatPapua. Polycyclic aromatic hydrocarbons (PAHs) are important environmental contaminantsin soil and water. These compounds have a potential risk to human health, as many of them arecarsinogenic and toxic to marine organisms such as diatome, gasthrophode, mussel, and fish.Phenanthrene is one of the hazardous hydrocarbon compounds. The purpose of this researchwas to characterize microbial strains from Batanta-Salawati Raja Ampat Papua Island and theirability to remove phenanthrene. Two isolates were identified at their physiological characteristicsbased on salinity tolerance, pH tolerance and the composition of nitrogen base. Molecularidentification based on 16S rRNA gene sequences indicated that bacteria had the highestsimilarity with Rhodobacteraceae bacterium F9 and Roseobacter sp. RW 37.Rhodobacteraceae bacterium F9 could grow optimum on ONR7a media with 5% salinity andat pH of 5-7,5 while Roseobacter sp. RW 37 could grow optimum on ONR7a media with 2%salinity and at pH of 6,2-7,5.Key words: Phenanthrene, physiological characteristic, molecular identification, Raja Ampat
Emisi Gas Dinitrogen Oksida dari Tanah Sawah Tadah Hujan yang diberi Jerami Padi dan Bahan Penghambat Nitrifikasi Wihardjaka, A.
JURNAL BIOLOGI INDONESIA Vol 6, No 2 (2010): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (517.286 KB) | DOI: 10.14203/jbi.v6i2.3160

Abstract

ABSTRACTNitrous Oxide Emission from Rainfed Lowland Rice Soils through Applications of Rice Strawand Nitrification Inhibitor Materials. Alternate wet-dry of soil condition under rainfed lowlandsystem influence on source and sink dynamics of green house gases. Lowland rice soil is oneof antropogenic sources of nitrous oxide (N2O) emission produced by microbiologicalnitrification-denitrification mediated processes. Attempt to increase soil productivity in lowlandrice system by organic amendment is predicted to stimulate nitrous oxide production. Theincrease of N2O production in lowland rice could be suppressed by using nitrification inhibitormaterials. A field experiment was conducted in rainfed lowland rice during 2009 dry season. Theobjective was to study interaction of rice straw application and nitrification inhibitor materialson nitrous oxide emission from rainfed lowland rice. Experiment was arranged using factorialrandomizes block design with three replicates and treatment of rice straw application (withoutrice straw, fresh straw, composting straw) and inhibitor nitrification materials (without inhibitornitrification, neemcake, carbofuran). Interaction of rice straw and nitrification inhibitor materialsdecreased significantly N2O emission from lowland rice soil. Nitrous oxide emission in plotwithout rice straw was higher than in plot treated with neither fresh rice straw nor compostingstraw. Application neemcake combined with composting straw emitted lowest nitrous oxidewith flux of 72 g N2O ha-1 season-1, whereas the highest N2O emission was found in plot withoutnitrification inhibitor materials and rice straw with flux of 454 g N2O ha-1 season-1. Comparedwith treatment of without nitrification inhibitor, application of neemcake and carbofuran couldsuppress nitrous oxide emission of 48.6 and 41.3 %, respectively.Key words : nitrous oxide emission, rainfed lowland, rice straw, nitrification inhibitors

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