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INDONESIA
JURNAL BIOLOGI INDONESIA
Published by Lembaga Ilmu Pengetahuan Indonesia
ISSN : 08544425     EISSN : 2338834X     DOI : -
Core Subject : Science,
Biochemistry, Genetics & Molecular Biology
Arjuna Subject : -
Articles 847 Documents
 35   36   37   38   39 
Komunitas Floristik dan Suksesi Vegetasi Setelah Erupsi 2010 di Gunung Merapi Jawa Tengah Afrianto, Whisnu Febry; Hikmat, Agus; Widyatmoko, Didik
JURNAL BIOLOGI INDONESIA Vol 12, No 2 (2016): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1304.649 KB) | DOI: 10.14203/jbi.v12i2.2895

Abstract

ABSTRACTSuccession dynamics (as a complex interaction and relationship between environment and species) is a crucial ecological process for managing and restoring habitats and ecosystems. This research was conducted at several locations based on the damage levels occurred due to the 2010 eruption of Mount Merapi: heavily damaged site was chosen at the Cangkringan Resort (consisting of both open and covered areas) and the Kemalang Resort, medium damage site was located at the Dukun Resort, and minor damage/relatively intact site was situated at the Selo Resort. A total of 135 plant species belonging to 64 families were recorded from all locations during the study. The Mount Merapi eruption occurred in 2010 had significantly impacted on the floristic community structure and condition. Canonical Correspondence Analysis (CCA) was used to analyze the relationships between environmental variables and the existing plant species conditions. The results indicated that different abiotic environment conditions (variables) significantly influenced species compositions and conditions. The covered area (?= 0:49; p= 0.002; F= 10:35) and the elevation factor (?= 0:32; p= 0.002; F= 7:08) provided the highest impact on vegetation conditions. Meanwhile, the relationships and correlations between edaphic factors and floristic community conditions varied from site to site.Key words: Abiotic environment, floristic community, succession, Mount Merapi, restoration
Kelimpahan dan Diversitas Aktinomisetes Tanah Taman Nasional Gunung Ciremai Jawa Barat Nurkanto, Arif
JURNAL BIOLOGI INDONESIA Vol 5, No 3 (2009): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (160.878 KB) | DOI: 10.14203/jbi.v5i3.3179

Abstract

ABSTRACTThe Abundance and Diversity of Soil Actinomycetes from Ciremai National Park West Java.Actinomycetes of soil samples from Mount Ciremai National Park, West Java were been isolatedby Sodium Dodecyl Sulphate Yeast Extract (SDS YE) method in Humic Acid Vitamin Agar(HVA) medium. The colonies of actinomycetes were counted based on Total Plate Count(TPC). Diversity of actinomycetes were identified based on spore, chain spore, pigmentation,hypha and aerial hypha formation. The abundance of actinomycetes were 3,50 x104 – 71,50 x104CFU/g soil. Seven genus of actinomycetes were found, they were Streptomyces, Nocardia,Micromonospora, Microbiospora, Actinomadura, Actinoplanes, and Microtetraspora. Mostof them were distributed in 900 until 2500 m height above sea level. Streptomyces only knownin 2700, 2900 and 3057 m above sea level. Population of Streptomyces were predominant in allsoil types according to height, but were highest in 2500 m asl.Key words: Actinomycetes, fungi, Mount Ciremai, diversity, abundance.
Sirkulasi virus Avian influenza H5N1 Tahun 2010 : Virus genetic drift mirip A/Ck/West Java/Pwt-Wij/2006 ditemukan di beberapa kabupaten di Sumatra dan Jawa Dharmayanti, NLP Indi; Ratnawati, Atik; Hewajuli, Dyah Ayu; Indriani, Risa
JURNAL BIOLOGI INDONESIA Vol 8, No 1 (2012): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2654.808 KB) | DOI: 10.14203/jbi.v8i1.3069

Abstract

The avian influenza H5N1 virus circulation in 2010 : Genetic Drift Like Virus A/Chicken/West Java/Pwt-Wij/2006 was found in several districts of Sumatra and Java. Until 2011, the H5N1 subtype of AI virus is still circulating in many parts of Indonesia. The discovery of the AI viruses which have undergone genetic drift since 2006 until now requires serious attention from the government in terms of AI disease control, the surveillance and monitoring of virus circulation and execution of genetic mapping to determine the genetic character of the AI virus at the molecular level, especially on the surface of glycoproteins (HA and NA protein).This information is needed to determine the diversity and character of the AI virus in Indonesia. Genetic data are used to evaluate the strategy to control AI in Indonesia, such as vaccination and the vaccine seed used and determine the extent of AI virus mutation in Indonesia has beenmutated. This study conducted by monitoring of the AI virus circulation throughout 2010. The methods used were AI virus isolation, RT-PCR, sequencing of genes coding for viral surface and the prediction of three-dimensional analysis to determine the location of virusmutation. The results of this study showed that most of the AI virus subtype H5N1, which was isolated during the year 2010, showed similar mutations to the genetic drift virus in 2006, A /Ck/West Java/Pwt-Wij/2006. The viruses were characterized by the presence of 18-19 amino acid substitutions at the level of the HA protein. On the NA protein level, there is a single mutation which was buried in the NA molecule. This mutation probably did not influence for NA activity. Genetic mapping of AI virus subtype H5N1 in 2010 showed that the viral genetic driftas the mutan virus A/Ck/West Java/Pwt-Wij/2006 have circulated not only in West Jawa alone but has been found on the island of Sumatra, Banten, West Jawa and East Jawa.Keywords: Circulation, avian influenza H5N1 virus, genetic drift
Hutan Mangrove di Yenanas, Pulau Batanta, Kabupaten Raja Ampat, Propinsi Papua Barat Suhardjono, Suhardjono
JURNAL BIOLOGI INDONESIA Vol 10, No 1 (2014): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v10i1.338

Abstract

A reseach on mangrove vegetation has been conducted in Yenanas, Batanta Island, Raja Ampat Distric, PapuaBarat Province. The results showed that the diversity of mangrove in Kalitoko was relatively high. About 78 speciesof mangrove (61 genera and 42 families) has been recorded among them, 27 species were classified as rare speciesbased on IUCN list with status VU and CR. The result of vegetation analysis analysis of six transect which cover8,200 m2 of mangrove forest in this location recorded 10 species of mangrove plants with level density was 834-1,244 individual/ha and its basal area was 35.38-123.53 m2/ha. For the sapling the density was 440-1,714individual/ha and its basal area 1.48-4.93 m2/ha. While the seedling density up to 86,364-222,500 individual/ha.Key word : Mangrove Forest, Yenanas, Batanta Island, Raja Ampat Distric, Papua Barat Province
Eksplorasi Marka SSR Terpaut Sifat Toleransi Padi Gogo terhadap Alumunium Anggraheni, Yuliana Galih Dyan; Mulyaningsih, Enung Sri
JURNAL BIOLOGI INDONESIA Vol 13, No 1 (2017): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v13i1.3099

Abstract

ABSTRACTThe objective of this research was to study molecular markers were linked to upland rice tolerance of Situ Patenggang x B11930F-TB2 against Al using SSR method. The plant materials were 36 lines of Situ Patenggang x B11930F-TB2 with categories tolerant, moderate, and susceptible to acid soil based on selection in East Lampung. IR6008032 line and ITA variety used as comparative control of tolerant and susceptible. The results showed that 40 primer pairs were applied to 36 lines and allegedly 3 primer pairs that are: RM205, RM257 and RM247 linked to Al tolerance. The markers location analysis on rice chromosome listed as follows: RM205 and RM257 were located on chromosome 9 and RM247 located on chromosome 12 with genetic distance 93,12 cM, 772.62 cM and 13,05 cM, respectively.Keywords: SSR marker, upland rice, aluminium tolerance, ultisols
Keanekaragaman Jenis dan Karakteristik Bertengger Kelelawar Goa Di Stasiun Pusat Penelitian dan Pelatihan Konsewasi Wav Can-gu k Taman Nasional Bukit Barisan Selatan, Lampung Wiantoro, Sigit
JURNAL BIOLOGI INDONESIA Vol 4, No 3 (2007): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2006.953 KB) | DOI: 10.14203/jbi.v4i3.3263

Abstract

TULISAN PENDEKKeanekaragaman Jenis dan Karakteristik Bertengger Kelelawar GoaDi Stasiun Pusat Penelitian dan Pelatihan Konsewasi Wav Can-gu kTaman Nasional Bukit Barisan Selatan, Lampung
Karakteristik Suara Kelompok Kodok Microhylidae Bertubuh Kecil Asdal Bali (Anura: Microhylidae) Kurniati, Hellen; Hamidy, Amir
JURNAL BIOLOGI INDONESIA Vol 10, No 2 (2014): Jurnal Biologi Indonesia
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (300.455 KB) | DOI: 10.14203/jbi.v10i2.2099

Abstract

Advertisement calls of Microhyla palmipes and Oreophryne monticola have never been described before; howevercharacteristics of M. orientalis’s calls has been described just to support new species publication. The advertisement calls oftwo individual males of M. orientalis and M. palmipes which originated from Wongaya Gede, Bali were recorded in July2010 at air temperatures of 26.0°C. Three individuals males of O. monticola were recorded in Eka Karya Botanical Garden,Bali at air temperature of 25.0°C. Call components were obtained from 65 calls of M. orientalis, consisting of 95 pulses; 10calls of M. palmipes, consisting of 113 pulses; 3 calls of O. monticola, consisting of 127 pulses, which were then analyzed toobtain the characteristics of sound waves by using software of Adobe Audition 3.0. Sound waves of M. orientalis mainlyconsists of two dominant frequencies raging from 1873-2062 Hz and 3375-3562 Hz; however sound waves of M. palmipesand O. monticola mainly consist of only one dominant frequency that ranges of the frequency is the same, i.e. 3000-3937Hz. Although M. palmipes and O. monticola have the same range on dominant frequency, but the two species have significantlydifferent on number of period per pulse, pulse duration, pulse interval, pulse period, call duration and call interval.Key words: frog call, Microhylidae, Bali Island
Analisis Fekunditas dan Diameter Telur Kerang Darah (Anadara antiquata) di Perairan Pulau Auki, Kepulauan Padaido, Biak, Papua Widyastuti, Andriani
JURNAL BIOLOGI INDONESIA Vol 7, No 1 (2011): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (203.195 KB) | DOI: 10.14203/jbi.v7i1.3135

Abstract

ABSTRACTAnalysis of fecundity and egg diameter of cockles (Anadara antiquata) in Auki Island Water,Padaido Islands, Biak, Papua. This research was carried out to analyzes fecundity and eggdiameter of cockles (A. antiquata) in sandy base and seagrass bed in Auki island water, PadaidoIslands, Biak, Papua This research was conducted over 10 months (June 2009-March 2010).Samples were collected at monthly intervals and were measured the shell length and bodyweight. The colour of the gonad was used to determine the sex. Fecundity was calculated usingthe volumetric method with Sedwigck Rafter counting cell (SRC cell). The sex ratio was 1,00 :1,92 for cockles in sandy base and 1,00:1,67 for cockles in seagrass bed. Fecundity rangedbetween 100.068 - 4.288.312 for 51.70 to 70.80 mm in shell length for cockles in sandy base andranged between 134.025-3.127.500 for 41,20-66,80 mm in shell length for cockles in seagrassbed. Egg diameter ranged between 20-64 ?m for cockles in sandy base and ranged 10-64 ?m forcockles in seagrass bed.Key words: Cockles, Anadara antiquata, fecundity, egg diameter.
Karakterisasi Pisang Hibrid Tetraploid ‘GRNK’ Hasil Persilangan Pisang Triploid ‘Goroho’ dengan Pisang Iiar Diploid Musa acuminata Colla var. nakaii Nasution Poerba, Yuyu S.; Martanti, Diyah; Handayani, Tri; Witjaksono, Witjaksono
JURNAL BIOLOGI INDONESIA Vol 13, No 2 (2017): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2794.062 KB) | DOI: 10.14203/jbi.v13i2.3393

Abstract

ABSTRACTThe use of tetraploid banana in triploid banana breeding has been conducted through 4x x 2x crossing and/or its reciprocals, 2x x 4x crossing. However, the availability of tetraploid banana is naturally very limited, therefore artificially induced tetraploid banana is needed. The present research is aimed to generate tetraploid banana plants by crossing triploid banana ‘Goroho’ as female parent with wild diploid banana, Musa acuminata var. nakaii Nasution as male parent, and to characterize the tetraploid hybrid. 94 crossings were made by pollinating stigma of Pisang Goroho with polen of M. acuminata var. nakaii. Embrios resulted from hybridization were in vitro rescued and propagated. Hybrid plantlets were then acclimatized in the green house and seedlings were planted in the field for two cycles of banana reproduction. Ploidy identification, morphology and molecular characteristics were also conducted for two cycles of banana reproduction. Results of the experiment showed that 9 hybrid seeds were produced from 94 pollinations. However, only 2 hybrid embryos grew and developed into shoots and from two shoots only one shoot was survived. The one shoot were then in-vitro propagated to produce 21 hybrids planted in the field. After being evaluated for two plant reproductive cycles, all hybrid plants were tetraploids (2n=4x=44). The hybrid plants had drooping leaves, bigger fruit diameter compared to both parents, and blunt fruit tip. DNA (RAPD) profiles of tetraploid hybrid showed that 37.5% of the bands were from female parent, 37.5% from male parents, and 25% from both parents. The tetraploid hybrid ‘GRNK’ is expected to be useful in triploid banana breeding in the future.Key Words: Hybrid banana, tetraploid, Goroho, Musa acuminata Colla var. nakaii Nasution
The Addition of Potato Biscuit in the Feed of Sumatran Slow Loris (Nycticebus coucang Boddaert, 1785) and Javan Slow Loris (Nycticebus javanicus Geoffroy, 1812): The effects on Digestibility and Feed Efficiency Farida, Wartika Rosa; Sari, Andri Permata; Astuti, Wulansih Dwi
JURNAL BIOLOGI INDONESIA Vol 12, No 2 (2016): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (911.676 KB) | DOI: 10.14203/jbi.v12i2.2884

Abstract

ABSTRACTThis experiment aims to determine the effect of the addition of potato biscuit on digestibility and feed efficiency in Sumatran slow loris (Nycticebus coucang). Research has been conducted on Small Mammals Captivity Breeding of Zoology Division, Research Center for Biology - LIPI for 66 days consisting of a 10 days adaptation period of feed and 56 days (8 weeks) data collection period. The material used is four Sumatran slow lorises (N. coucang) and two Javan slow lorises (N. javanicus). Feed given during the study are banana, papaya, dragon fruit, guava, passion fruit, boiled sweet potato, boiled egg potato biscuits, crickets, and meal worm. Feed treatment to Sumatran slow loris consisting of feed control (T0) and T0 plus potato biscuits (T1), while Javan slow loris was only fed T1 as a comparison. Parameters measured were consumption, digestibility, and feed efficiency. The most palatable feed types for Sumatran slow loris and Javan slow loris are banana, cricket, and meal worm. Mean of feed intake at T0 and T1 treatment was 38.63 and 37.42 g / head / day, and that of Javan slow loris is 42.51 g / head / day. Mean of dry matter digestibility of Javan slow loris> T1> T0, namely 92.02%, 91.21%, and 88.95% respectively; whereas the highest average feed efficiency (EPP) is at 12.06% for Sumatran Slow loris and 9.10% in Javan slow loris. The average of total digestible nutrients (TDN) of Javan slow loris> T1> T0, namely 87.04%, 85.34%, and 83.54% respectively.Keywords: consumption, digestibility, feed utilization, Nycticebus coucang, Nycticebus javanicus

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