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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
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TINGKAT EKSPLOITASI IKAN ENDEMIK BONTI-BONTI (PARATHERINA STRIATA) DI DANAU TOWUTI Nasution, Syahroma Husni
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 | DOI: 10.14203/jbi.v7i1.3128

Abstract

ABSTRACTThe Exploitation Rate of Endemic Bonti-bonti (Paratherina striata) in Towuti Lake. Bonti-bonti(Paratherina striata) is an endemic fish species as vulnerable species to extinction. This fish livein Towuti and Mahalona Lake the tectonic-oligotrophic lakes that are located in Malili Complex,South Sulawesi. This lake is used for various purposes i.e. hydroelectric power plant, capturefishery, navigation, ecotourism and source of water for domestic uses. This lake also supports lifeof endemic fish species that should be protected from decreasing population due to intensiveexploitation. The objective of this research was to study the exploitation rate of Bonti-bonti asconservation efforts. The study was done in Towuti Lake from May 2006 to April 2007 usingdescriptive method. Utilization rate of Bonti-bonti stocks in Towuti Lake indicated an overfishingcondition of male and female population. Increasing effort (units/month) of dipnet tends to reducefishing gear productivity.Key words: exploitation rate, Bonti-bonti, endemic fish and Towuti Lake
AKTIVITAS PERILAKU MAKAN KUKANG SUMATERA (NYCICEBUS COUCANG COUCANG) PADA MALAM HARI DI PENANGKARAN Semiadi, Gono; Ba'alwy, Mukhlis; Tjakradidjaja, Anita S.; Diapari, Didid
JURNAL BIOLOGI INDONESIA Vol 3, No 4 (2002): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v3i4.3320

Abstract

ABSTRACTFeeding Behaviour Activity of Slow Loris (Nycicebus coucang coucang) at Night inCaptivity. Slow loris (Nycticebus coucang) is an endangered tropical primate, with itsdistribution in Indonesia stretch from Java, Sumatra to Kalimantan islands. Population declineare mainly due to habitat destruction, competition in feed and space and live capture to be soldas pet animals. One of the strategies to conserve the species is through captive breedingprogram (ex situ). Understanding the behaviour of slow loris in captivity, especially theirfeeding behaviour, will provide valuable information for obtaining maximal management. Thestudy was conducted at Mammals Captive Breeding, Pusat Penelitian Biologi-LIP1 in Bogor,for three months. Three adults slow loris consisting of two males and one female, were placedin individual cages and observed their nighttime feeding behaviour. Feeds that were givenconsisted of banana, marquise, guava, coconut, papaya, sweet corn, bread and quail eggs. Onezero sampling method was used in the observation with fifteen minutes interval. The resultsshowed that night feeding activity took place 12.44% of the total activities, with the highestactivity took place between 18.00-19.00 WIB as much as 6,1%. Drinking activity took placeonly 0,21% of the total activities, with defecation and urination activities were noted only3,84% and 2,73%, respectively. Others activities, such as locomotion, grooming and restingwere 14,59%, 58,08% and 8,12%, respectively, of the total activities.Keywords : Slow loris, Nycticebus coucang, captive breeding, behaviour, activities
SIFAT FISIKOKIMIA TEPUNG GEMBILI (DIOSCOREA ESCULENTA (LOUR.) BURK.) HASIL FERMENTASI DENGAN PENAMBAHAN INOKULUM BAKTERI SELULOLITIK DAN BAKTERI ASAM LAKTAT Saskiawan, Iwan; Nafiâ??ah, Maidatun
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.v10i1.335

Abstract

Gembili is a tuber plant which is usually used as an alternative food source. It containts high carbohydrates andpotentially to be developed into flour. Fermentation of gembili is the method to improve the quality of gembiliflour. The objective of this research was to study the physicochemical properties of fermented gembili flour with theaddition of cellulolytic (BS) and lactic acid bacteria (BAL). There were four treatments, namely naturalfermentation without the addition of neither BS nor BAL, with the addition of BS, with the addition of BAL, andwith the addition of BS and BAL. Fermentation was carried out for three days. Temperature, pH, the number ofbacteria, as well as cellulase and amylase activity were observed every day. The studies of physical properties ofgembili flour were the color, flavor, texture, and yield. Furthermore, the chemical properties included water, ash,carbohydrate, fat, and protein content. Data were analyzed by ANOVA and continued by LSD test at 5%significance level. It showed that the physical properties of flour color in the treatment of BS fermentation werebetter than other treatments. However, the aroma and texture did not show any significant difference. Thechemical properties showed no significant difference among all treatments.Keywords: fermented gembili flour, physicochemical
UTILIZATION OF GARLIC WITH AND WITHOUT ADDITION OF ENZYMES ON BLACK-CAPPED LORY (LORIUS LORY LINNAEUS, 1758) IN CAPTIVE BREEDING Sari, Andri Permata; Nugroho, Herjuno Ari; Maharani, Sinta
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.v13i1.3090

Abstract

ABSTRACTPhytogenic feed additives are plant-derived product such as herbs, spices, and essential oils used in animal feed to improve their performances and health. Garlic (Allium sativum) is well-known as a spice and herbal medicine. Garlic possesses antimicrobial activity and increase nutrient digestibility in animal. The objectives of this study were to compare the effect of supplementing garlic, exogenous enzyme and combination of both on Black-capped Lory (Lorius lory) in digestibility and bacterial count on excreta. Five Black-capped Lory were used in the study and fed with control diet (K1), control diet supplemented with garlic powder (K2), control diet supplemented with Allzyme SSF (K3), and control diet supplemented with both garlic powder and Allzyme SSF (K4). Variables observed include feed consumption, Apparent Metabolizable Energy (AME) value and bacterial count in excreta. Adding enzyme to the diet increased AME compared to control. AME value of K1 was 3,579 kcal/kg, meanwhile AME value of diet K3 and K4 were 3,690 kcal/kg and 3,619 kcal/kg respectively. Adding garlic to the diet did not give significant improvement to AME value. The highest inhibition of bacterial population was in K2 mash. Combination of allzyme and garlic addition showed decreased in bacterial number.Keywords: Allzyme SSF, AME value, bacterial population, black-capped Lory, garlic
POTENSI HIPERTOLERANSI CALOPOGONIUM MUCUNOIDES, CENTROSEMA PUBESCENS DAN CAJANUS CAJAN YANG TUMBUH PADA LIMBAH PENAMBANGAN EMAS TERKONTAMINASI SIANIDA DAN MERKURI Syarif, Fauzia; Hidayati, Nuril; Juhaeti, Titi
JURNAL BIOLOGI INDONESIA Vol 4, No 4 (2007): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v4i4.3251

Abstract

ABSTRACTPotency of Hypertolerance of Calopogonium mucunoides, Centrosema pubescensand Cajanus cajan . Grown on Gold Mine waste Media Contaminated by Cyanideand Mercury. Cleaning up contaminated environment by using green technology ofphytoremediation is urgently needed in the future. These plants will be utilized ashyperaccumulators for cleaning up the contaminated sites. The results of plant screeningshowed that some plant species, which grow in the contaminated areas, indicated hightolerance and potentially effective in accumulating cyanide and mercury in their rootsand above ground portions. Those plants are Calopogonium mucunoides and Centrosemapubescens. This research aims to examine the potency of three candidate plants i.eCalopogonium mucunoides, Centrosemapubescens and Cajanus cajan, that were grownunder three different media i.e tailing waste of PT ANTAM contaminated by cyanide,public mine or PET1 waste that were contaminated by mercury and non contaminated topsoil as a control. The results showed that all of the species were able to grow undercontaminated media and showed a considerable tolerance by indicated high cyanide andmercury accumulation in their shoot and root. Among those three plants, Centrosemapubescens showed the highest level of cyanide and mercury accumulation i.e 3.29 mg I-' CN (in the shoot), 34.72 mg I-' Hg (in the shoot) and 17.47 mg lk' Hg (in the root),followed by Calopogonium mucunoides i.e 14,97 mg I-' CN (in the root). Concentrationratio of CN and Hg accumulation in shoot/root of Centrosemapubescens was >I indicatingthat this plant, according to the definition can beconsidered as a hyperaccumulator.Key Words: Calopogonium mucunoides, Centrosemapubescens, Cajanus cajan, mercury,cyanide, waste
KOMPOSISI FITOPLANTON DAN STATUS KESUBURAN PERAIRAN DANAU LIDO, BOGOR-JAWA BARAT MELALUI BEBERAPA PENDEKATAN Pratiwi, Niken TM; Hariyadi, Sigid; Ayu, Inna Puspa; Iswantari, Aliati
JURNAL BIOLOGI INDONESIA Vol 9, No 1 (2013): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v9i1.152

Abstract

Danau Lido merupakan perairan yang banyak dimanfaatkan untuk berbagai aktivitas manusia yang akan memberimasukan bahan organik dan anorganik ke perairan. Masukan tersebut dapat meningkatkan kandungan nutrienperairan. Hal ini dapat menyebabkan berubahnya status kesuburan perairan. Penelitian ini bertujuan untukmengetahui komposisi fitoplankton dan menduga status kesuburan perairan Danau Lido melalui beberapa pendekatan.Komposisi fitoplankton di stasiun KJA dan non-KJA relatif sama. Proporsi dan kelimpahan tertinggiberasal dari kelompok Bacillariophyceae, terutama dari genus Melosira sp. Status kesuburan berdasarkan parameteryang diolah dengan menggunakan pendekatan TSI, TRIX, dan Indeks Nygaard menunjukkan bahwa perairan DanauLido memiliki status kesuburan eutrofik. Indeks Nygaard masih relevan dan dapat diterapkan dalam penentuanstatus kesuburan perairan.Kata kunci: Danau Lido, Indeks Nygaard, status trofik, TRIX, TSI
PENGUJIAN KETAHANAN KEKERINGAN PADA TANAMAN GARUT (MARANTA ARUNDINACEA L.) HASIL MUTASI DENGAN RADIASI SINAR GAMMA Hidayati, Nuril; Sukamto, Lazarus A.; Juhaeti, Titi
JURNAL BIOLOGI INDONESIA Vol 8, No 2 (2012): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v8i2.3053

Abstract

Drought Tolerance Assay on Resulted Mutation of Arrowroot Plant (Maranta arundinacea L.) with Gamma Irradiation. Selection of garut (Maranta arundinacea L.) toward drought stress was conducted in induced mutant by using provenance plants from some semi aridregions of East Jawa. In this research three provenance were used 1) Garut from Dusun Pogal, Desa Lebakrejo, Kec. Purwodadi, Kab. Pasuruan (N1); 2) Garut from Dusun Sembung, Desa Parerejo, Kec. Purwodadi, Kab. Pasuruan (N5); 3) Garut from Dusun Genitri, Desa Gunting, Kec. Sukorejo, Kab. Pasuruan (N8). Provenance plants were treated with mutation induction using several levels of gamma radiation i.e. 0, 10, 20 and 40 Gy. The inducted plants were thenplanted in optimum environmental condition for acclimatization. After 5 months the plants were placed in a greenhouse for water stress treatments. Three levels of water regimes 1) optimum water (field capacity Ø = -0,3 to -1,5 Mpa); 2) 7 days watering interval (Ø =-1,0 to -11,0 Mpa); 3) 14 days interval (Ø = -4,0 to -15,0 Mpa). Plant drought tolerance was examined by analyzing morphological and physiological characteristics related to drought tolerant characteristics, including stomatal conductance (stomatal opening), transpiration, rate of CO2 assimilation, biomass production and yield, Harvest Index and drought Tolerance Index. The resultsshowed that radiation treated plants were more capable of maintaining their water potential (Ø). This indicated by significantly higher values of Ø in treated plants i.e. -2.95 Mpa(10 Gy),-2.86 Mpa (20 Gy) and -2.84 Mpa (40 Gy), compared to -3.74 (Untreated plants). Drought stressed plants produced total biomass 79,55 g/plant, much lower compared to unstressed plants (308,20 g/plant). The highest yield was N8 (219,53 g biomass and 139,83 g tuber), followed by N1 (183,32 g biomass and 126,20 g tuber) and N5 (178,8 g biomass and 136,64 g tuber). Drought Tolerance Index of untreated N1 was the highest (1,27), followed by N5 treatedwith 40 Gy (1.22), N1 with 10 Gy (1.17) and N8 with 40 Gy (1.00). Among radiation treatments, untreated plant produced the highest yield followed by the plants treated with 10 Gy, and the lowest was treated with 40 Gy.Keywords: Drought, tolerance, Maranta arundinacea, mutation, gamma, radiation
PEMETAAN GENETIK VIRUS AVIAN INFLUENZA DI INDONESIA 2007 Dharmayanti, NLP Indi; Indriani, R.; Hartawan, R.; Hewajuli, D.A.; Ratnawati, A.; Darminto, Darminto
JURNAL BIOLOGI INDONESIA Vol 5, No 2 (2008): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v5i2.3195

Abstract

ABSTRACTGenetic Mapping of Indonesian Avian Influenza Viruses 2007.Department of agricultureimplements vaccination as one a tool to control of avian influenza disease. The vaccinationprogram use virus seed such as H5N1, H5N2 and H5N9. Such as vaccination program for otherdiseases, avian influenza vaccine program have lack implementation in the field. In 2007,department of agriculture evaluated the AI vaccination program such as the master seedvaccine that can be used. Result of the evaluation showed that 11 of AI vaccines that weredistributed in Indonesia did not give protection more than 60% to Indonesian isolates in 2006(A/Ck/Pwt-Wij/06). From this point and many AI cases in the field in 2007, the aim of thisstudy was to conduct genetic diversity of avian influenza viruses which have circulated inIndonesia region. We used virus isolation for propagate the viruses, RT-PCR for identificationand DNA sequencing on HA1 region to analysis genetic diversity for genetic mapping anduseful for master seed candidate. The result of the study showed that there were 6 group ofgenetic diversity in 2007; Isolates from group 1, 5 and 6 can be used for AI vaccine candidate.Key words: genetic mapping, genetic diversity and avian influenza viruses
AKTIVITAS MAKAN ALAP-ALAP CAPUNG (MICROHIERAX FRINGILLARIUS DRAPIEZ, 1824) PADA MASA ADAPTASI DI KANDANG PENANGKARAN Rachmatika, Rini
JURNAL BIOLOGI INDONESIA Vol 14, No 2 (2018): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v14i2.3740

Abstract

ABSTRACTBlack thighed falconet is smallest bird from falconidae. This study aimed to determine nutrient requirement and describe feeding activity of black thighed falconet (Microhierax fringillarius Drapiez, 1824) on the adaptation period at the captive breeding facility. This observation was conducted at the bird captivity of Research Center of Biology. Black tighed falconet in this research have weighted about 33.65 ± 2.48 grams. Feed given once a day in the morning consist of scaly-breasted munia (Lonchura punctulata), mice, frozen tilapia fish and frozen beef. Observation of feeding activity using a focal animal sampling technique for 20 days. Data were analyzed descriptive method. Observations started in the morning at 08:00 am until feeding activity finished. Parameter measured were feeding activity, feed intake and feeding time needed. Temperature and humidity recorded in the morning (8:00 am), noon (12:00 pm), and afternoon (4:00 pm). Based on observations, the highest feed intake was mice (3,71 g/head/day) with a gross energy of 217.23 cal/head/day and the lowest was tilapia fish (2.52 g/head/days) with a gross energy of 147.52cal/head/day. The fastest meal time needed was mice (29.47±1.54 minutes) and the slowest was tilapia fish (46.51 ± 3.51 minutes). Keyword: Falconidae, feeding behavior,  captive breeding 
ANALISIS SEKUEN DNA MITOKONDRIA CYTOCHROME OXIDASE I (COI) MTDNA PADA KUKANG INDONESIA (NYCTICEBUS SPP) SEBAGAI PENANDA GUNA PENGEMBANGAN IDENTIFIKASI SPESIES Wirdateti, Wirdateti; Indriana, Eka; Handayani, Handayani
JURNAL BIOLOGI INDONESIA Vol 12, No 1 (2016): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v12i1.2322

Abstract

Slow lories is small size primates of the genus Nycticebus that are in endangered status. Habitat pressure andhigh trade as pet animals has made the population decline both quantitatively and qualitatively, therefore it isnecessary to save the slow lories through conservation action. Morphologically, the individuals are difficult tobe distinguished among the species, therefore making much harder in identification for conservation purposessuch as from confiscated individuals. Therefore molecular marker is needed through mitochondrial DNA usingCOI gene sequences analysis is needed for identification. This study used 24 samples of slow lories consistedof 2 from Kalimantan, 9 from Java and 13 from Sumatra. The result indicated that in the 660 bp there were 62variable sites with 15 haplotypes: 4 haplotypes of N. javanicus, 9 haplotypes N. coucang, and 2 haplotypes N.menagensis. Base on nucleotide variations at specific sites, it was formed haplotype differences among species.The average genetic distance between species showed that Kalimanatan population were closer to thepopulation of Sumatra (d= 0.042 ± 0.006) compared with Java population (d= 0.059 ± 0.009), whereas thegenetic distance within population showed the population of Java had low diversity (d= 0.002) with a meannucleotide differences 2.6. Thus Jawan slow loris (N. javanicus) should be conserved.Keywords: Nycticebus spp., molecular, COI, conservation, marker

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