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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
 74   75   76   77   78 
PRODUKTITVITAS DIATOM PERIFITIK YANG DITUMBUHKAN PADA TIPE SUBTRAT BERBEDA SEBAGAI ALTERNATIF PENYEDIAAN PAKAN ALAMI UDANG Pratiwi, Niken T.M.; Adiwilaga, Enan M.; Widigdo, Bambang; Soedharma, Dedi
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 | DOI: 10.14203/jbi.v4i3.3262

Abstract

ABSTRACTThe Productivity of Periphytic Diatom Grown on Different Types of Substrates asan Alternative on Providing Natural Feed for shrimp. Providing natural feed is anattempt to support fisheries culture in a polite way for the sustainability of environment.Periphytic community is living aquatic resources that have a potential value for thispurpose. The major component of saline water periphytic community is diatom.The study was emphasized on diatom presentation grown on two types of artificialsubstrates: biocrete (sand, palm fiber, cement) and zeocrete (zeolite, palm fiber, cement).The reseach was conducted in laboratory with an experimen design follows split splitplot in times. The aim of the research is to study the ecological factor and availablenutrients to support the growth of periphitic diatoms (Amphora, Cyclotella, Melosira,Navicula, Phaeodactylum, and Thallassiosira) on two different substrates. Theproductivity of diatom, and the effect of shrimp larvae on the diatom productivity werealso analyzed. Two fertilized materials (biocrete and zeocrete) with two main treatmentsand three levels of treatments each, and unfertilized materials were used as artificialsubstrates for periphitic diatoms. The results show that all treatment could give sufficientbiological available nutrient for the diatoms. The highest diatom productivity was achievedby the population on third level ratio of fertilized biocrete and zeocrete (added by fertilizedwith N:P ratio of 30:l). Diatom productivity follows the shrimp larvae grazing. Theshrimp larvae could grow well on the media with diatom that were grown on fertilizedbiocrete.Key words: periphytic diatoms, natural feed, biocrete, zeocrete, productivity
KARAKTERISTIK POPULASI LABI-LABI AMYDA CARTILAGINEA (BODDAERT, 1770) YANG TERTANGKAP DI SUMATERA SELATAN Sentosa, Agus Arifin; Wijaya, Danu; Suryandari, Astri
JURNAL BIOLOGI INDONESIA Vol 9, No 2 (2013): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v9i2.164

Abstract

The Asiatic softshell turtle Amyda cartilaginea (Boddaert, 1770) is one of the reptile commodities included in CITESAppendix II with vulnerable status according to IUCN. The species has been harvesting, especially for export purposein South Sumatera. The reseach was aimed to know the population characteristics of the Asiatic softshell turtleharvested in South Sumatera. The study was carried out based on enumerators approach from July to Desember2012 in South Sumatera. The data enumeration also has been collected from the 1st collectors. Data analysis includedthe size distribution of carapace curve length (CCL), carapace curve width (CCW), body weight, sex ratio, agestructure, CCL-weight relationship and von Bertalanffy growth parameters. The results showed that there wererecorded 306 individuals of A. cartilaginea (92% adult) with sex ratio male and female is 42:58. Its has carapacecurve length range from 10 to 75.5 cm, carapace curve width 9 to 59.5 cm and body weight 0.02 to 40 kg. A.cartilaginea growth pattern was negatively allometric (b = 2.727). The von Bertalanffy growth formula of A.cartilaginea in South Sumatera was PLK(t) = 78,75{1-exp[-0,18(t-(-0,72)]} cm.Keywords: Amyda cartilaginea, population characteristics, South Sumatera
SIKLUS HIDUP JAMUR KONSUMSI LOKAL KULAT KRITIP (SCHIZOPHYLLUM COMMUNE) PADA DAERAH BERGAMBUT DAN DAERAH BERTANAH MINERAL SERTA POTENSI NUTRISINYA Nion, Yanetri Asi; Djaya, Adrianson Agus; Kadie, Evi Marlia; ,, Lune; ,, Sumarlan; Wijaya, C. Hanny
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.v8i2.3060

Abstract

Tulisan Pendek
EFEK PENGHAMBATAN TERHADAP PERTUMBUHAN TUMOR PARU DAN UJI KETOKSIKAN AKUT EKSTRAK KAPSUL CHANG SHEUW TIAN RAN LING YAO PADA MENCIT (MUS MUSCULUS) DAN TIKUS (RATUS TANEZUMI) Fudholi, Ahmad; Meiyanto, Edy; Donatus, Imono Argo; Nurrochmad, Arief; Hakim, Arief Rahman; Murwanti, Retno
JURNAL BIOLOGI INDONESIA Vol 5, No 1 (2008): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v5i1.3202

Abstract

Inhibitory Phases Effect of The Lung Cancer And Acute Toxicity of Chang Sheuw Tian RanLing Yao Capsule Extracts in House mice (Mus musculus) and Rat (Ratus tanezumi). Effortsto find anticancer agents have been developed nowadays, some of them are focused in traditionalherbs. One of the available products in the market that claims effective to cure cancer isthe Chang Sheuw Tian Ran Ling Yao, PT. Daun Teratai extract containing CAPSULE (CSTRLYextract). The aim of this study is to examine of confession of some people which are usingthe useful of medicine CSTRLY extract capsule through inhibitor laboratory effect of theCSTRLY extract in the initiation and post initiation phases of the lung cancer in mice and ratsthat had been induced by eather Benzo[?]pyrene (BP) or Dimetilbenz[?]antrazene (DMBA)and to clarify the potency of acute toxicity and specific toxic manifestations of thephytopharmaca.The results showed that the CSTRLY extract can reduce the cancer incidence caused bycarcinogen, BP and DMBA. Moreover, the extract can also inhibit the cancer growth in themice and rats, especially in the early post-initiation phase. Further, the histopathologicalevaluation showed that up to the highest dose level that technically could be administrated tothe animals (12500 mg/kg bw), no animal death was occurred. Furthermore, the ADG values formale and female rats indicated no significant different (P > 0.05) that relative to the controlgroup. No animals were shows physical symptom as a toxic manifestation. It?s indicated thatthe phytopharmaca no influenced to somatomotor and nervous system. Within the dose rangeadministrations, no detectable morphological toxic effects or histophatological changes of theliver, spleen, heart, and lungs were observed. the acute toxicity value of Chang Sheuw TianRan Ling Yao Capsule was very low (or minimal almost non-toxic with LD50 > 12500 mg/kg bw)and the spectrum of toxic effects of the phytopharmaca were considered negligible.Key words: Ekstract, CSTRLY, mice and rat, BP, DMBA, carsinogenesis, lung cancer
KEMAMPUAN PRIMER GENERAL CK4/CK2 VIRUS INFECTIOUS BRONCHITIS (IBV) UNTUK MENGAPLIFIKASI GENOM IBV ISOLAT LAPANG INDONESIA Dharmayanti, N.L P.I.; Asmara, W.; Artama, W. T.; Indriani, R.; Darminto, Darminto
JURNAL BIOLOGI INDONESIA Vol 3, No 3 (2002): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v3i3.3473

Abstract

ABSTRACTCapability of general primer CK4/CK2 infectious bronchitis virus (IBV) to amplify of genomic IBV field isolates in Indonesia. Avian infectious bronchitis virus (IBV), the prototype of coronaviridae, is highly contangius, economically important pathogen of the chickens. Comparative sequence analysis of IBV S1 gene revealed regions that were conserved among serotypes. Two of conservesd region were used to develop degenarate general primer CK4/CK2 for amplifying IBV genomic RNA by RT-PCR. The aims of this study to demonstrated ability of general primer CK4/CK2 for amplified S1 gene IBV field isolates in Indonesia. The result of this is study suggest that only three IBV field isolates that can be amplified by primer CK4/CK2 that are I-14, I-37 and I-269.Key words: Capability, general primer CK4/CK2, infectious bronchitis virus, field isolates
POPULASI, KO-OKURENSI DAN PREFERENSI HABITAT ARECA MACROCALYX DI PULAU WAIGEO-PAPUA BARAT Widyatmoko, Didik
JURNAL BIOLOGI INDONESIA Vol 11, No 1 (2015): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v11i1.2160

Abstract

Research on population status, co-occurrence and habitat preference of the New Guinean palm Areca macrocalyx Zippelius ex Blume in hill forests of the Waigeo island (West Papua) was conducted in 2012 at six different habitat types: river bank, hill slope, hill top, intact, disturbed and converted forests. Population sizes varied spatially and were dominated by seedlings (62%) and juveniles (24%), indicating a growing population, in which recruitment and mortality were simultaneously continuous and density dependent. A. macrocalyx seemed to prefer specific habitats where river banks situated in the intact forest being the most suitable habitat. Although this palm still tolerated hill tops, the populations were suppressed and seemed to be sensitive to disturbance and changes in water table. A number of interrelating edaphic factors appeared to influence the abundance of this palm with a preference for well-drained soils with a high magnesium (Mg2+) content. High alkaline concentrations also corresponded to the density of the palm. Based on the association levels calculated using the Ochiai method, four tropical species (i.e. Licuala graminifolia, Tabernaemontana aurantiaca, Orania regalis, and Sommieria leucophylla) were positively associated with A. macrocalyx while ten other species were negatively associated. The palm tended to occupy sites with low-moderate C/N ratios where most sampled populations occurred in habitats with the average C/N values of lower than 10. Based on the r-squared values, exchangeable Mg2+ and Ca2+ appeared to have more influence on plant density and frequency than on canopy and basal area. Mortality was higher among the early growth stages but becoming very low in adult individuals. These findings suggest that edaphic factor is a determinant of the abundance and occurrence of the palm. To conserve the most important remaining populations, it is crucial to protect the most suitable sites and the existing-interconnected biotic factors in the reserve.  Keywords: Areca macrocalyx, population, co-occurrence, habitat preference, Waigeo island 
BIRD COMMUNITY STRUCTURE IN KARIMUNJAWA ISLANDS, CENTRAL JAWA Hemelda, Niarsi Merry; Khusnuzon, Ummi Syifa; Pangestu, Putri Sandy
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.v7i1.3126

Abstract

ABSTRAKStruktur Komunitas Burung di Kepulauan Karimunjawa Jawa Tengah. Karimunjawa sebagaisalah satu taman nasional yang memiliki berbagai macam tipe habitat dengan tingginyakeragaman jenis burung yang ada. Penelitian kesamaan keragaman jenis burung telah dilakukandi area di hutan Legon Lele, Nyamplungan,kawasan pemukiman pedesaan Karimunjawa danLegon Lele, kawasan kolam Cikemas dan Jatikerep, dan kawasan pantai Terusan, semuapendataan tersebut di lakukan di bulan Agustus 2009. Menggunakan metode titik telahterdata ada39 jenis burung ditemukan dikawasan tersebut. Indeks keragaman jens Shanonuntuk masing-masing lokasi seperti pemukiman Legon Lele (H?=2.33), pantai Terusan (H?=2.31),kolam Jatikerep (H?=2.28), kolam Cikemas (H?=2.07), hutan Legon Lele (H?=1.81), pemukimanKarimunjawa (H?=1.75), dan hutan Nyamplungan (H?=1.65).Kata kunci: Habitat, burung, Karimunjawa.
PENGARUH RADIASI SINAR GAMMA DAN ASAM FUSARAT UNTUK MENINGKATKAN KETAHANAN ABAKA (MUSA TEXTILIS NEE) TERHADAP FASARIURN OXYSPORUM Damayanti, Fitri; Suharsono, Suharsono; Mariska, Ika
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.v3i4.3285

Abstract

ABSTRACTEffect of gamma radiation and fusaric acid for resistance to wild Fusarium disease onabaca plant (Mum textillis Nee). The problem in abaca production is wilt disease infectioncaused by Fusarium oxysporzim. The resistant variety against the pathogen has not beenavailable yet. The disease resistance character of the species might be improved throughsomaclonal variation and in vitro selection. Different pure toxin of fusaric acid concentration(0, 15,30,45,60, and 75 mg/l) was used as component selection to get new hope numbers ofresistant abaca to wilt Fusarium disease through in vitro selection. Concentration of 45 mgllfusaric acid is lethal for abaca, so we used this concentration as dose of selection to selectshoots from irradiated calli. Gamma irradiation was used as mutagent to increase somaclonalvariation on abaca. Six levels of gamma-ray radiation (0, 0.5, 1, 2, and 3 Krad) were appliedto embriogenic calli. Increasing dose of radiation decreased the viability of calli. LDso wasfound between 1-1.5 Krad of radiation dose. In vitro selection was carried out in two stages.The concentration of selection of hsaric acid in stage I1 was increased one level to theconcentration in stage 1. Stage I selection of shoots from irradiated calli on mediumcontaining pure toxin 45 mg/l fusaric acid, showed that the survival capacity decreasing withthe increasing doses of gamma irradiation. In stage 11, shoots from irradiated calli (at 0.5 and1 Krad) could survive on medium containing 60 mg/l fusaric acid. In medium selectioncontaining 50% filtrate F. oxysporum, fusaric acid resistant shoots were also filtrate resistant.There was a correlation between in vitro fusaric acid and filtrate of F. oxysporum resistantplant and conidia suspension of F. oxysporum resistkt plant in the greenhouse.Keywords: Gamma radiation, in vitro selection, fusaric acid, Musa textilis, Fusariumoxysporum
FAUNA TUNGAU MACROCHELIDAE (MESOSTIGMATA: ACARI) DAN ASOSIASINYA DENGAN KUMBANG KOTORAN DI GUNUNG SAWAL, CIAMIS, JAWA BARAT Hartini, Sri
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.v10i1.333

Abstract

Study of macrochelid mite: Mesostigmata: Acari has been done in Mt. Sawal Nature Reserve, Ciamis, West Java.Three genera, eight species of family Macrochelidae collected associated with scarabaeid dung beetles. Genera ofmites i.e., Holostaspella (H. oblonga Hartini & Takaku, 2010), Neopodocinum [N. bosschai (Berlese, 1901) and N.subjaspersi Hartini & Takaku, 2003] and Macrocheles [M. dispar (Berles, 1910)]; M. jabarensis Hartini & Takaku,2003; M. kraepelini (Berlese, 1905); M. pumilus Hartini, Dwibadra & Takaku, 2009 and M. sukabumiensis Hartini& Takaku, 2003]. Scarabaeid dung beetles assosiated with macrochelid mite reported three genera and 10 species,i.e., Catharsius, Copris and Onthophagus. The high value of niche overlap of two dung beetles O. (O.) orientalis andO. (O.) javaecola (96,97%) shows that the two beetle species are able to serve almost equally as transportation modefor the same species of macrochelid mites.Keywords: Macrochelid mite, Mt. Sawal, dung beetles
AFFECT OF CANOPY STRATUM AND METHODS OF BREAKING SEED DORMANCY ON SEEDLING GROWTH OF CALLIANDRA TETRAGONA BETH. AND ACACIA TAMARINDIFOLIA (L.) WILLD. Ekasari, Indriani
JURNAL BIOLOGI INDONESIA Vol 7, No 2 (2011): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v7i2.3085

Abstract

Pengaruh Strata Tajuk Pohon dan Metode Pemecah Dormansi Biji Terhadap Pertumbuhan Semai Kaliandra (Calliandra tetragona Benth.) dan Akasia (Acacia tamarindifolia (L.) Willd.) Fase semai merupakan langkah awal untuk pertumbuhan suatu pohon. Diduga terdapat beberapa faktor yang mempengaruhi pertumbuhan semai yang berasal dari biji. Beberapa faktortersebut antara lain pengaruh penerimaan cahaya matahari terhadap letak buah pada strata tajuk pohon serta metode pemecahan dormansi biji pada tipe biji ortodok menjadi sangat penting untuk diperhatikan. Sedangkan jenis-jenis pohon yang diuji pada studi ini adalah Kaliandra (Calliandra tetragona Benth.) dan Akasia (Acacia tamarindifolia (L.) Willd.). Keduajenis pohon ini merupakan jenis tanaman multi fungsi karena dapat digunakan sebagai tanaman perintis (pioneer species). Tujuan penelitian ini adalah untuk mengetahui pertumbuhan semai yang paling baik dengan menentukan letak buah pada posisi strata tajuk serta menentukanmetode pemecah dormansi biji yang paling tepat untuk biji ortodok. Lokasi penelitian berada di wilayah UPT Balai Konservasi Tumbuhan Kebun Raya Cibodas-LIPI. Pengujian pengambilan buah pada kedua jenis pohon dibagi menjadi 2 strata tajuk (atas dan bawah) dan metode pemecahan dormansi biji dibagi menjadi 3 (kontrol, fisik dan mekanis). Setiap satu jenis pohonterdapat 6 kombinasi perlakuan. Sedangkan setiap kombinasi perlakuan berisikan 100 biji dan hanya 20 semai yang dihitung untuk sample pada tiap kombinasi perlakuan. Penelitian ini dilakukan hingga semai berumur 3 bulan. Parameter pengamatan pertumbuhan semai ini adalah panjang batang dan panjang akar. Hasil ANOVA didapatkan hasil pertumbuhan batang kedua jenis pohon tersebut signifikan (0,026) pada level 5% untuk interaksi jenis pohon, strata tajuk pohon dan metode pemecahan dormansi. Hasil pada pertumbuhan panjang akar terlihat signifikan (4,239) pada level 5% untuk interaksi antara jenis tanaman dan strata tajuk pohon.Sedangkan interaksi antara metode pemecah dormansi dan jenis pohon signifikan (20,332) pada level 1%.Kata kunci: Strata tajuk, Pemecah dormansi biji, Pertumbuhan semai.

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