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BERITA BIOLOGI
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Articles 2,125 Documents
PALMS DIVERSITY, COMPOSITION, DENSITY AND ITS UTILIZATION IN THE GUNUNG HALIMUN SALAK NATIONAL PARK, WEST JAVA-INDONESIA WITH SPECIAL REFERENCE TO THE KASEPUHAN CIPTAGELAR Wardah, Wardah; Mogea, JP
BERITA BIOLOGI Vol 9, No 4 (2009)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (949.759 KB) | DOI: 10.14203/beritabiologi.v9i4.2017

Abstract

Palms diversity, composition, and density in six selected sites of 15 rectangular plots of 100 x 20 m were successfully studied.The sites are in Kasepuhan Ciptagelar, which located in the Gunung Halimun Salak National Park in West Java.The sites are in the disturbed primary submontane forest at 800 to 1400 m altitude. Ethnobotanical observations made in some of the villages in Kasepuhan Ciptagelar proceeded through informal unending open interviews involving some traditional elders, prominent communities, and handicraftsmen. There is no species addition to the park from the Kasepuhan Cigelar. Three species of rattans(Calamus polysiachys, C. burcklanus, and Korthalsia laciniosa) are added to the park from Cibedug, Leuwijamang, Ciptarasa, and Cikidang. Young leaves of Daemonorops rubra are used for traditional Inner Baduy cloth. The use of C. javensis canes for bracelets and rings, and the infructescence of Plectocomia elongala for decoration are new findings.
ESTIMASI BIOMASA DAN KARBON TERSIMPAN PADA Pinus merkusii Jungh. & de Vriese DI HUTAN PINUS GN. BUNDER, TN. GN. HALIMUN SALAK [Biomass Estimation and Carbon Stock on Pinus merkusii Jungh. & de Vriese In Pine Forest At Bunder Mount, Gunung Halimun Salak National Park] Polosakan, Ruddy; Alhamd, Laode; Rahajoe, Joeni S.
BERITA BIOLOGI Vol 13, No 2 (2014)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (351.481 KB) | DOI: 10.14203/beritabiologi.v13i2.684

Abstract

A study on the biomass and carbon stock estimation of Pinus merkusii Jungh. & de Vriese plantation has been conducted on 17-years and 30-years old pine forest in Gunung Bunder, Halimun Salak National Park. The method used was the allometric with non destructive technique. The results showed that pine trees density of 30-years old pine was 542 trees ha-1 ; the basal area (BA) was 26.8 m2 ha-1; trees density of 17-years old pine was 1,398 tree ha-1 with BA was 36.2 m2 ha-1. The estimation of biomass, carbon sinks and CO2 sequestration of 30-years old pine were 203.7, 96.5 and 354.2 ton ha-1, respectively. Meanwhile, the estimation of biomass, carbon sinks and CO2 sequestration of 17-years old pine were 188.3, 86.8 and 318.5 ton ha-1, respectively. Value of the environmental services derived from the CO2 absorption for the development of a pine forest ranged from US.$ 1,847.09 to 2,054.22, at two ages of pine trees.
BIODEGRADASI SENYAWA ORGANIK DAN AMONIUM DALAM LIMBAH CAIR INDUSTRI MINYAK KELAPA SAWIT DENGAN SISTEM PERTUMBUHAN MIKROORGANISMA TERLEKAT Agustiyani, Dwi; Imamuddin, Hartati
BERITA BIOLOGI Vol 5, No 2 (2000)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (440.21 KB) | DOI: 10.14203/beritabiologi.v5i2.1148

Abstract

Efficiency of biodegradation of organic carbon and ammonium of sawit palm oil industry wastewater was investigated by using batch reactor with fluidized porous support particles.Two bioreactors, each had an effective volume of 3.0 L, were operated in parallel. Bioreactor-l is a batch reactor with fluidized porous support particles and bioreactor-ll is a suspended growth reactor.The wastewater consisting of 1500-2000 mg/L COD and 50-60 mg/L nitrogen was fed by fill and draw mode with one cycle per day,where 1.5 L treated water was drawn before adding the new wastewater.Efficiency of COD degradation and nitrification were calculated by measuring concentration of COD, ammonium-N, nitrite-N and nitrate-N.The experimental results showed that efficiency of COD degradation and nitrification tend to be higher in the bioreactor-l than in the bioreactor II.The highest efficiency of COD degradation in the reactor-l was 83.7% and in the bioreactor-ll was 63.44 %.The highest efficiency of nitrification in the bioreactor-l and bioreactor-ll was 76.72% and 56%, respectively.Ammonium removal occurred in the bioreactor might not only by biological nitrification, but also by other phisical or chemical processes.
EVALUASI AKTIVITAS ANTI-INFLAMASI DAN ANTIOKSIDAN SECARA IN-VITRO, KANDUNGAN FENOLAT DAN FLAVONOID TOTAL PADA TERMINALIA SPP. [Evaluation of In-vitro Anti-inflammatory and Antioxidant Activity, Total Phenolic and Flavonoic Contain on Terminalia spp.] Murningsih, Tri; Fathoni, Ahmad
BERITA BIOLOGI Vol 15, No 2 (2016)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3007.604 KB) | DOI: 10.14203/beritabiologi.v15i2.2264

Abstract

Terminalia is the second largest genus of Combretaceae family, consists of 200 species distributed in the tropics and subtropics. Many species of Terminalia are well kown in traditional medicine  in several countries of Africa and Asia. In this study, bark extracts of four species of Terminalia (T. catappa, T. citrina, T. bellirica and T. macadamii) were evaluated for their in-vitro anti-inflammatory and antioxidant activity. Determination of the anti-inflammatory activity was carried out using red blood cell membrane stabilization assay and the antioxidant activity was carried out using DPPH free radical scavenging and ferric reducing power assay. Estimation of total phenolic   content was carried out using Folin-Ciocalteu reagent, while  total flavonoid content using alumminium trichloride reagent. The results showed that extract of T. catappa has the most potent anti-inflammatory activity (IC50= 97,83±0,0100 ?g/mL) and the most powerful  antioxidant activity of DPPH free radical scavenging (IC50= 21,8900 ± 0,0264 ?g/mL) and ferric reducing power (IC50= 87,1533 ± 0,04163 ?g/ mL). The weakest anti-inflammatory activity was T. citrina extract (IC50= 159,35±0,0200 ?g/mL), whereas T. bellirica extract demonstrated the weakest antioxidant activity of  DPPH free radical scavenging (IC50= 44,4867 ± 0,0153 ?g/mL) and ferric reducing  power (IC50= 140,89±0,04 ?g/mL). The extract of T. citrina has the highest content of total phenolic (84,8167 ± 0,53407 mg GAE/g) and flavonoid (23,1200 ± 1,7149 mg RE/g) while the T. macadamii extract has the lowest content of total phenolic (24,3700 ± 0,0173 mg GAE/g) and flavonoid (13,2667 ± 0,3386 mg RE/g).
MENGESTIMASI NILAI KERUSAKAN TUMBUHAN INANG AKIVAT PEMARASITAN BENALU Sunaryo, Sunaryo
BERITA BIOLOGI Vol 9, No 1 (2008)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v9i1.810

Abstract

Benalu merupakan kelompok tumbuhan parasit yang termasuk ke dalam suku (famili) Loranthaceae.Beberapa pengarang membagi suku ini menjadi duaanak suku, yaitu Loranthoideae dan Viscoideae. Tetapi beberapa pengarang lain memisahkannya menjadi dua suku tersendiri, yaitu Loranthaceae dan Viscaceae[Barlow BA. 1967. Loranthaceae. In: Flora MalesianaSeries I, vol. 13,209-401. C Kalkman, DWKirkup, HPNootebom, PF Stevens and WJJO de Wilde (Eds.). Rijksherbarium/Hortus Botanicus, The Netherlands]. Suku Loranthaceae memiliki tidak kurang dari 940 jenis(spesies), yang termasuk dalam 70 marga [Anonymous2006. Taxonomy of Loranthaceae. http://www.parasiticplants/1 .htmll. Keseluruhan jenisnya bersifat hemiparasit/ parasit fakultatif, karena di dalamsiklus hidupnya dapat melakukan proses fotosintesamelalui keberadaan pigmen hijau daun.
KARAKTERISASI AKTIVITAS ANTIMIKROBA BEBERAPA ASAM LEMAK ASKORBIL [Characterization of Antimicrobial Activity in Several Ascorbyl Fatty Acid] Naiola, Elidar
BERITA BIOLOGI Vol 4, No 5 (1999)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v4i5.1249

Abstract

The study is directed t investigate the antimicrobial activity f six ascorbyl fatty acids. The minimum concentrations were observed in ascorbyl caprate and ascorbyl laurate. Ascorbyl caprate was the strongest ester with the minimum inhibitory concentration (1,25-5 nM). Among microorganisms tested,S. cerevisiae was more senseitive than others. The sensitivity of S. cerevisiae was depending on the strains and S.cerevisiae OUT7054 was the most sensitive strain to the ascorbyl caprate which was the sterilizing agent rather than microbiostic agent.The antimicrobial activity of ascorbyl caprate was infuenced remarkably by temperature and pH.The most effective conditbns for sierilizatin of yeast were higher temperature and low pH.
KEANEKARAGAMAN FLORA DI TAMAN NASIONAL BUKIT BARISAN SELATAN, PROVINSI LAMPUNG [Flora Diversity in Bukit Barisan Selatan National Park, Lampung Province] Arifiani, Deby; Mahyuni, Ridha
BERITA BIOLOGI Vol 11, No 2 (2012)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (150.775 KB) | DOI: 10.14203/beritabiologi.v11i2.484

Abstract

Study on plant diversity by exploration and collection have been carried out at the Bukit Barisan Selatan National Park, Province of Lampung.The study sites was focused on secondary lowland forests of Way Canguk and Sukaraja Atas. The research was aimed to obtain floristic data from such areas that has never been recorded. Flora diversity in these areas is relatively high as represented by 183 plant species from 124 genera and 60 families. It is noted that 3 species are newly for Sumatran flora.
POTENSI Enterolobium cyclocarpum (Willd.) Griseb DAN Centrosema pubescens Benth. SEBAGAI AKUMULATOR PENCEMAR MERKURI [POTENCY OF Enterolobium cyclocarpum (Willd.) Griseb AND Centrosema pubescens Benth. AS MERCURY ACCUMULATORS] Hidayati, Nuril
BERITA BIOLOGI Vol 11, No 1 (2012)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1297.756 KB) | DOI: 10.14203/beritabiologi.v11i1.1883

Abstract

Some plant species growing in the contaminated areas, indicated high tolerance and potentially affective in accumulating pollutants. These plants can be utilized as hyper accumulators for cleaning up contaminated sites. This research aims to examine plants that grow under Hg contaminated media and to analyze their potency as hyper accumulators. Two pioneer plant species Enterolobium cyclocarpum (Willd.) Griseb and Centrosema pubescens Bent. that proven tolerant and dominant at contaminated sites of gold mine were examined in this research. The plants were grown in liquid media added with mercury (HgCl2) with different level of concentrations 0 ppm, 10 ppm and 20 ppm. Chelate Ammonium Thiosulphate [(NH4)2S2O3] was added with concentration levels of 0 ppm and 20 ppm. Plant performances, cellular responses, Hg accumulation in the plant were assessed. The results revealed that the growth of both plant species decreased with the increase of Hg contamination level. The presents of chelating agent improved adaptability of the plants, indicated by the increase of biomass production and Hg content in the plants, even at the highest level of Hg concentration (20 ppm). Cellular responses showed at 20 ppm Hg, indicated by the decrease of both the number and the size of epidermis and pith cells. Accumulation of Hg in the plants increased with the increased of Hg concentration in the media. Mercury accumulation in both plant species were more concentrated in the root system rather than the shoot.
PEMANFAATAN POHON LOBA (Symplocos fasciculata Zoll.) SEBAGAI PEMBANGKIT WARNA ALAM PADA KERAJINAN TENUN DI DESA PEJENG, TAMPAK SIRING, GIANYAR, BALI [Use of Loba Tree (Symplocos fasciculata Zoll.) as Natural Dye Mordant in Home Weaving Industry in Pejeng Village, Tampak Siring, Gianyar, Bali] Hanum, SF; Darma, IDP; Sumerta, IMd
BERITA BIOLOGI Vol 11, No 3 (2012)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v11i3.507

Abstract

Indonesias plant diversity potentially as natural dyes. A general process in dyeing with natural dyes needed mordanting workmanship on the material to be dyed/stamped. The process of mordanting is done by immersing the material into the metal salts, such as aluminum, iron,tin or chrome. Amid fears of negative impacts caused by dyes and synthetic mordant to health and the environment, people begin to look back the use of natural dyes. So far, the material used for mordanting is alum; though Loba tree (Symplocos fasciculata Zoll.) is one type of plant that can be useful as mordant but today not many people knows the role of this plant. This paper aims to determine the S. fasciculata role and its use as mordant for natural dye textiles. The method used was interviews with parties concerned. The results of this research is aknowledge on S. fasciculata role as a mordant as local wisdom in traditional Balinese weaving. Plant parts that may be used are leaves and inner bark. Conservation efforts is eagerly continued by Eka Karya Bali Botanic Gardens-The Indonesian Institute of Science (LIPI). Currently two species (among 250 naturally grow) of Symplocos conserved at Eka Karya Bali Botanic Garden-LIPI.
KEANEKARAGAMAN ARTHROPODA TANAH DI LANTAI HUTAN KAWASAN HULU SUNGAI KATINGAN KALIMANTAN TENGAH Rahmadi, Cahyo; Suhardjono, Yayuk R
BERITA BIOLOGI Vol 6, No 4 (2003)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4875.881 KB) | DOI: 10.14203/beritabiologi.v6i4.3449

Abstract

The Study of soil arthropoda diversity in Upper Katingan River area was done in five different forest types i.e. 4 natural forest (With different vegetation) and one industrial tree plantation (HTI). The research site belongs to the PT Dwima Jaya Utama a consession timber in Central Kalimantan. Pitfall traps and soil litter samples were used to collect the arthropods and insect specimen. Twenty pitfall traps were set along 2 transect with 100 m length in each site and were operated forfour day. five soil-litter smaples of two litter were collected from each site. Soil-litter samples were examined in Berlese funnels for two weeks to sort the animals from debris. Identification was done based on the morphological appearce (morphospecies) and some taxon was determined up to order and/of family name. The results show that the most dominated taxon were collembola consit of 103 species from 13 families, and Coleoptera (33 species, 11 families). The most dominated taxon from Class Arachnid was Acarina (11 taxon) and Araneae (7 families). The Kilometer 33 (PUP) area has the highest species richness and abundance, whereas the Industrial Tree Plantation (HTI) has the lowest one of soil Arthropods. Based on the role of Arthropods on the forest floor, the most dominated group was decomposer and followed by predator and phytophagous. The unknown group mostly was consist of juveniles.

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