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INDONESIA
BERITA BIOLOGI
Published by Lembaga Ilmu Pengetahuan Indonesia
ISSN : -     EISSN : -     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Arjuna Subject : -
Articles 2,125 Documents
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MORFOLOGI SEL-SEL SERAT PADA KAYU EBONI (Diospyros celebica Bakh.) Sunaryo, Sunaryo
BERITA BIOLOGI Vol 6, No 2 (2002)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (235.861 KB) | DOI: 10.14203/beritabiologi.v6i2.1491

Abstract

Sel-sel serat pada kayu eboni (Diospyros celebica) merupakan sel-sel mati yang menyusun massa kayu secara masif. Selain berfungsi sebagai pengalir air dari tanah, sel-sel serat juga mengambil peran sebagai sel-sel penguat. Kekuatan kayu biasanya ditentukan oleli jenis,bentuk dan susunan sel-sel seratnya.Sebagai pengalir,dengan membentuk suatu hidrosistem, sel-sel serat memiliki pola-pola perforasi yang tertentu.Untuk keperluan identifikasi, sel-sel serat diurai dan dipisahkan satu dengan yang lain dengan menggunakan teknik maserasi. Hasilnya menunjukkan ada 4 tipe sel-sel serat pada eboni, yaitu serat trakeida, trakea bertipe penapis, trakea bertipe spiral dan parenkim kayu. Keragaman morfologi dari sel-sel serat yang teramati disampaikan dalam makalah ini.
KEKAYAAN JENIS TUMBUHAN TAMAN NASIONAL GUNUNG HALIMUN*[Plant Biodiversity Richness of Gunung Halimun National Park] Wiriadinata, Harry
BERITA BIOLOGI Vol 6, No 1 (2002)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (303.384 KB) | DOI: 10.14203/beritabiologi.v6i1.1181

Abstract

Mounts Halimun National Park in West l Java has a very high plant diversity. The plant diversity composes of flowering plants.ferns, mosses and fungi. They are very important in biodiversity as their functions to keep good environments and protect the living endangered creatures such as Javanese eagle, panther, hornbill and gibbon. Data on the plant diversity is important for the park management, education ami ecouirism. Invcntarisation ofplants from many areas within the park will be presented.
KOMPONEN KIMIA DAN UJIANTIBAKTERIMINYAK ATSIRIDAUN KI CENGKEH (Urophyllum arboreum (Reinw. ex. Bl.) Korth.) Praptiwi, Praptiwi; Jamal, Yuliasri; Murningsih, Tri
BERITA BIOLOGI Vol 6, No 3 (2002)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (246.206 KB) | DOI: 10.14203/beritabiologi.v6i3.1218

Abstract

This study was done to determine the chemical compounds and antibacterial activity of ki cengkeh (Urophyllum arboreum (Reinw.ex. Bl.) Korth.) essential oil. Ki cengkeh has already known as medicinal plant in some places in Indonesia. This might be correlated with its chemical compounds. The analysis of chemical compounds of ki cengkeh essential oil was done by GC-MS, while antibacterial test was done by paper disc method against 3 bacteria isolates (Staphylococcus aureus, S. epidermidis and Eschericia coli). The result of GC-MS analysis showed that there were 25 compounds with the concentration more than 1% and carryophylen oxide as the highest compound (12.03%). The highest antibacterial activity was found against S. epidermidis.
KONVERSI PROYEKSI PETA TEMATIK KAWASAN TAMAN NASIONAL GUNUNG HALIMUN KE DALAM FORMAT DERAJAT DESIMAL Roemantyo, Roemantyo; Hartoko, B; Prawiroatmodjo, S; Maryanto, I; Widodo, R; Mulyono, B; Yamada, Y
BERITA BIOLOGI Vol 5, No 6 (2001)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (201.585 KB) | DOI: 10.14203/beritabiologi.v5i6.1089

Abstract

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SAMBUTAN KETUA LIPI Abdullah, Taufik
BERITA BIOLOGI Vol 5, No 5 (2001)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (252.168 KB) | DOI: 10.14203/beritabiologi.v5i5.1448

Abstract

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KAJIAN PRODUKSI, PERDAGANGAN, INDUSTRI DAN TEKNOLOGI EBONI Darusman, Dudung
BERITA BIOLOGI Vol 6, No 2 (2002)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v6i2.1482

Abstract

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VARIASI AKTIVITAS HARIAN Hylobates moloch (Audebert, 1798) MENURUT KELAS UMUR DI TN GUNUNG HALIMUN, JAWA BARAT Kartono, Agus P; Prastyono, Prastyono; Maryanto, Ibnu
BERITA BIOLOGI Vol 6, No 1 (2002)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (434.567 KB) | DOI: 10.14203/beritabiologi.v6i1.1171

Abstract

The study of daily activity of (Hylobates moloch Audebert 1798) was conducted in Cikaniki. Ciawitali and Pasir Bivak TN Gunung Halimun for two months from June to July 1999.Commontly the daily activity for Jawan Gibbon are resting 39.1%, feeding 30.3%, moving 24.1% and other social activity 6.5% in average.Based on the meaning of activity category, the most for feeding;activity used by subadult (45%), moving for juvenile (33%), resting for infant (82%) and social for juvenile (15.72%).The least social activity was done by subadult category (0.4%). The space area for Jawan Gibbon activity was done at 5-15 meter (23%), 16-25 meter (43%), 26-35 meter (30%) and upper or top canopy at 35 meter from ground (4%).On this study also indicated that this gibbon turn down until to 1.5 meter from ground at lepus (Ammonium pseudopoetens) vegetation.
RHIZOSPHERE FUNGI OF GUNUNG HALIMUN NATIONAL PARK Suharna, Nandang
BERITA BIOLOGI Vol 5, No 6 (2001)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (438.926 KB) | DOI: 10.14203/beritabiologi.v5i6.1079

Abstract

An ecological study was conducted to assess the occurrences of rhizosphere fungi in three dominating trees (Altingia excelsa, Schima wallichii and Castanopsis javanica) within Gunung Halimun National Park.Rhizosphere trees in Gunung Halimun National Park was mainly dominated by Trichoderma (47%), followed by Penicillium (16%), Cunninghamella (10%),Mortierella (15%),Acremonium (7%), and Humicola (6%).Similar composition of rhizosphere fungi was shown by the three trees and mainly consisted of Trichoderma and Penicillium.There was negative correlation of rhizosphere to fungal composition which was shown by C.javanicus and the positive correlation was shown by A. excelsa and S. wallichii.Based on total of fungi encountered, Trichoderma was found to be the most common and dominant fungus in rhizosphere of those trees.Other fungi were also considered common were Penicillium, Mortierella, Cunninghamella, Acremonium and Humicola. Based on the number of samples, the frequency of the occurrence of Trichoderma was the highest (100%), followed by Penicillium (88%),Cunninghamella (59%), Humicola (47%), Acremonium (41%), Mortierella (35%), Verticillium (18%), Cylindrocladium (12%), Aspergillus (6%), and Gliocephalotrichum (6%).
KAYU CENDANA SEBAGAIBAHAN BAKU INDUSTRI KERAJINAN RAKYAT MENYONGSONG OTONOMIDAERAH PROPINSI NUSA TENGGARA TIMUR Suranto, Y
BERITA BIOLOGI Vol 5, No 5 (2001)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (311.095 KB) | DOI: 10.14203/beritabiologi.v5i5.1471

Abstract

Kayu Cendana (Sanlalum album Linn.) merupakan satu jenis produk terpenting yang dihasilkan oleh sumberdaya alam berupa hutan di wilayah Propinsi Nusa Tenggara Timur (NTT). Perlu pengelolaan cendana lebih intensif dan pemanfaatan optimal bagi peningkatan kesejahteraan rakyat NTT dan Pendapatan Asli Daerah dalam menyongsong Otonomi Daerah. Sumber ekonomi yang diperoleh daerah NTT melalui penjualan kayucendana sebagai bahan mentah ke daerah lain kiranya patut ditinjau kembali. Pemanfaatan sebagai bahan baku bagi industri kecil dan menengah perlu ditumbuhkan, dibina dan dikembangkan di daerah NTT merupakan alternatif yang selayaknya ditempuh. Pemanfaatan kayu cendana sangat beragam. Berdasarkan sifat kayu dan kandungan minyak atsirinya, kayu cendana sudah digunakan sebagai bahan baku bagi industri minyak atsiri, industri serbuk (tepung) kayu dan industri kerajinan kayu. Industri kerajinan kayu merupakan industri yang paling potensial, meningkatkan kesejahteraan rakyat karena penciptaan lapangan kerja dan nilai tambah yang langsung menyangkut masyarakat di tingkat bawah. Produk kerajinan berupa patung, ukiran dan topeng sering kali mengalami cacat retak atau pecah. Cacat ini akan menurunkan nilai produk tersebut. Penurunan ini dapat dihindarkan dengan penerapan teknologi pengeringan dan teknologi stabilisasi dimensi dengan Poli Etilen GUkol (PEG). Teknologi stabilisasi melalui perendaman selama 5 hari dalam PEG-1000 berkonsentrasi 40%, terhadap patung (hasil kerajinan) akan membebaskan sepenuhnya dari cacat retak dan pecah, tetapi mengubah warna kayu dari putih kekuningan menjadi putih keabu-abuan dan menguragi bahkan menihilkan aroma cendana. Penerapan teknologi pengeringan kayu berdampak yang serupa dengan dampak teknologi stabilisasi dimensi.
UPAYA PELESTARIAN EBONI (Diospyros celebica Bakh.) DIAREAL PTINHUTANIIPOSO SULAWESI TENGAH Muharam, H Erry; Satata, Pujda
BERITA BIOLOGI Vol 6, No 2 (2002)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (130.709 KB) | DOI: 10.14203/beritabiologi.v6i2.1505

Abstract

Makalah ini membahas tentang Ebony Centre sebagai sarana pengamatan, analisa dan mengisi kekosongan pengetahuan tentang pertumbuhan eboni dari semai,tingkat bibit, pancang dan pohon dan uji coba pelbagai perlakuan silvikultur.Output yang diharapkan adalah diperolehnya informasi dalam pengembangan jenis eboni termasuk perlakuan yang dibutuhkan dalam upaya mencari metode dan teknik silvikultur yang dapat menunjang pengembangan eboni pada masa yang akan datang.

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