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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
 61   62   63   64   65 
PERBANDINGAN KOMPONEN KIMIA PENYUSUN MINYAK ATSIRI SIRIH LIAR {Piper ornatum) YANG BERASAL DARI SULAWESI SELATAN DAN PULAU SERAM DENGAN SIRIH BIAS A (Piper betle) Sulianti, Sri Budi; Chairul, Chairul
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 | DOI: 10.14203/beritabiologi.v6i3.1223

Abstract

Comparison study on the chemical components of P. ornatum (Piperaceae) volatile oil, collected from Enrekang (South Celebes)and Sepa Village (Ceram Island, Moluccas) had been carried out by water distillation and Gas Chromatography-Mass Spectrometry (GC-MS) analysis. Those plants had exotic performance. The sample from South Celebes had original red color leaves and strong aromatic smell, but one from Ceram Island has green color leaves and weak aromatic smell. The results showed that volatile oil content of P. ornatum from Enrekang has higher than Sepa Village (0.94% and 0.81%), while the volatile oil of common piper (P.betle) was around 0.9-1.2%. GC-MS analysis determined that volatile oil of P. ornatum had 22 chemical components. Both volatile oil indicated similar peak fragmentation, in different intensities. The major component of P. betle and P. ornatum was caryophyllene i.e. 30.01% in the red leaf, 29.41% in the green leaf and 31.05% in P. betle. Some of minor components of P.ornatum were different, from P. betle.
PENGARUH PEMBERIAN PUPUK KANDANG AYAM TERHADAP PERTUMBUHAN ANAKAN EBONI (Diospyros celebica Bakh.) DIPERSEMAIAN Rahman, VVirianto; Bachtiar, Budirman
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 (347.435 KB) | DOI: 10.14203/beritabiologi.v6i2.1496

Abstract

Penelitian ini bertujuan untuk mengetahui dosis pupuk kandang ayam dan asal anakan agar bibit eboni tumbuh dengan baik.Rancangan penelitian ini adalah Rancangan Petak Terpisah dengan asal anakan (alam dan persemaian) sebagai petak utama dan lima taraf pupuk kandang sebagai anak petak.Hasil penelitian menunjukkan bahwa tingkat pertambahan tinggi serta pertambahan diameter batang anakan asal alam lebih baik dari pada anakan persemaian. Hal ini diduga adanya pengaruh positif dari mikoriza pada anakan yang berasal dari alam.Perlakuan pemupukan mempunyai pengaruh nyata terhadap pertambahan tinggi dan jumlah daun anakan, tetapi tidak menunjukkan pengaruh nyata terhadap pertambahan diameter anakan eboni.Terdapat interaksi nyata antara asal anakan dengan perlakuan pemupukan terhadap pertambahan tinggi anakan dan tidak berpengaruh nyata terhadap perkembangan diameter batang dan pertambahan jumlah daun.
DIVERSITY AND DISTRIBUTION OF RAPTORS AT GUNUNG HALIMUN NATIONAL PARK WITH PARTICULAR REFERENCE TO JAVAN HAWK- EAGLE Prawiradilaga, Dewi M
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 (506.941 KB) | DOI: 10.14203/beritabiologi.v5i6.1070

Abstract

Although the role of raptors as the top predators in the food chain is important to maintain the balance of an ecosystem, in Indonesia they have rarely been studied.This paper presents the most comprehensive study on the diversity and distribution of raptors with emphasize on Javan Hawk-eagle at Gunung Halimun National Park, the largest remnant forest in Java.The raptor study has been done by field surveys,long watches at selected observation sites and collecting information from previous reports.The results showed that there are 17 raptor species recorded in the area.Furthermore, the Crested Serpent eagle (Spilornis cheelo),Black Eagle (Ictinaetus malayensis), and Javan Hawk-eagle {Spizaetus bartelsi) were recorded in many locations.However,the Black-winged Kite {Elanus caeruleus), Brahminy Kite (Haliastur Indus), Lesser Fish-eagle (Ichthyophaga ichthyaetus),Japanese Sparrowhawk (Accipiter gularis) and the White-bellied sea-eagle (Haliaeetus leucogaster) were observed only in one location. In addition, the Javan Hawk-eagle was recorded at 14 locations namely G. Halimun Utara, G. Buligir Putih, Pasir Cangkuang, G. Malang, West Halimun, G. Bodas, G. Tumpeng, G. Citimur, G. Bengreng, G. Batu, Cadas Mahpar, G. Kempul, G. Kendeng and G. Botol.The number of observed Javan Hawk-eagle individuals at G. Botol was higher than in other locations.
PELUANG DAN KENDALA CENDANA DALAM PEREKONOMIAN PROPINSINUSA TENGGARA TIMUR Musakabe, Herman; TNI (Purn), MayJen
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 (179.409 KB) | DOI: 10.14203/beritabiologi.v5i5.1453

Abstract

Berbagai peluang untuk tetap menjadikan cendana (Santalum album L.) sebagai komoditas utaraa dan andalan daerah Nusa Tenggara Timur (NTT) disampaikan dalam tulisan ini. Selain itu, mengatasi kendala yang dihadapi dalam upaya pelestarian dan pengembangan cendana, harus tetap melibatkan 3 komponen pelaku yaitu Pemerintah Daerah, Masyarakat dan Pengusaha industri cendana.Untuk itu,beberapa saran dalam upaya dimaksud, baik jangka panjang, jangka pendek maupun dari sisi hukum juga dikemukakan.
PENGARUH PEMBERIAN SUPLEMEN MADU PADA INDUK MENCIT TERHADAP RASIO JENIS KELAMIN ANAKNYA Riyanto, Awal
BERITA BIOLOGI Vol 5, No 4 (2001)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (109.382 KB) | DOI: 10.14203/beritabiologi.v5i4.1130

Abstract

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KONSERVASI 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 | DOI: 10.14203/beritabiologi.v6i2.1487

Abstract

Kelimpahan jenis pohon eboni di kawasan hutan alam menurun sebagai akibat eksploitasi dan pemanfaatan secara komersial. Kayu eboni dimanfaatkan masyarakat sebagai bahan baku kerajinan tangan, mebel dan bahan bangunan sebagai mata pencaharian tambahan.Untuk mencegah penurunan kelimpahan yang dapat mengarah pada kepunahan jenis tanpa menghilangkan mata pencaharian masyarakat, perlu dilakukan suatu cara pemanfaatan yang berkelanjutan dari jenis-jenis eboni tersebut seperti pembangunan hutan rakyat dan hutan kemasyarakatan.Diusulkan suatu cara pengelolaan yang berkelanjutan baik dengan cara pelestanan in-situ, ex-situ, dan dengan teknik budidayanya. Diharapkan melalui pengembangan hutan tanaman, eboni dapat terus dipanen tanpa penurunan populasi di hutan alam.
Nepenthes gymnamphora Nees. DI TAMAN NASIONAL GUNUNG HALIMUN DAN PENYEBARANNYA DI INDONESIA Mansur, Muhammad
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 (361.051 KB) | DOI: 10.14203/beritabiologi.v6i1.1176

Abstract

The preliminary study of Nepenthes gymnamphora Nees. was carried out on May 2001 in Halimun Mountain National Park. West Java by survei method and direct observation in its original habitat. Some samples were collected for morphological study, taxonomical identification and specimen collections for Herbarium Bogoricnse, Bogor. N. gymnamphora founded on summit of Mt. Kendeng (1020 m asl) and Wales area in Bogor-Sukabumi border (1120 m asl). Habitat, morphology, conservation and their distribution in Indonesia is explained.
SELEKSI DAN KAPASITASI SPERMATOZOA DENGAN METODE PERCOLL GRADIENT VKYUK FERTILISASI OOSIT DAN PRODUKSIEMBRIO IN VITRO PADA SAPI Triwulanningsih, Endang; Toelihere, MR; Yusuf, TL; Purwantara, B; Diwyanto, K; Rutledge, JJ
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 (466.535 KB) | DOI: 10.14203/beritabiologi.v6i3.1214

Abstract

This research has been conducted at the laboratory of in vitro fertilization of the University ofWisconsin, USA. These embryos may be used for improving genetic value of Indonesian cattle. Ovaries were collected from slaughterhouse in Wisconsin. Oocytes were matured in TCM-199 medium enriched with FSH 10 ilm, estradiol 17 P lul/ml and 10 % FCS for 20 hours. The oocytes were fertilized in vitro with motile sperm selected and capacitated by using the percoll gradient with 2 ml vs 0.5 ml per layer as treatment A and B respectively. Sperm and oocytes were incubated in fertilization medium (mTALP) for 20 hours. All zygotes were cultured in CRlaa medium up to btastocyst stage and were fed with serum 5 iV 50 )j.l in culture medium on day 6. Percentages of cleavage, morula, blastocyst, expanded blastocyst, unfertilized and degenerated ova in this study were 86.3 vs 91.6 %, 53.3 % vs 75.9 %; 32.6 % vs 63.4 %; 21.1 % vs 33.0 %; 13.7 % vs 8.4 %, 32.9% vs 15.6 % for treatment A (n=1007) vs B (n=1055), respectively. Based on result of this study, it is concluded that the best method for IVP (in vitro production) of cattle embryos is using percoll gradient with 500 ul per layer.
KEANEKARAGAMAN DIPTERA (INSECTA) DI GUNUNG KENDENG DAN GUNUNG BOTOL, TAMAN NASIONAL GUNUNG HALIMUN, JAWA BARAT Atmowidi, Tri; Prawasti, Taruni Sri; Utomo, Sugeng; Kurniawan, Yana
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 (344.821 KB) | DOI: 10.14203/beritabiologi.v5i6.1084

Abstract

Diptera is one of the four largest orders of insects (the three others are Coleoptera, Lepidoptera and Hymenoptera).Presently, about 108 families of Diptera were recoqnized and over 150.000 species have been described worldwide.This study was conducted to explore the diversity of Diptera in Gunung Halimun National Park, West Java.Sampling of Diptera has been conducted in Mt. Kendeng (1.200 - 1.300 m asl) and mount Botol (1.650 and 1.750 m asl) using yellow pan traps, Malaise traps, light traps, and sweep nets. The diversity of Diptera were analyzed using Shannons diversity index and evenness, and Jaccards similarity index (Magurran 1987). In this study, we found 49 families of Diptera (12 families are Nematocera and 37 families are Brachycera). The diversity of Diptera in Mt. Kendeng was higher (Shannon diversity index; H =2.92) than that in Mt. Botol (H = 2.46). The similarity of Diptera in Mt. Kendeng and Mt. Botol was 60%(Jaccards similarity index; Cj=0.6).
SAMBUTAN REKTOR UNTVERSITAS HASANUDDIN Gany, Radi A
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 (94.222 KB) | DOI: 10.14203/beritabiologi.v6i2.1478

Abstract

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