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INDONESIA
Berkala Penelitian Hayati
Published by Perhimpunan Biologi Indonesia Cabang Jawa Timur
ISSN : 08526834     EISSN : 2337389X     DOI : https://doi.org/10.23869/bphjbr
Core Subject : Health, Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology
Berkala Penelitian Hayati is a half yearly international peer reviewed, an open access life science journal. The journal was published by The East Java Biological Society and formerly used the Indonesian language. The first edition of this journal is Vol 1 No 1 in June 1995. It was accredited by Ministry of Culture and Education. It continues recorded by Zoological Record by Thomson Reuters Clarivate Analytics since 2011. Since April 2012, the journal was changed into English. This journal is indexed by DOAJ, Crossref, Google Scholar, Academia.edu, and EBSCO Host. This journal publishes original research, applied, review article, and educational articles in all areas of biology. Authors are encouraged to submit complete unpublished and original works that are not under review in other journals. This journal publishes original research, applied, review articles, and educational articles in all areas of biology. Authors are encouraged to submit complete unpublished and original works that are not under review in other journals. The journal scopes include, but are not limited to, the following topic areas including botany, zoology, ecology, microbiology, physiology, nanobiology, coastal biology, hydrobiology, neurobiology, genetics, developmental biology, biochemistry and molecular biology, biophysics, and life science.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 7 Documents
 1 
Search results for , issue "Vol 4 No 2 (1999): June 1999" : 7 Documents clear
STATUS POPULASI BUAYA Crocolylus porosus DI DAERAH KAIMANA DAN TELUK ARGUNI IRIAN JAYA Hellen Kurniati; Yunus Rumbarar; Mumpuni; Gono Semiadi
JURNAL PENELITIAN BIOLOGI BERKALA PENELITIAN HAYATI Vol 4 No 2 (1999): June 1999
Publisher : The East Java Biological Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23869/516

Abstract

The people of Indonesia have historically used crocodiles for a variety of non-commercial purposes. In the past ten years, a commercial collection from the wild almost threatened the population status. As pressure on the commercial hunting continuous, the successful conservation of Indonesian crocodiles will depend on the constant monitoring in the wild. Irian Jaya is one of several islands in Indonesia which historically accommodate an unknown number of commercial crocodiles such as Crocolylus porosus. Althorough monitoring on the C. porosus status in Barusam Gasawi, Buruai Garawa, Kamabu rivers, and Suwiki lake located in Kaimana and Arguni Bay, Irian Jaya had been conducted since 1990 and continued in 1991, 1992, 1993, 1994, 1996, and 1998. The surveys techniques were conducted night count method and guided by a 1: 100.000 map and GPS. A statistical analysis was performed on SAS using proc regression and proc mean. A significant result has only been noted in Suwiki Lake, where was the magnitude of the mean trend in density was 109%.
ISOLASI KARAKTERISASI DAN UJI EKSPRESI GEN ALP1 DI Escherichia coli DH5a Ni Nyoman Tri Puspaningsih; Akhmaloka; Sofyan Hadi; Y. Sri Wulan Manuhara; Bambang Irawan
JURNAL PENELITIAN BIOLOGI BERKALA PENELITIAN HAYATI Vol 4 No 2 (1999): June 1999
Publisher : The East Java Biological Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23869/517

Abstract

Amylase gene (ALP1) insertion in YCp 50 cloning vector was detected by Direct Screening PCR. Result of Direct Screening PCR showed one transformants which assumed have amylase gene insert. Characterization of the recombinant DNA by Stu1 and EcoR1 restriction enzymes indicated nucleotide sequence of insert gene. Digestion by BamHI, Cla1, and EcoRV restriction enzymes showed only one band that assumed size of insert gene is about 1500 bp. Gene expression showed that amylase enzyme activity by using Somogyi-Nelson method was 88.0265 Unit. This activity was 10% higher than transformant control (Escherichia coli DH5a which content YCp50).
MORFOLOGI DAN KEKERABATAN ANTARA Leopoldamys siporanus (THOMAS, 1985) DAN L. sabanus (THOMAS, 1987) (MURIDAE) ASAL KEPULAUAN MENTAWAI SUMATERA KALIMANTAN DAN JAWA Ibnu Maryanto; M.H. Sinaga; K. Soebekti
JURNAL PENELITIAN BIOLOGI BERKALA PENELITIAN HAYATI Vol 4 No 2 (1999): June 1999
Publisher : The East Java Biological Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23869/518

Abstract

Jawa, Anamba, and Leopoldamys siporanus from Siberut and Pagai-Mentawai Islands was analyzed using discriminant analysis. The analysis showed that the morphological shape of Sumatran L. sabanus was an intermediate between Jawa and Kalimantan populations. The population of L. sabanus from Anamba Island was predicted to be closed to the intermediate from between Kalimantan and Sumatra. Specimens of L. siporanus from Siberut and Pagai indicated that their morphology was closer to that of L. sabarus from Kalimantan than it was from Sumatra or Jawa. In Sumatra L. sabarus has three subspecies which are distributed in northern side of West Sumatra (L.s. tapanulius), southern side of West Sumatra (L.s. ululans) and Mount Kerinci at Sumatra (L.s. vociferans). Furthermore, specimens examined in this study were collected from Leuser and Bengkulu where they are located at the corner of tapanulius and ululans type locality, and they were predicted as one population. This finding raises the possibility that the Sumatrans has one shape of L. sabanus, but this argument should be confirmed from prototype specimens of ululans, vociferans, and tapanulius.
RECORD OF THE FAMILY CALANIDAE (COPEPODA : CALANOIDA) WITH NOTES ON ITS MORPHOLOGICAL VARIABILITY AND DISTRIBUTION IN INDONESIA WATERS Mulyadi
JURNAL PENELITIAN BIOLOGI BERKALA PENELITIAN HAYATI Vol 4 No 2 (1999): June 1999
Publisher : The East Java Biological Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23869/519

Abstract

Some species of calanoid copepods of the family Calanidae inhabit surface or moderately deep waters, and provide excellent material for zoogeographic investigations. Very few studies on the taxonomy and morphological variability of the family Calanidae from Indonesian waters have been carried out. The present paper deals with relevant information on description and illustrations of five calanid species from the region. Five of previously known species, i.e., Canthocalanus pauper (Giebrecth, 1888); Undinula vulgaris (Dana, 1849); Casmocalanus darwini (Lubbock, 1860); Neocalanus gracilis (Dana, 1849); and Calanoides philippinensis (Kitou & Tanaka, 1969) have been recorded. Descriptions, measurements and figures are given for all these species, along with a review of their distribution over the world's oceans, and with taxonomic remarks, morphological variability, and synonymies.
IDENTIFIKASI KOMPONEN AKTIF MINYAK ATSIRI DAUN Vitex trifolia, Linn YANG BERPERAN SEBAGAI PENOLAK SERANGGA TERHADAP Chrysomya sp. Ami Soewandi J.S.
JURNAL PENELITIAN BIOLOGI BERKALA PENELITIAN HAYATI Vol 4 No 2 (1999): June 1999
Publisher : The East Java Biological Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23869/520

Abstract

Dried leaves powder of Vitex trifolia, Linn, is used tradisionally as insect repellent. The activity of the essential oil (isolated from the leaves) and this fractions were studied as a repellent against Chrysomya sp. Fraction E contained a single component and has proven as the most effective to repel Chrysomya sp. According to the spectra of UV, IR, and GC-MS analysis, the single component of fraction E was identified as 4-methyl-1-(methylethy)3-cyclohexnol.
PENGARUH UKURAN TUBUH IKAN Poecilia reticulata PADA DAYA PEMANGSAANNYA TERHADAP LARVA Culex quinquifasciatus Noer Moehammadi
JURNAL PENELITIAN BIOLOGI BERKALA PENELITIAN HAYATI Vol 4 No 2 (1999): June 1999
Publisher : The East Java Biological Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23869/521

Abstract

The research aimed to know the influence of Poecilia reticulata body size, in the feeding capacity on Culex quinquifasciatus larvae. The research was experimental method with Complete Random Design., each treatment with 5 replications. The taken body size of Poecilia reticulata were; 1,50 cm; 2.50 cm; and 3.50 cm. the size of fish's body was measured from the tip of snout up to the end of fin (cm). The feeding capacity was determined by subtracting the first amount of larvae which was given the rest of larvae after 24 hours. The result showed that the difference of size of Poecilia reticulate body was significantly different in the feeding capacity on Culex quinquefasciatus larvae. The fish whose body size was 1.50 cm had the lowest feeding capacity by eating 77.2 larvae for average, and the highest one was the fist which body size was 2.50 cm by eating 113.6 larvae for average, subsequently the feeding capacity decrease to the fish which body size was 3.50 cm because of eating 100,6 larvae for 24 hours.
JUMLAH TRAKEA PADA DAUN Ludwigia adscendens (L.) Hara DALAM KONDISI TERGENANG : SEBUAH GEJALA PLASTISITAS ANATOMI Joko Budiono
JURNAL PENELITIAN BIOLOGI BERKALA PENELITIAN HAYATI Vol 4 No 2 (1999): June 1999
Publisher : The East Java Biological Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23869/522

Abstract

This study was conducted to reveal the influence of waterlogging on the number of tracheas in each vascular bundle of Ludwigia adscendens (L.) Hara leaf. This plant is well known as aquatic weed which can grow floating on water surface. The leaf primordium extend across the water from 10-15 cm below water surface. The plant was grown in aquarium at 0, 10 and 15 cm water depth. The observed leaves were first, third and fifth the base. Anatomical structure were analyzed using serial cross sections of he leaf the cross section were made by paraffin method. The data were analyzed using ANOVA and DMRT method. The result showed that significance difference on the number of tracheas in each vascular bundle were found among leaves of different depth.

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