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BERITA BIOLOGI

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Published by Lembaga Ilmu Pengetahuan Indonesia

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Core Subject : Science, Agriculture,

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Articles 40 Documents

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Search results for , issue "Vol 5, No 6 (2001)" : 40 Documents clear

THE POPULATION OF NITROGEN FIXING BACTERIA AND PHOSPHATE SOLUBILIZING BACTERIA IN THE RHIZOSPHERE FROM GUNUNG HALIMUN NATIONAL PARK Widawati, Sri; Suliasih, Suliasih
BERITA BIOLOGI Vol 5, No 6 (2001)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

The biodiversity of nitrogen fixing bacteria (Rhizobium, Azotobacter and Azospirillum) and phosphate solubilizing bacteria in rhizosphere collected from Gunung Halimun National Park were studied.Bacterial population was counted from soil rhizosphere collected from various ecosystem types (determined based on elevation) namely 600 m, 1000 m, 1100 m, 1500 m and 1800 m above sea level.The results showed that the highest population of N-fixing and P solubilizing bacteria at Cikaniki (1100 asl) are founded in the plant rhizosphere of Schima wallichii in plot Suzuki A I and Altingia exelsa in Suzuki A III,at Gunung Botol area is in 1000 m asl,and Ciptarasa area is in 600 m asl.The population of N-fixing and P solubilizing bacteria at Gunung Halimun was influenced by the vegetation type, soil pH,and the elevation of area. Rhizobium, Azotobacter, Azospirillum (N-fixing bacteria); Pseudomonas sp, and Bacillus megaterium (P solubilizing bacteria), are most dominant at 600 m, 1000 m and 1100 m asl.

COLLECTION OF MATERIAL DNA SAMPLES FROM BIRDS IN THE GUNUNG HALIMUN NATIONAL PARK (GHNP) FOR ESTABLISHING OF DNA BANK Sulandari, Sri; Astuti, Dwi; Kundarmasno, Agus; Marakarmah, Alwin; Wijamukti, Satrio
BERITA BIOLOGI Vol 5, No 6 (2001)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

This study was conducted to collect material DNA samples from birds in the Gunung Halimun National Park (GHNP) for establishing of DNA bank.Ciptarasa, Geger Hanjuang and Cikaniki village areas were chosen as sites for sample collections in the GHNP.In order to take the sample from birds, transect lines were established at each site where series of mist nets were operated.The captured birds, both live- and died-birds, were identified. For the living birds, blood and/or shed feathers were taken from the bird prior to releasing.In case of died birds, tissue and liver were collected. The collected samples were transported to genetic laboratory at Zoological Division,Researh Center for Biology (RCB)-LIPI (The Indonesian Institute of Science) and kept in 4Â°C. In this collection, a total of 411 collected samples were obtained, coming from 25 families and 79 species.The 19-endemic birds were found in GHNP.

THE GROWTH DYNAMICS ON TREE SPECIES OF FAGACEAE FAMILY IN A TROPICAL MONTANE RAIN FOREST OF WEST JAVA, INDONESIA Simbolon, Herwint
BERITA BIOLOGI Vol 5, No 6 (2001)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

A one ha (100 x 100 m ) permanent plot each was established at sub-mountain (1000 m altitude) and mountain forests (1800 m altitude)in Gunung Halimun National Park,West Java in 1996.Both plots were monitored periodically in order to understand the population dynamics of tree species, an important aspect on understanding forest ecology.Number of individuals and total basal areas of Fagaceae species represented about 10 and 20.5% of total species in sub-mountain and 38 and 56.1% of total species in mountain forest.The distribution pattern of tree height(H, in m) of the similar diameter (D in cm) was consistently lower in mountain forest than of sub-mountain forest.The highest mortality index in sub-mountain and mountain forests was occurred on Lithocarpus sp.(ruui) and Castanopsis acuminatissima, respectively.As a whole, in both study sites, number of mortal individuals of all Fagaceae species during 1996-200 was higher than of recruit individuals.The growth and population dynamics of the Fagaceae species in both sites within 1996-2000 study periods were also discussed.

THE RELATIONSHIP AMONG POTENTIAL OF NATURAL RESOURCES, SOCIAL, ECONOMIC AND CULTURE OF COMMUNITIES INBUFFERZONE OF MOUNT HALIMUN NATIONAL PARK Sawitri, Reni; Heriyanto, NM
BERITA BIOLOGI Vol 5, No 6 (2001)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

This study was conducted to know of potential of natural resources of Mt.Halimun used by surrounding communities and the development of bufferzone.The potential of natural resources are composed of wildlife, plant biodiversity,land and hydrology.Then, The utilization of natural resources will be correlated with the condition of socio economic and culture of communities.According to the study, it is known that the major occupation of the village communities are as farmers, who have private land or as laborers (>50%). As laborers, they worked for landlord with salary Rp. 5,000 to Rp 10,000 per day for six days per week. This condition made village communities to depend their livelihood to potential of natural resources of Mt. Halimun NP. Based on dynamic hypothesis,the bufferzone could be developed through data and information of the natural resources that utilized or disturbed by communities. The plant biodiversity are used as energy, traditional medicines, food, handicrafts and forages.Illegal hunting done by surrounding communities was hunting wild pigs, birds and monkeys.To limit the exploitation, illegal cutting, illegal hunting and deforestation The Mt Halimun NP have program social forestry and agroforestry to decrease dependency of communities to the forest. For example the sheep breeding with forage plants in bufferzone.Other programs such as goats breeding and fish or plants development could be done in border land of national park or private land of communities.

RELATIONSHIP BETWEEN ALTITUDINAL CHANGES AND DISTRIBUTI OF RATS : A PRELIMINARY STUDY FROM GUNUNG BOTOL GUNUNG HALIMUN NATIONAL PARK Maharadatunkamsi, Maharadatunkamsi
BERITA BIOLOGI Vol 5, No 6 (2001)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

A study on the distribution and abundance of high mountain rat was carried out at Gunung Botol, Gunung Halimun National Park.Observation was conducted at three stations located at the mountain top, middle and foot of the mountain.The results indicated that four species of rat were recorded from Gunung Botol, namely Maxomys bartelsii,Niviventer lepturus, Niviventer fulvescens and Niviventer cremoriventer.Our data showed a relationship between number of individuals observed of each species with altitudinal gradients.While estimation of murid rodent population between altitudinal changes indicated there was no differences between the stations observed. An analysis was conducted to investigate any possible association between rat abundance against environment factors that could associate with altitude.The results indicated that ground covering and tree circumference, as well as interspecific competition seemed to be important factors in influencing the differences in distribution of each rat species.

THE COMMUNITY OF SOIL YEASTS IN GUNUNG HALIMUN NATIONAL PARK Kanti, Atit; Sudiana, I Made; Julistiono, Heddy
BERITA BIOLOGI Vol 5, No 6 (2001)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Fifty-two isolates were isolated from Gunung Halimun National Park on the basis of morphological and some physiological characteristics.Those isolates were belonged to three groups namely, ascomycetous, basidiomycetous and imperfect yeasts.Rhodotolum sp.was only found in Ciptarasa site at 1500 m asl, ascomycetous yeasts was only isolated from deteoretic root in Gunung Botol site, while Candida sp.(small globose shaped cells) was only isolated from soil at 1800 m asl of Gunung Botol site. Type of plant species appeared has no effect on yeasts diversity as shown by similar yeasts diversity was observed at rhizosphere soil of three dominating plant (Schima waallichii, Castanopsis javanica and Altingia excelsa) at Cikaniki study site.

FISH FAUNA IN GUNUNG HALIMUN NATIONAL PARK AND THE ADJACENT AREA Rachmatika, Ike; Sjafei, Djadja S; Nurcahyadi, W
BERITA BIOLOGI Vol 5, No 6 (2001)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Gunung Halimun National Park is known to be the area of head waters of a number river systems originate. However,there has been no information on fishes diversity at this area.In this regard, a series of ichthyofauna study was conducted from 1996 to 2000. Thirty seven species belonging to 13 families and 26 genera have been found in the rivers and streams in Gunung Halimun National Park and its adjacent area.Gobiidae was dominant, comprising 13 species or 36,36 %, followed by Cyprinidae comprising 5 species or 16.13 %.These Gobioid species were derived from Cisukawayana and Cimaja River, two of the rivers existing in Gunung Halimun National Park which flow south, to the Indian Ocean. In river flowing north i.e, Cikaniki, Ciberang and Cidurian, even from the middle of Cisadane River these fishes were not found. The fishes species which were found in common in rivers flowing north and south were Rasbora aprotaenia,Puntius binotatus, Channa gachua, Clarias batrachus, Poecilia reticulata and Xiphoporus helleri. Up to the present ten fish species were found within the park such as R. aprotaernia, P. binotatus, T. tambra, C. gachua, P. reticulata, P. latipinna, Cyprinus carpio, Monopterus albus, Glyptothorax platypogon and Lentipes sp. It was found that genus Lentipes and Schismatogobius marmoratus extend their range to Java (new record for Java) as well as Rasbora aprotaenia extends its range to southern Java.

STUDI FLORISTIK JENIS-JENIS ANGGREK (ORCHIDACEAE) DI TAMAN NASIONAL GUNUNG HALIMUN, JAWABARAT Mahyar, Uway W; Sadili, Asep
BERITA BIOLOGI Vol 5, No 6 (2001)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

CELLULOLYTIC BACTERIA OF SOIL OF GUNUNG HALIMUN NATIONAL PARK Sudiana, I Made; Rahayu, Ritai Dwi; Imanuddin, Hartati; Rahmansyah, Maman
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 | DOI: 10.14203/beritabiologi.v5i6.1077

The population of aerobic cellulolyitic bacteria (ACB) of soil Gunung Halimun National park and its celulolytic capacity were studied.The soil samples were collected from various altitude (500-1500) m asl.Microbial isolation was performed by culture enrichment technique with CMC (carboxymethyl cellulose) as the major carbon sources.The quantitative determination of ACB was performed by growing the microbes on CMC containing media, and utilizing congored as an indicator.ACB was indicated by formation of clearing zone surrounding growing colony.Cellulytic capacity of each isolates was determined by analysing the ratio of colony and clear zone formation.ACB were quite heterogenous include Bacillus sp., Clostridium sp., Chromobacterlum sp., Enterobacter sp., Moraxella sp. and Pseudomonas sp.

FLUKTUASI CURAH HUJAN DAN KOMUNITAS SERANGGA DI HUTAN TROPIS TAMAN NASIONAL GUNUNG HALIMUN*[Fluctuation of rainfall and insect community in a tropical forest, Gunung Halimun National Park] Kahono, Sih; Noerdjito, Woro A
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 | DOI: 10.14203/beritabiologi.v5i6.1082

Study on fluctuation of rainfall and insect community was conducted in a tropical forest, Gunung Halimun National Park. Ten years rainfall data was available to discuss their fluctuations. Rainfall was relatively non-seasonal with high number of almost entire monthly rainfalls.Although fluctuation of rainfall in GHNP did not show clear seasonal trend, however appearance of less rainfall showed from June to September. There were several slight fluctuations in the number of rainfalls from a month to another and some time showed major and minor peaks. Monthly dry months had never reached 0 mm. In ordinary years, only one-month drought occurred in July 1991 (90 mm) and December 2000 (8 mm). Strong drought occurred only during El Nino of 1994 and 1997, which have 3 to 4 dry months. Fluctuation of insect community was studied from March 2000 up to February 2001. Two insect collection methods were applied by setting up light traps and pitfall traps. Total individual of each order of insect counted monthly and to be compared one to another. Changing the number of monthly individual of each order was interpreted to the number of monthly rainfall in order to analyze the relation of changing of the number of rainfall and the individual of each order of the insect collected. Fluctuation of the number of monthly rainfall was synchronous to the number of insect community collected by light traps (night flying insect) but tend to opposite to the number of insect collected by pitfall traps (ground insect).

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