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Pusat Penelitian Lingkungan Hidup (PPLH) Universitas Udayana Gedung Laboratorium Universitas Udayana, Lt 4. Jln. PB. Sudirman Denpasar, Bali-INDONESIA Telp./Fax. (+62 361) 261 182
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Bumi Lestari
Published by Universitas Udayana
ISSN : 14119668     EISSN : 25276158     DOI : https://doi.org/10.24843/blje
Core Subject : Humanities, Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Humanities Earth & Planetary Sciences Energy Environmental Science
Bumi Lestari Journal of Environment (p-ISSN: 1411-9668; e-ISSN: 2527-6158) is a peer-reviewed journal, presents original research articles and letters in all areas of environmental studies and environmental sciences (biotic, abiotic and social/cultural). This journal has been indexed by cabdirect cabi.org, AJD (Academic Journals Database), ISJD (Indonesian Scientific Journal Database), IndexCopernicus, Portal Garuda, researchBib and Google Scholar. The journal is published by Environmental Research Center (PPLH) of Udayana University. The journal is published two times a year: February and August in both printed and online versions. The online version is free access and download. This journal is devoted to publish research papers such as environmental biology, environmental physics, environmental health, ecology, geosciences and environmental chemistry including such matters as land, water, food, conservation, population, risk analysis, pollution, energy, economics of ecological and non-ecological approaches, social advocacy of arguments for change, analytical methods, legal measures, implications of urbanism, energy choices, waste disposal, health effects, recycling, transport systems, political approaches, social impacts and other issues of mass society. There is concern also for marginal areas, under-developed societies, minorities, species loss, etc. The purpose of this journal is to provide input and its solution to the environmental problems that has happened or will be happen from the results of researchs.
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Ilmu Lingkungan (Lain-Lain)
Articles 17 Documents
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Search results for , issue "Vol 9 No 1 (2009)" : 17 Documents clear
BIODEGRADASI DODECYL BENZENA SULFONAT DALAM SISTEM LUMPUR AKTIF I Wayan Budiarsa Suyasa; Ni Putu Diantariani
Bumi Lestari Journal of Environment Vol 9 No 1 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

The research about biodegradation of dodecyl benzene sulfonat ( DBS) has been conducted by using bacterium of sediment of Tebe River in Denpasar. Goals of research were to determine curve of growth bacterium in DBS media and its ability to degradation of DBS. Determination of research consist of exponential phase of bacterium, measurement of volatyl suspended solid (VSS), biologycal oxygen demand (BOD), and biodegradation rate of DBS. Isolate that isolation from Tebe River of Denpasar was seed in DBS media (1g of DBS ;1,5g of NPK ; and 0,2 g of MgSO4.7 H2O to dissolved in 1 L aquadest) with control of growth by measurement of VSS during 12 hours. Active mud that seeding was used to treat of waste water with DBS content. Counted 200 ml active mud in exponential phase, enhanced by 800 ml of waste with DBS content. Measure value of BOD and DBS content, and analysis its rate of decrease. Result of the research indicate that exponential phase of bacterium at an hour of eight with value of VSS equal to 1421,73 mg /l. During treatment of waste, value of BOD and DBS has decreased from initial. Rate of BOD decrease happened to 3 days that following equation is y = - 0,167 X + 3,932 with rate of decrease is 0,167 mg /l. Rate of degradation of DBS quickly, is indicated to 3 days by following fast equation is y = - 0,306X + 6,714 with rate of degrade equal to 0,306 mg /l.
JENIS-JENIS TUMBUHAN SEBAGAI SUMBER PAKAN JALAK BALI (Leucopsar rothschildi S.) DI DESA PED, NUSA PENIDA, KLUNGKUNG, BALI I Ketut Ginantra; A.A.G. Raka Dalem; Sang Ketut Sudirga; I.G.N. Bayu Wirayudha
Bumi Lestari Journal of Environment Vol 9 No 1 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

A study on plants species as resource of food for Bali Starling (Leucopsar rothschildi Stresemann, 1912) was carried out in Ped Village, Nusa Penida, Klungkung Bali, Indonesia between March-April and between August-September, 2006. Explorations methods were conducted in making inventory of plants species and part of plants as food resource. Direct observations were conducted to observe feeding activity of the starling after release. Results of this study showed that 105 plants species have been identified in Ped village. About 30 species (in varied habitus of trees, shrubs, and herbs) acted as food resources for the starling. Part of plants species which had been used as food resources were fruits and seeds. Besides plants as food sources, insects were also available on the studi site (such as grasshopper, ants, caterpillars, butterflies). In addition there were also small reptiles as source of food for the the bird. Plants availability as source of food supports ex-situ conservations of Bali Starling in Ped village.
PEMIKIRAN FILOSOFIS YANG MENDASARI PEMELIHARAAN LINGKUNGAN HIDUP: STUDI KASUS BANJIR DI KAWASAN CENGKARENG JAKARTA BARAT DAN BANJIR DI KAWASAN KELAPA GADING JAKARTA UTARA Laksmi Gondokusumo Siregar
Bumi Lestari Journal of Environment Vol 9 No 1 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

To inhabit the earth is a blessing and a responsibility that given by The Almighty God to us as human beings. Accordingly, this paper explores deep thoughts which was necessary to be understood by human who exist on earth. An ethical based behavior and an understanding about thoughts which potentially change natural environment to artificial one was becoming significant to be investigated for the sake of human being in general. When there was a development conducted on one area, it would cause some impacts which should previously cautiously calculate. The impacts would affect far in the future, so the area as an architectural creation should had some thoughtful aspects inside its development. Therefore, the architectural design would also maintained and made plan for an steady environment which would keep the city away from floods or any other disasters.
PENCEMARAN BTEX DAN LOGAM BERAT PADA HUTAN MANGROVE PESISIR TAMBAK LEKOK Edyson Indawan
Bumi Lestari Journal of Environment Vol 9 No 1 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

This research was aimed to explore land function changes and contamination levels (BTEX and heavy metals) on the mangrove area. The results of BTEX parameters from soil sample and indentified benzene showed heavy metal contaminations on Plot A, B, C and D were16.30 ppm, 81.30 ppm, 56.90 ppm, and 93.50 ppm respectively, but it was not detected on Plot E. Toluene contaminations was 481 ppm, 824 ppm, 490 ppm, 896 ppm, and 93.50 ppm. It showed that Plot B and D were heavily contaminated. Based on EC values of water, it showed that contamination was heavy on Plot B (4.76 us/cm), Plot C (4.67 us/cm), Plot D (4.64 us/cm) and Plot E (4.66 us/cm). Based on water samples and detected benzene, it indicated an heavy contamination on Plot A (24.30 ppm), Plot B (8.13 ppm), Plot C (20.20 ppm), Plot D (8.13 ppm), Plot E (8.13 ppm), while toluene (460 ppm, 522 ppm, 509 ppm, 319 ppm, 522 ppm) contaminated slightly. Ethylbenzene and Xilene were not detected by gas chromatography. EC value of soil showed that intensive contamination occurred on Plot E (4.81 us/cm). It showed that intensive contamination took place on soil mainly by Pb contamination on Plot C, Plot D, and Plot E (5.98 mg/kg, 7.24 mg/kg, and 6.43 mg/kg). Meanwhile, Plot A and B were slightly contaminated only. The same levels occurred on Cu for all plots, except Plot A (6.22 mg/kg). Zn and Cr did not contaminate, while Ag and Cd were not detected. Water medium was not contaminated by Pb, Cd, Cr, and Zn. Furthermore, Ag and Cu were not detected.
ANALISIS INDEKS VEGETASI MENGGUNAKAN CITRA ALOS/AVNIR-2 DAN SISTEM INFORMASI GEOGRAFI (SIG) UNTUK EVALUASI TATA RUANG KOTA DENPASAR A. Rahman As-syakur; I.W. Sandi Adnyana
Bumi Lestari Journal of Environment Vol 9 No 1 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

High population density is the main factor in environmental problems, where the high speed of human growth caused the vegetation area became deminishing. The aims of this research was to functionized the ALOS/AVNIR-2 image satellites and GIS to calculate the percentage of vegetation in Denpasar city with three index vegetation formulas: NDVI, SAVI dan MSAVI in order to get one formula to build the distribution map based on the percentage of vegetation. This map was used to evaluate the urban planning map 2003 in Denpasar city. Result showed that there was relationships between vegetation index of ALOS/AVNIR-2 images and percentage of vegetations, where the vegetation index of NDVI and SAVI had the highest coefficient determination. The formula of “Percentage Vegetation = 132.71 (NDVI)2 + 3.461 (NDVI) + 5.6775” was used to generate the percentage distribution vegetation map. Based on that map, the dominant vegetation distribution found in settlement area (with percentage vegetation area) lower than 25%. The urban planning for green open area “KDB” 0% was dominated by the area which had a percentage of vegetation between 25-50% and 50-75%. In the other hand, the urban planning for “Tahura”, was dominated by the area which had a percentage of vegetation of more than 75%.
DIVERSITAS FLORA DI BUKIT ABAH, KABUPATEN KLUNGKUNG UNTUK MENDUKUNG PENGEMBANGAN EKOWISATA I.N. Rai; I Made Sukewijaya; I Gusti Alit Gunadi
Bumi Lestari Journal of Environment Vol 9 No 1 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Goverment of Klungkung Regency, Bali province has a plan to develop an ecotourism area at Bukit Abah. The area is located within Besan Village, District of Dawan. In associated with this plan, a study has been conducted to identify the availability of diversity of flora in this site. The study was conducted by plant type stocktaking and analysis of vegetation methods. Results of plant type stocktaking shown that there were 126 plant species in the area, which were classified into 54 families. In addition, the analysis of vegetation indicated that there were a wide diversity of plants identified in Bukit Abah, with a diversity index (H) of >1.5. The high diversity of flora on the site had made a potential of attractive attention for developing of ecotourism in this area. It is suggested to accomplish an informative plantation labeling and vegetation conservation in associated with the development of the ecotourism plan
ALTERNATIVE IN VITRO MEDIA FOR MEDIUM-TERM CONSERVATION OF CHRYSANTHEMUM (Dendranthema grandiflora Tvelve) Kurniawan Budiarto
Bumi Lestari Journal of Environment Vol 9 No 1 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Sufficient genetic diversity and gene pool conservation are needed to serve breeding activities of chrysanthemum. In the tropics, in vitro conservation was expected to be a breakthrough in alleviating the limitation of in vivo methods. A previous study using osmotic pressure methods in low temperature has successfully preserved chrysanthemum via in vitro for medium-term conservation. Modified nutrient compositions were also predicted to have the same impact as far as these concerned. The research was then, conducted to evaluate in vitro conservation of chrysanthemum using media modification in low temperature. The research was carried out on the Indonesian Ornamental Crops Research Institute (IOCRI) from January, 2007 to March, 2008. A randomized completely block design with 25 replications was utilized to accomplish the combination of two factors. The first factor was six commercial chrysanthemum cultivars, namely cv. Puma, cv. Kermit, cv. Town Talk, cv. Snowdown, cv. Yellow Fiji and cv. Saraswati. While the second factor dealt with four formulations of conservation media i.e. ½ MS + DMSO 2,5 % + 4 % sucrose, modified hyponex + 4 % sucrose, modified hyponex (no sucrose) and ½ MS + 4 % sucrose (control). The results showed that the medium term of in vitro conservation for chrysanthemum were successfully conducted up to 12 months using ½ MS + DMSO 2,5 % + 4 % sucrose and modified hyponex + 4 % sucrose without any significant differences and decreases in viability when transferred in to shoot induction media. In the absent of sucrose, however, the planlet survival rates decreased on the media of modified hyponex after 8 months of storage. No significant variation was observed among the chrysanthemum accessions tested.
ANALISA KUALITAS AIR (FISIK, KIMIA) SEBAGAI INDIKATOR KEHIDUPAN INDUK IKAN NILA (Oreochromis niloticus) DI LOKA BUDIDAYA AIR TAWAR MANDIANGIN Dini Sofarini
Bumi Lestari Journal of Environment Vol 9 No 1 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

This research is aimed to find out water quality in ponds at freshwater plantation world, that was whether fit or not with Water Quality Standard. Besides, the research was aimed to identify about accomplishment of water quality management at freshwater plantation world Mandiangin. The research was hoped could contribute to provide updated information for the direction of freshwater plantation world Mandiangin about the condition of water quality in ponds. Result of the research showed that physics and chemist parameters were fit with the condition of Water Quality Standard (classified C), that was for fisheries and farming needs, acceptable for Dissolved Oxygen that had a lower grade and did not fit with Water Quality Standard. Besides, accomplishment of water quality management was good enough. Especially for DO, it might need aerator to increase DO values.
MONITORING OF WATER QUALITY IN THE LAKE MARKEERMEER, THE NETHERLANDS Philiphi de Rozari
Bumi Lestari Journal of Environment Vol 9 No 1 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Lake Markermeer is a large fresh water lake in the centre of the Netherlands. The actual problem in this lake was its high turbidity. Since Lake Markermeer is categorised as a shallow lake, it is very susceptible for water quality problems. The general objective of this study was to study water quality of Lake Markermeer. Monitoring of water quality was carried out in a 5 months period from November, 2007 until March, 2008. For this research, surface water was firstly sampled at 66 representative sites; parameters measured were: pH, EC, temperature, turbidity, DO, Secchi depth, P total, N total, chlorophyll and Silica total. The monitoring was continued every two weeks at two fixed sampling sites referred to as STA and STB with the same previous parameters excluding total. Statistical t-test analysis was utilised to compare the value of each parameter between two sampling stations. Result of water quality measurement showed that variability of surface water quality in the Lake Markermeer could be explained as follows: for pH, conductivity, temperature and dissolved oxygen (DO) no significant variation was found among sampling sites (coefficient of variation, CV ? 10%). On the other hand, for turbidity, Secchi disk depth, P total, N total, chlorophyll-a and silica total, ranges between minimum and maximum values were significantly larger (CV > 10%). The result of the turbidity, Secchi disk depth, N total, P total and chlorophyll-a at the two fixed sampling stations were much diverse during the sampling period.
FUNGSI DAN PERANAN BALI ORCHID GARDEN DI KESIMAN KERTALANGU SEBAGAI WISATA ALTERNATIF I Made Budiasa
Bumi Lestari Journal of Environment Vol 9 No 1 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

As one of the world tourism destination, Bali is supported by tourism industry components, such as tourist attractions whether they are natural or cultural ones. As a good example of tourist attraction developed by a private company in Bali is Bali Orchid Garden. It is unique in term of its history, product, location, collection, promotion, personnel, and number of visitors. As a tourist attraction, the Bali Orchid Garden is quite relevant with the concept of alternative tourism, in which it is opposed to mass tourism. The alternative tourism lies emphasis on the small scale of development, the active experience of tourists, direct contact between tourists and host community, local community prosperity, providing tourists with a wider choice of tourist products to enjoy, and it cares in preserving the environment. Related to the main function of Bali Orchid Garden as a tourist attraction, its role is to provide a product diversification or innovation to support cultural tourism in Bali. In a wider perspective, the role and function of Bali Orchid Garden could be seen from economic, socio-cultural, and environmental aspects

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