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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 23 Documents
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Search results for , issue "Vol 13 No 2 (2013)" : 23 Documents clear
KEARIFAN LOKAL DI BALIK MITOS LEMBU PUTIH DI DESA TARO, GIANYAR I.B.G. Pujaastawa
Bumi Lestari Journal of Environment Vol 13 No 2 (2013)
Publisher : Environmental Research Center (PPLH) of Udayana University

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AbstractThe study tried to reveal the local wisdom which resided behind the myth of white ox atTaro village, Gianyar. According to conception of social confidence at Taro village, existencethe white ox in the village represent the holy animal owned by deity who protecting theirlife. On that account, the society always treat it very respectively and prohibiting to exploitit for secular purposes. The phenomenon tried to comprehended by using cultural materialismapproach to expose the rationality which hidden behind the myth of the white ox. Currently,according to view of cultural materialism, stated that behind the traditional societyconfidence system often there are rational logics as form of adaptation response to economicconditions and ecology faced. This study found that behind myth about the white ox in Tarovillage consisted economic benefit and ecology in the form of, (1) distribution of agriculturearea and fee for the who herds, (2) as mechanism of pest control and (3) as mechanism ofgenetic purification of the white ox as endemic animal.
VALUASI EKONOMI TINGKAT KERUSAKAN BANGUNAN PERMUKIMAN AKIBAT BANJIR LAHAR DI KALI PUTIH KABUPATEN MAGELANG Rosalina Kumalawati
Bumi Lestari Journal of Environment Vol 13 No 2 (2013)
Publisher : Environmental Research Center (PPLH) of Udayana University

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AbstractThe purposes of this study are to identify the zonation of lahar-affected regions and thenumber of damaged houses due to lahar, as well as to make an economic valuation onsettlement building damage due to lahar in Kali Putih, Magelang Regency.The study was conducted by using a survey method based on physical and administrativezonations. The former was based on overflow width of lahar in Kali Putih after the Merapierruption in 2010, while the latter was based on subdistrict. Each of the zonation units wassampled. The sampling was carried out on the basis of settlement building vulnerability dueto lahar. The sample was represented by 59 respondents and three times of Focus GroupDiscussion (FGD) during the study.Results of the study show that, first, the overflow width of lahar in the location of study was1.785 km2. The widest overflow was in Sirahan Village, i.e. 0.813 km2 or 45.532 %, and thenarrowest one was in Blongkeng Village, Ngluwar Subdistrict, i.e. 0.001 km2 or 0.057%.Second, the number of houses affected by lahar was 1,290 houses. Settlement buildingdamage was dominantly due to collapse/washed away (814 houses), moderately damaged(200 houses), ligthly damaged (140 houses), severely damaged (71 houses), and relativelyundamaged (65 houses). A settlement mostly affected by the impact of lahar was SirahanVillage, Salam Subdistrict, i.e. 860 houses. Third, the largest lost resulted from the laharwas related to permanent houses, i.e. approximately IDR104,000,000.00 because theconstruction cost for the permanent houses was more expensive than that for semi-permanentand non-permanent ones.
PEMODELAN SPASIAL BAHAYA BANJIR ROB BERDASARKAN SKENARIO PERUBAHAN IKLIM DAN DAMPAKNYA DI PESISIR PEKALONGAN Muh Aris Marfai
Bumi Lestari Journal of Environment Vol 13 No 2 (2013)
Publisher : Environmental Research Center (PPLH) of Udayana University

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AbstractTidal flood is predicted to be more severe in the future because of sea level rise due toglobal warming. Purposes of the study are: 1) identify spatial distribution of tidal floodhazard in Pekalongan coastal area; 2) identify environmental impacts of tidal flood inPekalongan coastal area; and 3) formulate coastal management based on spatialdistribution analysis and tidal flood impacts in Pekalongan. Flood analysis in coastalarea was conducted by flood hazard mapping using GIS (Geographic Information System).Flood hazard mapping was developed by integrating GIS operation with DEM (DigitalElevation Model), level of inundation and iteration process. Tidal flood inundation scenariowas generated based on highest tides and sea level rise scenario by IPCC 2007, level ofinundation reached up to 135 mm. Results of this study showed that settlement and irrigatedpaddy fields are the widest inundated area by tidal flood. Tidal flood provides seriousenvironmental impacts such as infrastructure damage, agriculture and aquaculture landdamage, and soil and water pollution. Infrastructure damages include road, settlementsand sanitation.
KESIAPSIAGAAN MASYARAKAT TERHADAP BAHAYA LAHAR DINGIN GUNUNG MERAPI Ramanditya Wimbardana
Bumi Lestari Journal of Environment Vol 13 No 2 (2013)
Publisher : Environmental Research Center (PPLH) of Udayana University

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AbstractAfter the 2010 eruption of Mt. Merapi, ten million cubic meter of volcanic material ravagedsettlements, infrastructures, and agriculture areas where it located at downstream area of13 rivers. Lahar becomes threat for 1 million people who live on the flanks because it canflows along the rivers anytime. However, community is still standing in their hamlets andrefuses housing relocation plan that suggested by the government. This research aims toexplore community preparedness for lahar threat in Mt. Merapi flanks. Understanding thisinformation will help policy makers for disaster risk reduction that community empowermentis needed to cope with it. Research method applied with 244 questioners distribution tohousehold who live in four hamlets in Kali Putih riverside and lahar prone area. Analyticalmethod used statistic approach with descriptive analysis. Many households have preparedsome action in order to protect them from lahar despite they have lack of information howto face lahar. This study recommends capacity building forhousehold level and communitylevel by local government and NGOs in lahar prone area of Mount Merapi.
STRATEGI PENGEMBANGAN MUARA SUNGAI YEH MATAN SEBAGAI OBJEK WISATA AIR DI DESA TEGAL MENGKEB KECAMATAN SELEMADEG TIMUR KABUPATEN TABANAN Anak Agung Putu Agung
Bumi Lestari Journal of Environment Vol 13 No 2 (2013)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

AbstractOne of the development in tourism industry can be done by develop the tourist destinationas a tourist attraction. Development of tourist attraction is certainly planned andimplemented in accordance with the potential and capabilities of the region. One ofalternative to develop the tourist attraction and able to be selected as the tourist destinationespecially in Tegal Mengkeb village is water attraction at estuary of Yeh Matan river whichrelated to nature tourism.The used method in this study is a combination between qualitative and quantitative researchmethod, data collection techniques by questionnaires, interviews, literature study anddocumentation. Data analysis techniques using SWOT analysis to determine the internaland external factors position in development of yeh matan estuary as water attraction.The results of research according to SWOT analysis obtained the average value for internalfactor is 3,057 and external factor is 3,024. It means that the estuary of Yeh Matan river arein a favorable position, maintain and control, maintain the condition of internal factor thathave existed without make changes as water attraction.Require the cooperation and integrated partnership among community, village officials,Government of Tabanan Regency and related stakeholders to promote the estuary of YehMatan river as water attraction at Tegal Mengkeb village, East Selemadeg Sub District,Tabanan Regency.
PEMBERDAYAAN TOUR GUIDE EKOTURISME DI KAWASAN CAGAR BUDAYA DANAU TAMBLINGAN-BATUKARU BALI I Nyoman Wardi
Bumi Lestari Journal of Environment Vol 13 No 2 (2013)
Publisher : Environmental Research Center (PPLH) of Udayana University

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AbstractTraining Ecotourism Tour Guide Batukaru Heritage Region-Lake Tamblingan performed atMunduk Buleleng on 1 until 7 September 2012. The community service was held in SD 3hall Tamblingan and the meeting was attended by 20 participants from organisation guide(OBB) including the head of OBB (Organisasi Bangkit Bersama). The aims of this trainingto enhance the knowledge and skills as a tracking tour guide in Batukaru-Tamblingan.Training is also intended to provide a briefing on the knowledge ecosystem of lakes, forestand about the history and function of the cultural heritage in the region Batukaru-Tamblingan which now has been declared by UNESCO as a World Cultural Landscape inBali.As a local tour guide, which is still weak foreign language skills, age, and education levelof the participants is quite heterogeneous effect on the rate of absorption ability and spirittraining. Ecotourism tour guide training is expected to re-integrate the social cohesionand sustainable society in harmony.Recognizing the heterogenity of the condition of the trainee, techniques and methods ofpresentation of training materials, must be adapted to the conditions so that the materialcan be absorbed optimal. The first material was delivered in a lecture and presented byusing the Microsoft Power Point program and discussion to increase participants intereston the topic. Second, the practice of direct methods on objects that exist in the empiricalTamblingan Munduk Village. The practice of tour guide in the field for two days with shorttrack and medium tract.Based on the evaluation performed the training process, and from the impressions andmessages conveyed by the trainees at the time of closing, was satisfied and happy training.A participants gave very enthusiastic responses and are expected to continue to be thequality of human resources and OBB members of the community can be improved.
ESTIMASI NILAI EKONOMI TOTAL (TOTAL ECONOMIC VALUE) SUMBERDAYA ALAM DAN LINGKUNGAN DANAU SINGKARAK Idris Idris
Bumi Lestari Journal of Environment Vol 13 No 2 (2013)
Publisher : Environmental Research Center (PPLH) of Udayana University

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AbstractLake Singkarak is one of natural resources and environmental which is important for human life. Itis located in West Sumatera Province, with area of 11220 km2 and 136 m depth. Until 2000, therewere no studies about the total economic value of lake Singkarak resource. That is the reasonwhy the researcher wants to conduct a research to estimate the use value and non-use valueof it. In order to quantify the value above, he used some approaches that based on theconcept of individual willingness to pay, by using the framework of the total economic value.The study shows that total economic value of natural resources and environmental of Singkaraklake is Rp. 174.950 billion per year. It consists of (a) the economic value of fishery Rp. 7,328billion, (b) the economic value of irrigation Rp. 0, 775 billion, (c) the economic value ofrecreation Rp. 4,176 billion, (d) the economic value of domestic use Rp. 7,718 billion, and (e)the the economic value of electricity power Rp. 154,992 billion. These findings are usefull forthe government as the policy maker to manage the development of lake Singkarak’s naturalresources and its environmental efectively and sustainability.
REDUKSI LOGAM BERAT CHROMIUM (VI) DENGAN FOTOKATALIS KOMPOSIT TiO2-SiO2 Candra Purnawan
Bumi Lestari Journal of Environment Vol 13 No 2 (2013)
Publisher : Environmental Research Center (PPLH) of Udayana University

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AbstractsComposite TiO2-SiO2 has been synthesized using sol-gel process with starting materialsTiCl4 and Na2SiO3. The purposes of this research were to know the effect of compositecomposition, pH solution and UV radiation time for reduced Chromium (VI) cations. Theidentification and characterization of composite were done by infrared spectroscopy (IR)and X-Ray Diffraction. Condition of Chromium (VI) reduction by composite TiO2-SiO2 werecarried out with variation of composite TiO2-SiO2 concentration or the ratio Ti:Si were1:0,1 ; 1:0,5 ; 1:1 ; 1:1,5 ; 1:2. Variation of pH solution in 3,0; 3,5; 4,0; 4,5; 5,0; 5,5; 6,0; 6,5;7,0 and variation of UV radiation times in 2, 4, 6, 12, 18, 24, 30, 36, 42, 48 hours.The result showed that XRD characteristic of TiO2-SiO2 composite showed 2q peaks at 22.94degrees and 36.24 degrees. IR characteristic of TiO2-SiO2 showed absorption of Ti-O-Si inthe wave number 962 cm-1. The optimum reduction of Chromium (VI) cations using TiO2-SiO2 composite in Ti:Si = 1:1 composition, pH 3 and with 18 hours radiation times.
PENGARUH KENAIKAN TEMPERATUR LINGKUNGAN TERHADAP KONSUMSI ENERGI LISTRIK PADA SISTEM TATA UDARA Kamin Sumardi
Bumi Lestari Journal of Environment Vol 13 No 2 (2013)
Publisher : Environmental Research Center (PPLH) of Udayana University

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AbstractIndesigning air conditioning system, global warming effect within a region isa veryimportant factorbecause itcanaffect theperformanceor the efficiency and theelectricityconsumptionof theair conditioning system. The increase in outsideor environmentwillincrease theheat loadthatmust becontrolled by the air conditioning system. This studyisaimedtoanalyze theincrease of outsideairtemperatureor the environment inthe CityofBandung, West Java, Indonesia on theperformance ofthe air conditioning systemandelectricenergyconsumption. Resultsof this studyindicatethatan increase inoutsideorenvironment air temperaturebyr1oFreducethe cooling power (refrigerating effect) by0.5Btu/lb, in average and increases thetheoreticalcompressorpower by 0.39Btu/lb in average. Theincrease in outside air temperature by 1oF also decreases the Coefficient ofPerformance(CoP)in averageby 0.3; decrease the refrigerantcirculationinthe systemin average by0.025lb/ton-min, andraises electricenergyconsumptionin average by 26.38watts/tonor0.035HP/ton.
PENILAIAN DAUR HIDUP BOTOL PET (POLYETHYLENA TEREPHTALATE) PADA PRODUK MINUMAN LIFE CYCLE ASSESSMENT (LCA) OF PET (POLYETHYLENA TEREPHTALATE) BOTTLES FOR DRINKING PRODUCT Mohamad Yani
Bumi Lestari Journal of Environment Vol 13 No 2 (2013)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

AbstractThe use of PET packaging in drinking products has increased and shifted glass packaging,so it is necessary to study the life-cycle of PET packaging. This research aims to evaluate lifecycle of PET bottles on tea beverage products. This life-cycle assessment includes productionprocess, inventory, environmental impact, and cost analysis. The life cycle of PET bottle inIndonesia is not complete. The relationship between PET bottle manufacturers, drinkingmanufacturers, and recycling waste, are unidirectional. The recycled waste-PET used forother products. Based on the analysis of inventory, PET bottles 600ml is nedeed 28g resin/bottles and energy. The PET packaging production still produced a high defective product.Environmental impact assessment of PET bottle production indicates that the ambient airquality, noise and waste water are still good. The impact of PET bottle plant produce aglobal warming potential, reduce ozone layer and acid rain. The cost analysis describethat selling price of PET bottles is half the price of a glass bottle, while the price of waste-PET flake is three times higher than cullet. Although PET packaging is considered morepractical, cheap and saving, but the recycling of PET packaging has not been widelyutilized.

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