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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 20 Documents
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Search results for , issue "Vol 10 No 1 (2010)" : 20 Documents clear
PENGATURAN BATAS KETINGGIAN BANGUNAN DALAM MENJAGA KEBERLANJUTAN BENTANG ALAM DAN LINGKUNGAN TERBANGUN Gusti Ayu Made Suartika
Bumi Lestari Journal of Environment Vol 10 No 1 (2010)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

This article attempts to relate two important issues of regulating building height limit and sustainability of the natural environment. It is part of publications that document findings resulted from the so called fundamental research study, that was consecutively funded by the Indonesian Department of Education in 2008 and 2009. This study used hermeneutical research approach, which was observed through selective case studies. Within the last two decades, sustainability of our nature and life on earth have attracted a serious attention, not only from environmentalists, but also from economists, politicians, academics, as well as those who concern about socio-cultural development as a whole. In line with the intense environmental destruction\'s taking place in a speed which has never been anticipated, this aforementioned condition continues to require intensive actions. Architecture and regional planning, two disciplines that dedicate their focus of interests on building design and the management of spatial development, cannot turn their eyes away from such a world-widely spread phenomenon. Both disciplines utilize space – nature –, which consequently bring about impacts on the surrounding environment. In relation to local development, planning discipline especially, orients its activities toward developing various mechanisms in guiding and controlling development, as well as sanctioning violations of planning laws. Ideally, these attributes aim at balancing spatial need of numerous interests, mitigating potential negative impacts on the environments, and offering solutions in overcoming problems and conflicts. Contextualizing its discussions within the above circumstances, this article investigates three prominent topics of discussion. First, it examines the idea of development and sustainability. Second, it studies the implementation of sustainability to the context of spatial development. Third, it bridges the first and second sections with the issue of building height limit regulation at a global level. Before embarking on discussion over these three elements, this article draws an emphasis on the inextricable correlations between sustainable development, spatial development, and building height. Overall, this article critically summaries considerations and efforts in sustaining our life on earth by appropriately addressing considerations of either limiting or relaxing building height limit in a particular planned area.
PEMANFAATAN CABANG DENGAN KULIT KAYU SENGON (PARASERIANTHES FALCATARIA L. NIELSEN) SEBAGAI BAHAN BAKU PULP DALAM UPAYA MENGURANGI KERUSAKAN HUTAN Ridwan Yahya
Bumi Lestari Journal of Environment Vol 10 No 1 (2010)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Based on preliminary researches, stem and branchwood of Paraserianthes falcataria L. Nielsen were suitable as raw material for pulp and paper manufacture. For the whole tree the highest proportion of bark was found in branches and the top of the tree with a value ranging 20 – 35%. Up to now, the pulp industries have spent money to remove bark of P. falcataria branch before pulping. The objective of this study was to know the suitability of branches including bark as raw material for pulp and paper manufacture. Samples were determined for fiber dimension and its derivation. Screened chips were cooked with the Kraft process. Liquor-to-wood-ratio was 4 : 1. Chemical charge was 13.3% NaOH and 6.7% Na2S. The temperature was raised from room temperature to 170 oC for 90 min and kept at this temperature for 90 min. Pulp was washed; then kappa number, screened and rejected pulp, residual of black liquor were determined. Research results showed that pulp branchwood with bark has the values of screened pulp yield, alkali consumption, and kappa number 46.91%; 9,57; and 25.63, respectively. It paper product has the values of breaking length, burst factor, stretch, tensile strength, and opacity 9.94; 83.80; 3.57%; 1,733.34; 6.33 kN/m, and 92.85%, respectively. Based on those results, paper from branchwood with bark meets requirement for book, mimeograph, and photocopy papers.
PENGETAHUAN, SIKAP DAN TINDAKAN PETANI DI KABUPATEN TEGAL DALAM PENGGUNAAN PESTISIDA DAN KAITANNYA DENGAN TINGKAT KERACUNAN TERHADAP PESTISIDA Firman Hidayat; Tamrin Khamidi; Suryo Wiyono
Bumi Lestari Journal of Environment Vol 10 No 1 (2010)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

The objectives of research were to obtain basic information on: 1) pesticide use by Tegal farmers, 2) knowledge, attitude and practices of farmers on pesticide, 3) the relation between knowledge, attitude and practices of farmers on pesticide and intoxication level of farmers. Knowledge-attitude- practice (KAP) survey was conducted on 90 farmers (30 chili farmers, 30 shallot farmers, 30 rice farmers) of Tegal District with structured questionnaire. The information collected included private data, type and number of pesticide uses, knowledge on pesticide, practices and attitude in pesticide uses, and symptom rose after pesticide application. The locations of survey were in Sub-district Surodadi for farmers rice, Dukuhturi for shallot farmers and Bumijawa for chili farmers. The data was grouped and calculated for percentage. Further analysis was conducted by cross tabulation and continued by χ2 test for independence of variables. Five most frequently used pesticides by farmers in Tegal were pesticides with active ingredient chlorpyrifos, profenofos, alphamethrin, deltamethrin and propineb, respectively. Knowledge, attitude and practices of most Tegal farmers on pesticide management is still low and not in line with Integrated Pests Management principles. Moreover, KAP level from the best to the worst was chili farmers, paddy farmers and shallot farmers respectively. Intoxication level based on self report, from the most severe to the least was shallot farmers, chili farmers and paddy farmers respectively. There was significant relation of knowledge and practices of farmers and pesticides intoxication level.
EFFORTS PERFORMED BY HOTELS IN BALI IN LOOKING AFTER THE ENVIRONMENT A.A.G. Raka Dalem; I.N. Widana; I.N. Simpen; I.N. Artawan
Bumi Lestari Journal of Environment Vol 10 No 1 (2010)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

A study on “Efforts perpormed by hotels in Bali in looking after the environment” was undertaken in 2009, by utilising data from July, 2008 until June, 2009. Objectives of the study was for collecting data on any efforts undertaken by hotels in looking after the environment especially related to minimising water consumption, garbage handling, the use of chemicals (especially cleaning chemicals), minimising energy consumption and ecosystem conservation (measured from the proportion of natural vegetation). Data were collected from interviews, document checkings and distributing questionaires. Results of the study showed that in average water consumption of hotels in Bali was 115 litres / guest night. It was considered low, less than the benchmark of Green Globe/Earthcheck which was 1,300 litres / guest night. The average of energy consumption was 0.322 MJ per guest night, which was still much below the baseline levels / standard of 340 MJ / guest night. In average garbage/waste produced by hotels was 0.0309 litre/guest night. This was also much below the baseline of 6 litres / guest night. The use of biodegradable cleaning chemicals in the hotel was averaged 35% which should be a minimum of 50%. There were 22% only of hotels which used cleaning chemicals that were biodegradable over 50% (over the standard). In average the proportion of natural vegetation in a hotel was 29%. There were 43% of sampled hotels of which their natural vegetation was over the baseline of 33%. Thus, hotels in Bali should improved their performance in looking after the environment, especially dealing with cleaning chemicals and ecosystem conservation. In this regards, they should increase the proportion of the use of biodegradable cleaning chemicals and increase the proportion of land kept with their natural vegetation.
PENGARUH PENGGUNAAN AIR SEBAGAI FILTER TERHADAP DAYA PENYERAPAN EMISI NOX PADA GAS BUANG MOTOR BAKAR BENSIN I Komang Rusmariadi
Bumi Lestari Journal of Environment Vol 10 No 1 (2010)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

The purpose of this research is to answer of the research problem which observed the influence of the water level within the filter to the rate of the absorption to the NOX emission. The achievement of the above goal will provide the answer about the effectiveness of water as a filter for NOX to be used for any practical purpose. The results ofb The research expected to be useful as the preliminary step in providing a simply designed filter in overcoming the pollution of the environment. In this research, the exhaust gas from gasoline engine was drawn into a reservoir filled with water before being released to the atmosphere. NOX emission was measured using Automotive Emission Analyzer before and after the use of water filter. It was hypothesized that the length of the path through which the exhaust gas passing the water will affect the rate of the absorption of the NOX. Hence, the measurement of the influence of the water level of the filter to its rate of the NOX absorption was done. The data obtained from the measurement was statistically analyzed using least-square linear and nonlinear regression methods. The analysis showed that the higher the water level on the filter, the higher its rate of absorption to the NOX emission. The regression analysis showed that the second order polynomial equation was the best in representing the relationship of the research variables compared to the linear and exponential regressions.
PAVINGISASI PUSAT KOTA DENPASAR: KAJIAN FUNGSIONAL DAN ESTETIKA Syamsul Alam Paturusi
Bumi Lestari Journal of Environment Vol 10 No 1 (2010)
Publisher : Environmental Research Center (PPLH) of Udayana University

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The government of Denpasar City has organized Gajahmada Street and Kamboja Street through the project of pavement which has cost a lot. Physical, functional, role, quality and visual degradations as well as the decrease in the shopping activities and the damaged shapes of the buildings have led to this policy. To overcome such problems, the space quality has been improved with reference to the scale of pedestrians. Having been conducted for about one year, it is time to evaluate the project. The objectives are to identify whether the project has been successful as expected and whether esthetic and function have been given priority. The approach applied was physical trace observation (Zeisel, 1995) which was combined with the analysis of secondary data (the document containing the planning and comparative study of the area of pedestrians of La Rambla in Barcelona) which was then analyzed and interpreted. The results of the field and data analysis show that the plans which had been made to support the project of pavement of the two corridors was not in accordance with what had been expected. As the illustrations, the change of the traffic current was not carried out and the capacity of and accessibility to the parking center were still problems. These were the principle issues which should be paid attention to if the two corridors were expected to be the ones for the pedestrian. The other thing to which attention was not paid to was the attractiveness of the corridors (something to see, something to buy and something to do). In addition, the pedestrian’s motivation was not explored either. These are all seen at La Rambla, Barcelona. The conclusion which can be withdrawn from this study is that what has been planned for Gajahmada Street and Kamboja Street has given more priority to their aesthetics than functions. It is suggested that in the future a deep analysis should be made in the macro planning before every physical planning is made. After that, architectural, technical and aesthetic planning is made.
SHIFTING CULTIVATION SYSTEM A HUMAN ECOLOGICAL ADAPTATION TOWARDS TROPICAL RAIN FOREST ENVIRONMENT Harihanto Harihanto
Bumi Lestari Journal of Environment Vol 10 No 1 (2010)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Shifting cultivation is the oldest agricultural system widely practiced until now especially in tropical areas. Since this system requires relatively extensive use of land and uses slush and burn technique it is often labeled as a main cause of deforestation and land degradation. Each household of farmers needs about 1 – 5 hectares of land for shifting cultivation. On the other hand a lot of researchers have different opinions. They believed that shifting cultivation system has positive influenced on environment because it can increase biological diversity. Many studies show that the system does not caused permanent land degradation as long as the fallow period is not too short. Many scientists believe that if the system causes environment degradation then a lot of forested areas in Indonesia will have turned into desert now. Shifting cultivation practiced by Dayak communities in Kalimantan does not cause serious deforestation.
PENDEKATAN ERGONOMI TOTAL PADA AKTIVITAS PRAKTIKUM LAPANGAN DI DAERAH PANAS MENURUNKAN KELELAHAN DAN SUHU INTI TUBUH MAHASISWA Rolles Nixon Palilingan; Nyoman Adiputra
Bumi Lestari Journal of Environment Vol 10 No 1 (2010)
Publisher : Environmental Research Center (PPLH) of Udayana University

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n the Environmental Physics concentration, to implement the academic curriculum of Physics Department of FMIPA UNIMA, it had been made guidance in the book form to be used in performing the field practicum activity. The guidance had been utilized since the year 2001. However, the conventional activity apparently caused unfavorable risks to the students based on the efficiency of circulatory system so that the students could not attain the intended performance yet. Therefore, it has been arranged a new model of activity with several treatments by using the totally ergonomics approach. In order to test the capability of the activity compared with the conventional one, it had been done a research with the hypothesis: the intervention with the totally ergonomics approach decreases and the body core temperature of the student in the low land/hot area. This research was done by using the design of treatment by subject. The research has used 15 subjects as sample. The measurements of dependent variable were done in the beginning, among units of practicum, and the last on the end of period. The results of the research showed that the activity with the totally ergonomic approach could decrease fatigue and the body core temperature of the student significantly (p<0.05). With the decreasing of fatigue and body core temperature, it means that the activity is good biomechanically and thermally (in low land/hot area). The fatique and hyperthermia condition were responsible as the main cause of the low performance of the students. The activity with ergonomic intervention by using the totally ergonpomics approach succeeds in overcoming the fatigue and hyperthermia condition so that the performance of the students could increase considerably. Based on the research it can be concluded that the intervention with the totally ergonomic approach can: decrease fatigue and decrease body core temperature of the students in doing the field practicum activity. It can be suggested that in doing the activity with ergonomic intervention by using the totally ergonomic approach, principal requisites of every treatment must be fulfilled in order to achieve the intended goals.
STUDI PEMANFAATAN TANAMAN PADA KEGIATAN RITUAL (UPAKARA) OLEH UMAT HINDU DI BALI I Ketut Sardiana; I Ketut Kartha Dinata
Bumi Lestari Journal of Environment Vol 10 No 1 (2010)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Ritual is one of basic element on Bali’s Hindu society. Most of the ritual elements are descended from plants which are well known as “ritual plants”. The objective of the present studies are to study plants utilization in Bali’s Hindu ritual activity. The research was conducted through field survey and literature studies, on several villages in Bali in which classified as Bali Age village, Bali Apanege village and new Bali village. The findings showed that utilization of plants in Bali’s Hindu rituals as an actualization of tri hita karana concept, especially in developing harmonization between human and their environment relationships. Approximately two hundred kind of plants which commonly used on Bali Hindu rituals. The plants can be classified within several groups such as : kind of coconuts, bamboos, trees, leaves, flowers, bananas, fruits (pala gantung), yam group (pala bungkah), etc. Now day, many kind of the plants are entirely disappeared, it need a real action program on ritual plants preservation in other to preserve the ritual plants.
PENGOLAHAN LUMPUR (SLUDGE) LIMBAH PENCELUPAN DENGAN CARA KOMPOSTING I.W. Budiarsa Suyasa
Bumi Lestari Journal of Environment Vol 10 No 1 (2010)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Sludge of waste treatment represent main problem of processing chemically because needing special handling. Processing of this mud cost money which quite a lot, at least 50% from expense of processing of waste water needed to to overcome yielded mud, as a result most in Indonesia this direct mud thrown to river or piled up. Treatment of sludge was composting with inoculate microorganism from several of sediment and soil. Phase of seeding was conducted by addition of NPK and other micro-nutrient in 3 L of basin. Growth of microorganism was measured of each every 2 day during one week with measuring value of biomass till reach price 2000 mg / L. Active mud as product inoculated to composting process of organic material with sludge. All active mud result of seed into each place of that is Place of A : active mud of river sediment of Badung, Place of B : active mud of moat sediment, place of C : active mud of fertile land, Place of D : without addition of active mud as control. Change of fastest physical happened at sample with addition of active mud from fertile land. Degradation of rate of C organic and highest total N happened at sample with addition from active mud of moat, while highest available K happened at sample with addition from active mud of fertile land. Rate of N highest total obtained by sample with addition from active mud of River of Badung and from fertile land. Product of composting process were fulfill SNI (19-7030-2004) for the parameter of physical that is temperature, color and odour

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