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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 445 Documents
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USAHA-USAHA PELESTARIAN LINGKUNGAN HIDUP PADA MASYARAKAT BALI KUNO BERDASARKAN REKAMAN PRASASTI I Ketut Setiawan
Bumi Lestari Journal of Environment Vol 11 No 2 (2011)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

This study, which is entitled “the attempts done by the old Balinese people to preserve environment’ describes the activities done by the old Balinese people on usual and particular days. As recorded in some epigraphs, preserving environment was one of the activities done. The data obtained from the epigraph, as far as this study is concerned, are classified as the primary data which are supported by the secondary data obtained from relevant studies. Then the data were analyzed, interpreted and synthesized, using inductive and deductive methods. Historical, sociological and archaeological approaches were used to sharpen the analysis and the interpretations made. The results of the analysis show that the people living in the old Bali era voluntarily attempted to preserve their environment to improve their welfare and comfort.
PENDEKATAN KOLABORATIF DALAM PENGELOLAAN DAERAH ALIRAN SUNGAI CITARUM Sam’un Jaja Raharja
Bumi Lestari Journal of Environment Vol 10 No 2 (2010)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Untintegrated management and complicated factors lead to problem in Citarum watershed management. The main problems of the research are the management of Citarum’s watershed has been fragmented and conflict among stakeholders. There is need a new concept and approach for managing Citarum watershed so that management of Citarum Watershed more effective. The base proposition of research is Citarum watershed management requires a concept about cooperation among stakeholders than can settle the conflict among them as consequence of fragmented-sectoral management. Based on research analysis, this research formulated some finding. Citarum watershed management are independent, it caused the absence of an institution which functions as leader. Relationship among organizations is ill-structured, caused by overlapping role and function among them. The most appropriate collaboration model for Citarum Watershed management is interdependent model. Research recommendation to rearrangement core task and function of organization base in term collaborative governance.
PENGARUH KONSENTRASI DAN WAKTU INKUBASI EM4 TERHADAP KUALITAS KIMIA KOMPOS R. Siburian
Bumi Lestari Journal of Environment Vol 8 No 1 (2008)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

The effects of consentrations and incubations periods EM4 on the chemical quality of compost have been done. The aim of the research was to study the effects of consentrations and incubations periods on the content of N, P, and K. The methods were analysed by using titration, spectrofotometry UV-VIS and flame phototmetry. The result of the research was analysed by group randomized design with two factors. The result of the research showed that the consentrations and incubation periods had the significant effect on the content of N, P, and K and the interaction between consentrations and incubation periods of EM4 the quality of compost. The optimal condition to content N, P, and K of compost to consentrations and incubation periods is 2,5% and 20 days, 25% and 20 days; 25% and 35 days respectively
ADAPTASI BERBAGAI VARIETAS JAGUNG DENGAN DENSITAS BERBEDA PADA AKHIR MUSIM HUJAN DI JIMBARAN KABUPATEN BADUNG I Gusti Ayu Mas Sri Agung
Bumi Lestari Journal of Environment Vol 9 No 2 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

The experiment was conducted in the field at dryland farming areas at Cengiling village, Jimbaran, district of South Kuta, Badung (50 m asl), from 9 March until 3 June 2008. The objective of the experiment was to study the effects of plant population on grain yield, and forage production of corn varieties, plantedat the end of rainiy season. A randomized complete block design was used in this experiment, in which treatments were arranged factorially. The treatments were plant population (71,428; 142,857; 214,284 and 285,712 plants ha-1 or one, two, three and four plants hole -1), and corn varieties (BISI-2, CPI-2, Srikandi Putih and Local Bukit). All treatments were replicated three times. Results of the experiment indicated that interaction effects between plant population and variety were significant on grain yield and straw quality of corn. Variety of Local Bukit at population of 285,712 plants ha-1 resulted in the highest grain yield at 12% moisture (9.39 t ha-1), and grain oven dry weight (6.28 t ha-1). ). That variety at that population gave higher forage crude protein (7.66%) than that given by variety CPI-2 but was not significantly different from that given by BISI-2 and Srikandi P. The variety of Local Bukit at that population also resulted in lower forage crude fiber (18.16%) than the value given by the other varieties. The highest population resulted in the highest fresh and oven dry weights (22.76 dan 14.36 t ha-1) of forage. Variety of Local Bukit and BISI-2 gave higher (12.39 and 14.01 t ha-1) oven dry weights than the other varieties. In this experiment the optimum plant population for maximum grain yield and quality of forage for each corn varieties had not been obtained.
PENGARUH RASIO C/N AWAL DAN LAJU AERASI PADA PROSES CO-COMPOSTING BLOTONG DAN ABU KETEL Andes Ismayana; Nastiti Siswi Indrasti; Niza Erica
Bumi Lestari Journal of Environment Vol 14 No 1 (2014)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Co-composting was the composting process uses two or more raw materials to improve the optimization process and material benefits. The purpose of this study was to determine the influence of the initial C/N value ratio and the active aeration usage of the co-composting process of filter cake and boiler ash of cane sugar industry. Co-composting  was done in the aeration pile reactor with 5 kg of mixed material,and uused two factor; initial C/N ratio and aeration. The treatment of  C/N ratio was begun at 30, 40, and 50 from formulation filtercake and boiler ash.   Active aeration was given at 0.4 and 1.2 l /minutes.kg materials that carried out for 1 hour per day  on the first week. From this observation, known that the aeration distiction at 0.4 and 1.2 l /minutes.kg materials does not effect the C/N ratio of  compost.  In the other hand,  the treatment of initial C/N ratio at 30 and 40 was significantly affected with initial C/N ratio at 50 compared by final  C/N value of the compost. Initial C /N ratio at 50 requested the final  C / N ratio of compost at 19-20 that was higher than the treatment of  intial C/N ratio at 30 and 40 which had final C/N ratio at 13-15 and 12-17, respectively.
Daya Dukung Padang Lamun Di Kawasan Wisata Pulau Pari, Kepulauan Seribu Christon Christon; Noverita Dian Takarina; Hayati Sari Hasibuan
Bumi Lestari Journal of Environment Vol 18 No 2 (2018)
Publisher : Environmental Research Center (PPLH) of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/blje.2018.v18.i02.p03

Abstract

This research was conducted using carrying capacity analysis method. The purpose of this research was to analyze the seagrass condition and the carrying capacity of seagrass tourism development in Pari Island. Quantitative method is used to reach the research purpose. The result showed that seagrass species found were Halodule ophalis, Cymodocea rottundata, Enhalus acoroides, dan Thalassia hemprichii. Seagrass’ coverage and density at Bintang Beach were recorded as 59.83% and 76 ind/m2 respectively, 47.56% and 54 ind/m2 at Kresek Beach, and 16.61% and 9 ind/m2 at Pasir Perawan Beach. Diversity index of seagrass in Pari Island was 1,199, categorized as moderate condition. The carrying capacity score for seagrass as tourism object in Pari Island in ecological aspect were 94 tourists/day for Bintang Beach, 59 tourists/day for Kresek Beach, and 58 tourists/day for Pasir Perawan Beach. Based on social aspect, local people of Pari Island were mostly welcome the tourists, and the tourists were quite not satisfied with the tourism objects. In economic aspect, tourism activities increase local peoples’ income.
KOMPETENSI PETANI JAGUNG DALAM BERUSAHATANI DI LAHAN GAMBUT (KASUS PETANI JAGUNG DI LAHAN GAMBUT DI DESA LIMBUNG KABUPATEN PONTIANAK KALIMANTAN BARAT) Malta Malta
Bumi Lestari Journal of Environment Vol 11 No 2 (2011)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Agricultural development is a series of efforts to increase farmers’ income, to create employment, to alleviate poverty, to assure food security, and to encourage regional economic development. By increasing agricultural products, it is hoped that farmers will be able to improve their income. In line with this effort, the quality of human resources in the field of agriculture is one of the essential factors in increasing agricultural products. The aims of this study were (1) to learn the competency level of corn farmers in peatlands, and (2) to identify the farmers characteristics related to the competency of corn farmers in peatlands. The research method used was descriptive-corelational. The research population consisted of 38 corn farmers in peatlands at Limbung village in Pontianak district, while the data collection was conducted on census basis from the 38 farmers. The data collection was carried out from August until September 2007. The analysis of the data was performed by using the correlation test of Rank Spearman. The research results showed that (1) the competency of corn farmers was of average level, (2) the competency was closely related to the age, formal education, and experience.
TOKSISITAS AKUT (LC50) SERBUK BOR (Cuttings) TERHADAP Daphnia sp. Hefni Effendi; Aditya Herry Emawan; Yusli Wardiatno; Majariana Krisanti
Bumi Lestari Journal of Environment Vol 12 No 2 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Research was aimed at determining toxicity of drilling cuttings towards Daphnia, revealed in LC50 96 hours, meaning that cuttings concentration cause 50% population of Daphnia within the period of 96 hour observation. LC50 96 hour is utilized for preliminary strategy of managing drilling cuttings. Static test was applied at the main bioassay experiment.  Mortality was as an indicator of toxicity.  Bioassay experiment refers to US-EPA (1991, 1996, 2002); Ziehl and Schmitt (2000).  Mortality and water quality fluctuation were observed at hours 2, 4, 6, 8, 24, 48, 72, and 96. Determination of LC50 96 hour was carried out by the method of Probit Analysis.  Manual count and software EPA Probit Analysis Version 1.5 were applied. LC50 96 hours cuttings towards Daphnia is 22.177 - 22,208 ppm.  This indicates that cuttings has almost non-toxic characteristic.  However, disposal of these cuttings needs oil content measurement.  If oil content meets regulation (? 10%), cuttings is allowed to be discharged to the surrounding terrestrial environment.
MERUMUSKAN PRINSIP-PRINSIP DAN KRITERIA EKOWISATA DAERAH BALI Anak Agung Gde Raka Dalem
Bumi Lestari Journal of Environment Vol 4 No 2
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Principles and criteria of ecotourism were set by running a workshop on ecotourism trainingin Sanur, Bali, between September 3-5, 2002, involving participants from a wide range ofbackgrounds: government, tourism industry, academics, and NGOs. The workshop was aimed to setup the principles and criteria which is suitable for Bali. Principles of ecotourism as output of theworkshops are as follows: (1) Have a concern, commitment, and responsibility to conservation ofnature and culture; (2) Provide an interpretation which make tourists possible to enjoy nature andfoster their interest on conserving nature; (3) Continuously provide contribution to local communityas well as empowering local community; (4) Sensitive and respect to local socio-culture and localreligious tradition; (5) Abide to law or regulations; (6) Its development must be based on consultationand approved by local community; (7) Continuously provide satisfaction to the costumers/tourists; (8)Honestly and accurately marketed and promoted, so meets tourist’s expectation (responsiblemarketing); (9) Apply harmonious and balanced management based on the Tri Hita Karana concept.Criteria of ecotourism were then formulated based on those principles.
KESESUAIAN LAHAN UNTUK JENIS CENDANA (SANTALUM ALBUM LINN.) DI KABUPATEN ALOR PROVINSI NUSA TENGGARA TIMUR Hery Kurniawan; Sumardi Sumardi; Eko Pujiono
Bumi Lestari Journal of Environment Vol 15 No 1 (2015)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Cendana (Santalum album L.) is an indigenous species of east nusa tenggara (Nusa TenggaraTimor/NTT) which has high economies value. The existency of this species in nature hasalmost extinct due to uncontrolled exploitation. It needs conservation and developmentefforts. The efforts needs data of land suitability endorsement to support the success ofplantation. This research was aimed to set land suitability digital map for cultivatingcendana as guidance in making plan cendana plantation in Alor Regency. The researchused land suitability analysis method  by field survey. Purposive sample was determinedbased on land variation by land cover and type of soil. The result showed the large of landsuitability 2 is the largest with 126.810,73 Ha, followed by land suitability 1 with 58.893,2Ha large of area, then land suitability 4 with 20.011,41 Ha, and land suitability 3 with5.664,58 Ha large of area.

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