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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 12 No 2 (2012)" : 23 Documents clear
IDENTIFIKASI CEMARAN LOGAM Pb DAN Cd PADA KANGKUNG YANG DITANAM DI DAERAH KOTA DENPASAR Sri Mulyani; I.G.A Lani Triani; Arief Sujana E.N
Bumi Lestari Journal of Environment Vol 12 No 2 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

The aimed of the research to identify the contamination of Pb and Cd on water spinach (Ipomeasp) planted at Denpasar. Sample population are 41 places area planted of water spinach, atKecamatan Denpasar Selatan 10 places , Denpasar Utara 10 places, Denpasar Timur 13 placesand Denpasar Barat 8 places. Sample has taken from 40% population, 13 areas planted of waterspinach at Denpasar. From Kecamatan Denpasar Barat 3 samples, Kecamatan Denpasar Timur3 samples, Kecamatan Denpasar Selatan 3 samples and 4 samples from Kecamatan DenpasarTimur. Samples taken 1-1.5 kg every area in the morning and identification of Pb and Cd areusing Kohar et. al., method and analyzed with Atomic Absorbsion Spectrophotometer (AAS). The result showed that no contamination of Pb on water spinach planted at Denpasar. Waterspinach has contamination Cd 0-0,00682 mg/kg. The water spinach which planted at KecamatanDenpasar Barat has lowest contamination of Cd, water spinach planted at Denpasar areproper to be consumed.
KAJIAN KESESUAIAN LAHAN UNTUK MENDUKUNG PENGEMBANGAN KOMODITAS PERTANIAN DI WILAYAH PERBATASAN NEGARA REPUBLIK INDONESIA (Studi Kasus di Kabupaten Merauke, Provinsi Papua) Muh. Aris Marfai; Ahmad Cahyadi
Bumi Lestari Journal of Environment Vol 12 No 2 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

This research aims to analyze the land suitability in the national border on Olikobel District, Merauke District, Sota District, and Naukenjarai District which are located in the eastern national border of Indonesia. Land suitability analysis conducted in this research is focused for the rice farming and rubber planting. Using the land unit as the basic of the analysis and the required characteristics of the area for growing the plants, comparison study has been done to match the land condition and its requirement to grow. The result of this research has shown various land suitability for growing the plants. For rubber plant, the best location for growing is located in the Sota and Olikobel District, which area extends of 140,942.5 hectares. Due to the drainage and flooding, several parts of the research area are considered has low suitability to grow the rubber plants. As the results, various classes of land suitability for rubber plants consist of S1, S2b, S2se, S3wf, Nwf dan Nwft are found in the research area. For rice farming, Marauke District is considered has the most suitable area to grow the rice, in which the area extends for 9,948.52 hectares. Drainage and flooding also becomes the limitation factor of the land suitability, causing various classes of land suitability for rice farming, namely: S1, S3w, S3wt, S3ws, S3wse, S3wtse, Nt, Nws dan Nwt. Therefore, proposed method in drainage management area is required. With the improvement in the soil drainage is predicted to increase the extents of most suitable area (S1) to be 147,883.28 hectares.
APLIKASI POLYMERASE CHAIN REACTION-RIBOSOMAL INTERGENIC SPACER ANALYSIS (PCR-RISA) UNTUK MENENTUKAN KERAGAMAN MIKROBA TANAH PADA HABITAT TANAMAN PISANG DENGAN DAN TANPA GEJALA LAYU FUSARIUM I Made Sudarma; Dewa Ngurah Suprapta; I Made Sudana; I Gede Rai Maya Temaja
Bumi Lestari Journal of Environment Vol 12 No 2 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

A major problem in the soil microbiology is 99% soil microbes could not be grown in artificial media; therefore, to describe the true diversity of microbes in the soil must use a molecular approach. The approach was polymerase chain reaction-ribosomal intergenic spacer analysis (PCR-RISA). This method can be used for determining soil microbial DNA profile (the number of DNA bands). The soil samples were collected from three regencies in Bali,  i.e. Karangasem, Klungkung and Jembrana which are the main banana growing area in Bali. Soil sampling was done in two sites in each regency representing the banana habitat with and without Fusarium wilt symptom, by collecting 100 grams of soil surrounding the banana plant at the depth of 20 cm. The result of PCR-RISA showed that DNA profile of the soil microbes in the soil of banana habitat without Fusarium wilt symptom (HN) more than of the soil banana habitat with Fusarium wilt symptom (HF). DNA profiles at HN there were three, each of the indicated 450 bp, 250 bp and <100 bp, whereas in HF were two bands of DNA, each indicated as 250 bp and <100 bp. Based on the number of DNA bands proved that the soil microbial community in the HN is higher than in HF.
ANALISIS KEBERLANJUTAN PROGRAM DAERAH PERLINDUNGAN LAUT DENGAN PENDEKATAN ANALYTIC HIERARCHY PROCESS (AHP) DI KABUPATEN RAJA AMPAT Hamid Hamid
Bumi Lestari Journal of Environment Vol 12 No 2 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

The aims of this research were (1) to assess the sustainability of the marine sanctuary program in the COREMAP site phase II Raja Ampat; and (2) to find out the parameters which affect the sustainability aspects marine sanctuary program in the COREMAP site phase II Raja Ampat. This research had been conducted in Raja Ampat-West Papua by using survey method and respondents determined by purposive sampling method. The collected data had been analyzed by Analytic Hierarchy Process, or AHP. The results indicated that (1) the sustainability of marine sanctuary program in the COREMAP site phase II Raja Ampat will go on, because the strong indications showed that the comprehensive sustainable value were 2,178 (high category), (2) from 22 evaluated villages, 15 villages (68,2%) have sustainability value by high category and 7 villages (31,8 %) have sustainability value by moderate category (i.e: Villages of Saonek, Yenbeser, Kurkapa, Bianci, Selpele, Yensawai, and Arefi).
PEMANFAATAN LIMBAH LUMPUR PENGOLAHAN AIR SEBAGAI BAHAN PEMBUATAN BATU BATA Andy Mizwar; Siti Rizki Amalia
Bumi Lestari Journal of Environment Vol 12 No 2 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Bricks manufactured from water treatment sludge were investigated on clay mixing and1000ÚC firing temperature. Results of tests indicated that the sludge proportion were thekey factor determining the brick quality. Increasing the sludge content results in an increaseof brick water absorption and a decrease of brick shrinkage, compressive strength, anddensity. With up to 10% sludge added to the bricks, all of testing parameter met therequirements of the Indonesian National Standards (SNI 15-2094-2000). Toxic characteristicleaching procedure (TCLP) tests of brick also showed that the metal leaching level is lowand met the requirements of Indonesian government regulations (PP No. 85 Tahun 1999).
PEMANFAATAN NEMATODA PATOGEN Steinernema spp. Isolat Malang Dan Nusa Tenggara Barat DALAM PENGENDALIAN Spodoptera litura L. YANG RAMAH LINGKUNGAN Heri Prabowo
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 conducted at Laboratory of Insect Pathology, Indonesian Tobacco and FiberCrops Research Institute, Malang. Research was conducted from July-August 2009. Isolatesof Steinernema spp. used is a collection of Insect Pathology Laboratory. Research arrangedin a Completely Randomized Design (CRD) with repeated 4 times. The research was conductedby using 4 concentrations of 0, 100, 200, and 300 IJ / ml. Each concentration was tested on 25insects. Observation of dead insects after 24 to 96 hours after infestation. Parameter larvalweight was observed 96 hours after treatment. Steinernema spp. West Nusa Tenggara andMalang isolates capable of causing mortality S.litura instar two ranges 4-78% for 96 hoursafter treatment. With the increasing concentration of Steinernema spp. given will increase themortality of S. litura. Provision of Steinernema spp. at various concentrations capable inhibitthe weight of larvae. Steinernema spp. has potential to be developed as bioinsecticide.
DESAIN KORIDOR VEGETASI UNTUK MENDUKUNG NILAI KONSERVASI DI KAWASAN PERKEBUNAN KELAPA SAWIT Danang Wahyu Purnomo
Bumi Lestari Journal of Environment Vol 12 No 2 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Habitat fragmentation causes genetic isolation that would reduce biodiversity in the forest. PT Swakarsa Group has a 12 blocks of conservation area which are separated by the palm oil plantations. Each of conservation has a variety of environmental characteristics. Strategies to cope the impact of habitat fragmentation on this plantation are habitat corridors development. This study aims to design of vegetation corridors to support the conservation value in the palm ??oil plantations. Vegetations were observed by nested sampling system, plot 20mx20m (for trees) and 2mx2m plot (shrubs) were placed along transects. Conservation value was measured based on the conservation status of bird species and frequency of attendance. Bird assemblages were estimated by point counts. Corridor design was determined based on the USDA NRCS, while the vegetation compositions were determined under the provisions of MacGowan. There were two types of corridors that can be applied in the plantation areas; remnant corridors and introduction corridors. There were two main locations that need to be created corridors to enhance biodiversity conservation in the PT Swakarsa Group. Block VI and Block VIII were the core conservation area where contained more genetic resources need to be linked to other blocks. Remnant corridors could be built in the area along the river and banks of ponds. While introduction corridors were recommended to place on the edge of the road.
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.
PENILAIAN DAMPAK BIODIVERSITAS LAUT (KASUS GUGUS PULAU BATUDAKA PROVINSI SULAWESI TENGAH) Dwi Sulistiawati; Luky Adrianto; Ismudi Muchsin; Abdul Masyahoro
Bumi Lestari Journal of Environment Vol 12 No 2 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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The need better understand the linkages and interdependencies of socio-economic and coastal environmental dynamics has taken on a more deliberate role in the development and assessment of Integrated Coastal Management on Batudaka islands. The DPSIR (drivers- pressures - states - impacts - responses) framework was used in scoping biodiversity management issues and problems. DPSIR model is to analyze the causative factors of pressure on the ecosystem of small islands and recommendations for environmental restoration effort. Results of the study showed that population and economic (tourism and fisheries demand) driving forces causing ecosystem vulnerable.  Land conversions, domestic waste, other pollutant was pressured this area, while increasing driving forces. The State environmental as waters quality is still relative well for tourisms and fisheries activity, physical impact as abrasion and sedimentation, habitat loss and biodiversity changes at 2000 until 2010 year at Batudaka Islands increase life coral and mangrove, decrease seagrass. Impact to environment  i.e. water abstraction,  sediment water fluxes across  coastal zones, change of habitats and biological diversity can be caused decreasing of coastal ecosystem. Functional diversity can be defined as a variety of different responses to environmental change, in particular the variety of spatial and temporal scales with which organisms reach to each other and to the environment. The policy objective of maximum
REPRESENTASI GAMBARAN ALAM PADA PERWUJUDAN ARSITEKTUR PADMASANA DI BALI I Nyoman Widya Paramadhyaksa
Bumi Lestari Journal of Environment Vol 12 No 2 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

The padmasana shrine is one of the main holy structures of Balinese Hindu. This shrine hasvarious ornaments, decorative elements and other forms that have symbolic meanings. Thesymbolic contents in padmasana have close relation with mythology and the concepts ofHindu teaching. Beside that, the concepts of architectural representation of padmasana alsohave a correlation with the nature representation of the earth. This article discusses about therepresentation of padmasana shrine as the symbol of mountain and the representation ofnature on earth.

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