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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 1 (2013)" : 23 Documents clear
PENGELOLAAN HUTAN KOTA BERKELANJUTAN: TINJAUAN ASPEK TEKNIS, ALAM DAN SOSIAL (Studi di Hutan Kota Srengseng dan Hutan Kota Universitas Indonesia) D. K. Sukarta
Bumi Lestari Journal of Environment Vol 13 No 1 (2013)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

AbstractThis study was conducted at Srengseng Urban Forest and Universitas Indonesia UrbanForest, to indentify the structure of the urban forest, its effectiveness in lowering citytemperatures, and to predict the people behavior towards urban forest using the thoery ofplanned behavior. The approach which is used in this study is aquantitative approach andis also supported by qualitative data. The method which is used is observasional fieldstudy and data collected by closed questionnaires and interview techniques. Our studyobserves a total of 24sample plots, consisting of 4 plots examples in SrengsengUrban Forestand 20 sample plotsin Universitas Indonesia Urban Forest. The number of respondents intotal90 people, comprised of 47 respondents in Srengseng Urban Forest and 43 respondentsin Universitas Indonesia Urban Forest. Vegetation analysis implementedby observing thecondition of the stands includes plant species,diameter, and height of plants ranging fromseedling stotrees. It’s continued by an analysis of the diversity, distribution, and dominanceof vegetation using theShannon diversity index, dominance index, and the important valueindex. The results of the vegetation analysis shows that Universitas Indonesia UrbanForest has a higher diversity of vegetation t han in Srengseng Urban Forest. The relationshipbetween the technical aspects which is density and the natural aspects which are thetemperature showed that temperature is related to density. The analysis of the socialaspects describe that respondents have a good perception of the urban forest although thebehavior seems inconsistent withhis perception. Statistical test results showed that thebehavior of the respondents are influenced by subjective norms that existin their community.
KAJIAN JENIS DAN KELIMPAHAN REKRUTMEN KARANG DI PESISIR DESA KALIBUKBUK, SINGARAJA, BALI I Nyoman Dodik Prasetia
Bumi Lestari Journal of Environment Vol 13 No 1 (2013)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

AbstractKalibubuk coastal area is one nautical tourism destination in Buleleng regency. Higherlevels used zone in coastal area especially coral reef ecosystem is not balanced with thestudy of the potential and carrying capacity of the environment, especially coral reefs.Coral settlement times to substrate is a critical phase that will determine the success ofcoral sexual reproduction. Success in forming coral reefs will determine the sustainabilityof coral reef ecosystems. The study was conducted in March and October 2011, aims todetermine the pattern of spread of juvenile corals, species, abundance and survival ofjuvenile coral patterns and the physical, chemical, and biological factor. The study wasconducted at a depth of 5 meters with 3 shelves on each research station research. A rackconsists of 24 pieces of substrate with 4 different positions against the current. Juvenilecorals were found to be composed of nine species of coral and 109 individuals. Juvenilecorals are found at all stations in the study with the largest number of Station 3 as many as59 individuals. Physical, chemical, and biological factor in Kalibukbuk relatively stillsupport the growth and development of juvenile coral into coral colonies.
PECALANG SEGARA: SATUAN TUGAS KEAMANAN TRADISIONAL PENJAGA KELESTARIAN LINGKUNGAN PANTAI DAN LAUT: STUDI KASUS DI DESA PAKRAMAN PEMUTERAN, GROKGAK, BULELENG, BALI Anantawikrama Tungga Atmadja
Bumi Lestari Journal of Environment Vol 13 No 1 (2013)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

AbstractThis article is about background of founding pecalang segara (seashore security) and itsrole in preserving the beach and sea environment in Desa Pakraman Pemuteran, Grokgak,Buleleng, Bali. The disccusion of this problem is done through field research, usingqualitative approach that is based on critical social theory. Result of this research showsthat local community preserve their ocean because of ideology, ecology, economy, andsociology reason. The role of pecalang segara is very important, such restoration and coralcultivation, control and giving sanction toward crime on seashore and ocean ecosystem.This activity needs cooperation with any party, namely desa pakraman, desa dinas, hotelowner, local government, NGO, etc.
TEKNIK KONSERVASI TANAH LAHAN KERING UNTUK MENGATASI DEGRADASI LAHAN PADA DESA MOJOREJO, LAMONGAN Deddy Erfandi
Bumi Lestari Journal of Environment Vol 13 No 1 (2013)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

AbstractSoil conservation is one important aspect in supporting food security program. It is necessary tocreate an area that has a sustainable environment. Mojorejo Village, District Modo, Lamongan,East Java, has an area of ± 1,406 ha. Most of the area is dry land agro-ecosystem includingupland lowland dry climate. Topography is undulating to hilly with deep and rocky limestonesolum. In creating a sustainable environment, research has been conducted in the village onsystem conditions of dryland soil conservation techniques to address land degradation. Thestudy aims to look at the soil conservation and soil conservation technologies recommended insitu, in order to address land degradation. Observations suitability for some commodities showthat land can be developed for agricultural commodities in the village square Mojorejo 878.02ha (92.56%), while the remaining area of 70.54 ha (7.22 %) could not be developed foragriculture because of the form settlement and land biophysical conditions do not allow. Thereis a potential source of water to irrigate rice fields allowed. On mixed farms that have slopes of8-15%, the maximum proportion of annual crops is 50 % with a permanent stone terracing,while mixed farms on the slopes of 15-25%, the maximum proportion of annual crops is 30% witha permanent stone bench terraces.
POTENSI BRASSICA NAPUS SEBAGAI SUMBER BIODIESEL DI INDONESIA Ida Ayu Astarini
Bumi Lestari Journal of Environment Vol 13 No 1 (2013)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

AbstractSeven Brassica napus cultivars were field tested to find out their adaptability andproductivity in tropical dry land environment. The aim of this research is to identifypotentially high oil yielding and agronomically stable Brassica napus genotypes as a newsource of biodiesel in Indonesia. Crop evaluation includes germination rate, plant height,number of leaves and stomata, flowering time, harvesting time, seed yield and oil content.Oil extraction using ’cold pressing’ technique were trialed. Results show that all genotypeshave good adaptability, therefore can be an alternative for biodiesel sources in Indonesia.Variation occurs on plant height, number of leaves, flowering time, seed set and oil content.‘‘Tanami’’, ‘‘Trigold’’ and ‘‘Trilogy’’ has similar performance, short plants, high pod set andearly flowering, while other cultivars have vigorous, tall plant habit but lower seed set.Some cultivars have an early flowering type while others has intermediate or late flowering.Pod set was excellence; however, seed set was low due to pest attack, namely Diamondbackmoth. Oil content of the seeds ranging from 2.6 to 11 %. In conclusion, B. napus areadaptable in dry land environment. Further study is needed to maximize seed productionand oil content.
PEMODELAN SISTEM USAHATANI TERINTEGRASI UNTUK MENDUKUNG PERTANIAN BERKELANJUTAN I Wayan Budiasa
Bumi Lestari Journal of Environment Vol 13 No 1 (2013)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

AbstractThe objective of this study is to develop the optimal solution model for food productiontechnology of integrated farming system (SIMANTRI) to support sustainable agriculture inBali. Primary data under survey method towards 20 farmers of the SIMANTRI 068 in BulelengRegency and secondary data from appropriate sources were used to specify parameters ofthe model. Linear programming approach was used to analyze constrained optimizationproblem of the model by using BLPX88 package program. A small farming system with farmscale of 0.58 hectare, which integrates food and horticulture crops and bali cattle, wasoptimally operated by farmer. It is indicated by optimal solution of the model which conformsto observed behavior. The maximum farming system’ income that was generated from theoptimal model was Rp21,658,160 per annum. The integrated farming system (SIMANTRI068) is potentially sustainable since it can fulfil sustainability criteria: economically viable,environmentally sound, socially acceptable, technically and culturally appropriate.
KONSTRUKSI GARUK UNTUK KELESTARIAN SUMBERDAYA KERANG Gondo Puspito
Bumi Lestari Journal of Environment Vol 13 No 1 (2013)
Publisher : Environmental Research Center (PPLH) of Udayana University

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AbstractDredge is known as cockle collector which is not selective to the shell size and its operationdamages the cockle’s resources. The objectives of this research were to obtain better dredgeconstruction which was more productive and selective to the cockle size. The end of theteeth was bent 30o to increase number of the catch. Separator was used to make the dredgebecome more selective for the shell size. In this research, gap between separator grids wasadjusted to economical size of cockle Anadara granosa, which was 40 mm long of shell.Results showed that dredge with 30o bended teeth caught 919 cockles, or 2.18 times morethan standard teeth of dredge (412 cockles). The using of separator made dredge becamemore selective. It only retained cockle Anadara granosa and Anadara antiquata with lengthof shell l e” 39.96 mm and l e” 35.11 mm.
MENCERMATI AKTIVITAS NGAWEN DI JEMBRANA DARI PERSPEKTIF EKOFENIMISME Ni Made Wiasti
Bumi Lestari Journal of Environment Vol 13 No 1 (2013)
Publisher : Environmental Research Center (PPLH) of Udayana University

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AbstractEncroachment of protected forest known as ngawen in Jembrana is a violation against theforestry laws, potentially harming the forests and infringing the basic idea of feminism. Inthat respect, this paper is going to examine the strategies and implications of the activity inthe perspective of ecofeminism. In perspective of ecofeminism, it is obvious that ngawenactivity is carried out with a strategy reflecting the anthropocentrism and androcentrism.On the one hand, it implicates the increasingly severe destruction of protected forest; whileon the other hand, it implies a less equitable gender relation in the domestic socio-economicaspect of the pengawens’ household.
PENURUNAN KADAR MINYAK DAN COD AIR LIMBAH OPERASIONAL PEMBANGKIT LISTRIK DENGAN FLOTASI DAN LUMPUR AKTIF I Wayan Budiarsa Suyasa
Bumi Lestari Journal of Environment Vol 13 No 1 (2013)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

AbstractResearch about treatment of waste water power plant operation of PT Indonesia Power atDenpasar with the flotation and activated sludge method has been carried out. The objectiveof research is determine optimum treatment time in flotation and activated sludge todecrease oil and COD content of wastewater. In the flotation stage, 8 liters of waste waterpower plant operation of PT Indonesia Power aerated by aerators for 60 minutes. After theflotation treatment waste water treated by activated sludge method for 24 hours. Theresults of research showed that the time of treatment in the 60th minute the flotation processcapable to reduce the oil contents reach 450 mg/L with the treatment effectiveness of 97,92%.At the time of treatment in the 24 hours, the activated sludge process has been able toreduce the oil content reach 0 mg/L with treatment effectiveness is 100% and reduce CODvalue reach 27,63 mg/L with the treatment effectiveness of 70,59%. Oil content and CODvalue obtained from are effluent of flotation and activated sludge below Class III WaterQuality according to PerGub Bali Number 8 in 2007 (1 mg/L and 50 mg/L respectively).
STUDI EMISI CO2AKIBAT KEBAKARAN HUTAN DI PROVINSI RIAU (STUDI KASUS DI KABUPATEN SIAK) A.Z. Nasution
Bumi Lestari Journal of Environment Vol 13 No 1 (2013)
Publisher : Environmental Research Center (PPLH) of Udayana University

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AbstractThis research was aimed to analyze the CO2emissions due to forest fires that occurred inSiak Regency, Riau Province Indonesia in 2010 and to analyze the probability of forest fireoccurrence in Siak Regency using the available data. Fire and CO2 emissions in the area ofplantation forests are greater than in the area of natural forests. The amount of CO2emissionsdue to forest fires in 2010 varied between 107.260 Ton CO2 yr-1 in natural forests and151.600 Ton CO2 yr-1 in plantation forests. The amount of CO2emissions due to forest fires inthe peat land was 2.176 Ton CO2 yr-1. This value is mainly depending on the extent of theburned area in the year of 2010. Results of the logistic regression show the forest fires aremore likely to occur in degraded forests.

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