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Abd. Rahman As-syakur
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Pusat Penelitian Lingkungan Hidup (PPLH) Universitas Udayana Gedung Laboratorium Universitas Udayana, Lt 4. Jln. PB. Sudirman Denpasar, Bali-INDONESIA Telp./Fax. (+62 361) 261 182
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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
HUBUNGAN ANTARA DISTRIBUSI FITOPLANKTON DENGAN KUALITAS PERAIRAN DI SELAT ALAS, KABUPATEN SUMBAWA, NUSA TENGGARA BARAT I Nyoman Radiarta
Bumi Lestari Journal of Environment Vol 13 No 2 (2013)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

AbstractPlankton (phytoplankton and zooplankton) has an essential factor for aquatic ecosystem,because plankton is a primary food source for aquatic animals. This study was carried outin the Alas Strait, Sumbawa Regency on May 2012. Based on the data collected from 32stations, phytoplankton distributions (abundance and ecology indexes), water qualitycondition, and relationship between them were examined. Phytoplankton identificationresults show that a total of 25 species was found, and that species were classified into sevenclasses. Bacillariophyceae (diatom) was the dominant class found in the study area. Pearsoncorrelation indicated that water temperature, transparency, salinity, nitrate, and phosphatewere the parameters significantly affected on phytoplankton distribution and abundance.The results from this study could contribute on the development marine aquaculture in thisregion in term of pearl aquaculture development.
FAKTOR EKSPLOITASI DAN KUANTIFIKASI LIMBAH KAYU DALAM RANGKA PENINGKATAN EFISIENSI PEMANENAN HUTAN ALAM Juang Rata Matangaran
Bumi Lestari Journal of Environment Vol 13 No 2 (2013)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

AbstractThe objectives of the research were to find out the exploitation factor and quantify oflogging residue from forest harvesting operation. Logging residue is defined as stump,trimming from stem, trimming from upper stem and branches which has 30 cm as minimumdiameter and 4 meter of minimum length. Data was collected from two forest company, inCentral Kalimantan and West Sumatera. Data were measured at 10 sample plots in each 1hectare at those both location. Result of the study showed that logging residue occurred atthe harvested site, landing site and at the logyard. Logging residue in each hectare atCentral Kalimantan more than West Sumatera but in each tree quantity of logging residuewas nearly same at both location.The percentage of logging residue at Central Kalimantanwas 33,8%, and at the West Sumatera was 30,4 %. Exploitation factor of logging operationwas 0,75 at West Sumatera and 0,74 at Central Kalimantan. This number indicated that therecovery rate of forest harvesting operation was about 75 % at those both forest companies.
DEGRADASI LIMBAH TEKSTIL MENGGUNAKAN JAMUR LAPUK PUTIH Daedaleopsis eff. confragosa Ngurah Mahendra Dinatha
Bumi Lestari Journal of Environment Vol 13 No 2 (2013)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

AbstractThe objectives of this research are to determine the optimum conditions (pH, concentrationof fungi, and incubation period) of degradation of textile dyeing waste using Daedaleopsiseff. confragosa and to determine the quality of the processed waste based on the parametersof chemical oxygen demand (COD), biological oxygen demand (BOD), total suspendedsolids (TSS), pH, and its color. The fungi was collected from a plantation areal in Negara,Bali and the untreated waste itself was also collected from a home textile dyeing industry inNegara, Bali. After rejuvenation process of the fungi, the optimum conditions were obtainedby collecting the COD data at various pH (4 - 10) and concentration of fungi (3% - 9%).Wefound that the degradation will be optimally progressing at pH 4 and fungi concentrationof 6%. Finally, the optimum period of degradation was determined by varying the incubationday from 0 - 12 days at optimum conditions. The optimum incubation period was 9 days. Thetreatment of the dyeing waste with fungi can decrease the level of the color, TSS, COD andBOD5 up to 81.05%, 70.21%, 85.17%, and 74.09% respectively.

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