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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 22 Documents
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Search results for , issue "Vol 12 No 1 (2012)" : 22 Documents clear
KAJIAN AKIFER DI KECAMATAN DENPASAR BARAT PROVINSI BALI R. Suyarto
Bumi Lestari Journal of Environment Vol 12 No 1 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Denpasar city which is the center of the development requires a quite a lot of water. Intensively the taking of groundwater can lead to changes in soil structure or water cycle and environmental damage. The aims of this study are to examine aquifer as a water carrier layer that that spread laterally and vertically. Aquifer analysis performed by analysis of aquifer parameters from well bore data. West Denpasar District is a centralized location of underground water flow to the sea, because of this the region has a high potential for groundwater discharge which values >10 liters/second. Generally, augmentation of ground water from rainfall that is equal to 1.528 liters/second. Data from well bore indicate good water carrier layers (tuffs, sand, gravel) are at more than 20 m depths, there is free ground water from a depth of 12 m but with a small discharge. After 20 m depth, there is a new semi-free aquifer until more than 24 m depths. Well bore in the Mahendradata Street showed groundwater discharge is moderate with value 8.467 liters/second. In this well bore two types Aquifer types was found there are unconfined aquifer and Semi-confined aquifer. Unconfined aquifer located on the surface of the rock layers. Therefore, Semi-confined aquifer is more dominant because the layers are rare waterproof that located in Palasari formation layer. The aquifer layer was also found in the relative position of more than 30 m from the local surface.
KERAGAMAN AKTIVITAS ANTIFUNGI BIOTA LAUT TERHADAP Fusarium oxysporum f.sp. vanillae, PENYEBAB BUSUK BATANG VANILI I Ketut Suada
Bumi Lestari Journal of Environment Vol 12 No 1 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

The diversity of marine biota resources is very high, therefore it is necessary to be recovered for our life need. The objective of this research is to know the antifungal ability of marine biota derived from Bali Island against Fusarium oxysporum f. sp. vanillae. Samples were collected at the intertidal zone of seven beaches around Bali. Extraction of antifungal substance of raw material extract was conducted using various organic solvents until the best ability was obtained. The dry material extract was then screened using well diffusion method. The method was also used to determine the inhibition indicators to Fusarium. The methanolic extract of Aglaophenia sp. marine animal was able to suppress the Fusarium effectively, with minimum inhibition concentration (MIC) of 0.05%. The extract inhibited the colony growth, total of conidial forming, total of growing colony, total of mycelial dry weight, total of mycelial protein, however, increased fusaric acid production of the pathogen.
JENIS DAN KEANEKARAGAMAN FITOPLANKTON DI WADUK PLTA KOTO PANJANG, KAMPAR, RIAU Madju Siagian
Bumi Lestari Journal of Environment Vol 12 No 1 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

A study on the type and phytoplankton diversity in the Koto Panjang Dam, Kampar, Riau , was conducted on May-October 2009. There were 6 stations, in the Batu Basurat, Koto Tuo , Tanjung Alai, Batang Mangat and Rantau Berangin villages and in the river mouth of the Kampar River. Parameters measured were water quality in general and phytoplankton diversity. In each station, water and phytoplankton samples were taken in the surface, 2.5 secchi depth and in the bottom of the dam. Sampling was conducted once/ month. Types, abundance and diversity of phytoplankton were analyzed. Results shown that there were 17 species of phytoplankton that were belonged to 4 classes, namely Bacillariophyta (6 species), Chlorophyta (5 species), Crysophyta (3 species) and Cyanophyta ( 3 species). There were no dominant species in the research area, good diversity index (2.13-2.71) and high similarity index (0.81-0.94). Based on data obtained, it can be concluded the water quality in the Koto Panjang Dam is suitable for supporting the life of phytoplankton.
THE INFLUENCE OF LOCAL TRAFFIC ON NOISE LEVEL (CASE STUDY: BYPASS NGURAH RAI AND SUNSET ROAD, BALI) D.M Priyantha Wedagama
Bumi Lestari Journal of Environment Vol 12 No 1 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Studi ini meneliti pengaruh faktor-faktor lalu lintas lokal terhadap tingkat kebisingan di jalan arteri di Bali dengan studi kasus jalan Bypass I Gusti Ngurah Rai dan Sunset Road. Model regresi sederhana dan regresi berganda disusun dengan variabel-variabel volume dan kecepatan lalu lintas serta nilai kebisingan yang diperoleh dari hasil pengukuran tingkat kebisingan di kedua jalan arteri tersebut. Model yang disusun terdiri dari 1 variabel tidak bebas dan 8 variabel bebas menggunakan perangkat lunak SPSS versi 15. Hasil studi ini menyimpulkan bahwa volume lalu lintas dari sepeda motor dan jarak pengamatan kebisingan dari garis tengah jalan terdekat sangat berpengaruh terhadap tingkat kebisingan. Volume sepeda motor berpengaruh sebesar 26.7% terhadap tingkat kebisingan dan gabungan volume sepeda motor dan jarak pengamatan kebisingan dari garis tengah jalan terdekat berpengaruh sebesar 46.9% terhadap tingkat kebisingan. Semakin besar volume lalu lintas dari sepeda motor semakin tinggi pula tingkat kebisingan. Kebijakan di bidang transportasi seperti pengurangan jumlah sepeda motor di jalan raya dan pada saat yang bersamaan memperbaiki kualitas angkutan umum merupakan alternatif untuk mengurangi tingkat kebisingan. Penelitian ini juga menyarankan suatu studi lanjutan untuk menentukan jarak pengamatan yang ideal dari garis tengah jalan pada saat pengukuran tingkat kebisingan di jalan.
PENDEKATAN DIMENSI KEPUASAN EKSTRINSIK DAN PENGARUHNYA TERHADAP KOMITMEN DAN PERILAKU ORGANIZATIONAL CITIZENSHIP KARYAWAN OPERASIONAL HOTEL BINTANG LIMA DI NUSA DUA BALI (Upaya Tingkatkan Daya Saing Sumberdaya Manusia Lokal Dalam Ekowisata) Ida Bagus Gede Udiyana; Parwoto Wignjohartojo; Siti Sulasmi
Bumi Lestari Journal of Environment Vol 12 No 1 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

The aims of the study is to analyze and to find the existence of satisfaction to the commitment and organizational citizenship behavior, and to develop the theory of Al Busaidi and Kuehn (2002), Dumler (1997), and Organ and Ryan (1995) that OCB is influenced by an extrinsic satisfaction and commitment. The subject of the research is the five stars hotels at Nusa Dua Bali, the object of the research is using three variables consist of extrinsic satisfaction as independent variable, one commitment variable as intervening variable, and organizational citizenship behavior as dependent variable. Respondent are the Hindu religion the hotel operational employees of 198 samples. The method of collecting data is using simple random sampling method with proportional allocation. The data analyzed in this research is using structural equation modeling (SEM) analysis technique, which is using AMOS 7 program (Analysis Structure) and SPSS 13.0 version. This research has found an expansion theory of Al Busaidi and Kuehn (2002), Dumler (1997), and Organ and Ryan (1995) that OCB is influenced by extrinsic satisfaction consist of reward policy dimension, job environment policy/ job situation and job environment. Furthermore, this research has found a theory that the main variable that is causing the appearance of organizational citizenship behavior are extrinsic satisfaction and commitment or OCB function of an extrinsic satisfaction and commitment. From this research can also be found that extrinsic satisfaction can be devided into an intrinsic satisfaction and extrinsic satisfaction.
TATA GUNA LAHAN DAN BANJIR DI KOTA TOLITOLI SULAWESI TENGAH I Made Adhika
Bumi Lestari Journal of Environment Vol 12 No 1 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Tolitoli located in the lowlands between the bays and hills. When rainfall occurs in the hills and tides occurs in the bay, the City will be flooded. Flood level depends on rainfall that occurred. In the year 2009 and 2010 a big flood happenend in the city. The aims of this paper are to discuss the relationship between land use and urban environment in flooding context. To achieve these goals are performed field observation, tracing a map of the area, interviews with leaders and Tolitoli's people. From the results observation will be described, interpreted, and narrated. The study result shows the land use in upland and city area, the physical condition of the city, and social culture have a significant role that cause a flooding in the study area.
SEMBUNG–KLADUAN WATERSHED NITRATE WATER QUALITY Visi Asriningtyas; Edia Rahayuningsih
Bumi Lestari Journal of Environment Vol 12 No 1 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Nitrate contaminant in Sembung-Kladuan watershed, Sleman, DIY (Yogyakarta Special Regency), Indonesia was being analyzed during 2005-2006. Discharges of the rivers were also being measured. Nitrate concentrations in the rivers were usually high in wet season, while Nitrate concentrations in the wells were high in late dry season. Nitrate loadings were also being examined. A simple filtration device to clean Nitrate from the wells for drinking water was made from a PVC pipe filled with charcoal and sand. The result of this filter was reduction of Nitrate concentration in the drinking water up to 65%.
EVALUASI GALUR JAGUNG SMB-5 HASIL SELEKSI MASSA VARIETAS LOKAL BALI ”BERTE” PADA DAERAH KERING Ni Luh Made Pradnyawathi
Bumi Lestari Journal of Environment Vol 12 No 1 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

TThe aimed of this study was to know agronomic characters performance of SMB-5 line mainly yield potential, compared to another local varieties in an arid area. The study was conducted at Sumber Klampok Buleleng in 2007. Randomized Block Design was used, seven varieties i.e. : SMB-5 line (Bt), Seraya (Sr), Cicih Tombong (Ct), Pulut Putih (Pp), Lombok Putih (Lp), Tongtongan Tianyar (Tt), and Ketokong (Kt) as a treatment with three replications. Ninety plants were taken as a random sampling from every genotype. Quantitative characters of SMB-5 line and another varieties tested showed a significant different for more variables except for maximum leaf number, time of tasseling, time of silking, number of productive pods and harvest index. SMB-5 line and another varieties tested was different in genetics showed by a high heritability (h2 > 0.50), and some others showed a main heritability (h2 >0.20). SMB-5 give the highest yield (4.02 ton/ha) which are significant different from another local varieties. SMB-5 lines have a good adaptation potential to an arid area.
PERMODELAN UJI LOGAM BERAT PADA BADAN AIR, BIOTA DAN SEDIMEN DI PERAIRAN MUARA DAS BARITO Dini Sofarini; Abdur Rahman; Ichsan Ridwan
Bumi Lestari Journal of Environment Vol 12 No 1 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

This research aimed to determine heavy metal content at water body, sediment and biota, determining plankton what overflows and parameter of water quality which not fulfill standard criterion quality of water in Estuary of Barito River. Method of data Analyse used to determine status of water quality with STORET model and EQI (Environmental Quality Index) Model, and calculation of indices for the analysis of plankton and Geographic Information System. Result of research show heavy metal rate at body of water especially Hg (0.2753 mg/l), dan Pb (0.17667 mg/l) and residing at biota (Giant Prawn have accumulate by heavy metal of Hg. Pb, Cu, As, Cr6+ and Cd. Sediment residing at Estuary of Barito River have accumulate by heavy metal but still under maximum boundary which have been specified. Result of research show calculation by using method of ordinary kriging with semivariogram/covariance modeling for heavy metal model at body obtained value of Average of standard error equal to 0.00609 (RMS = 0.00512) at Estuary River of Kelayan), 0.02441 (RMS = 0.02638) at Estuary of Alalak and 0.01641 (RMS = 0.01430) at station of Estuary River of Kuin. Result of calculation Semivariogram of heavy metal model at sediment, obtained of Average of Standard Error equal to 0.98181 (RMS = 1.14015) at station I, station II equal to 1.14015 (RMS = 1.79179) and station III equal to 1.19635 (RMS = 1.25590). Status of water quality at station perception according to Model of STORET categorized is weight, while pursuant to Model of Environmental Quality Index (EQI) categorized as impure territorial water.
PEMERTAHANAN LEKSIKAL TANAMAN OBAT TRADISIONAL UNTUK PENYAKIT ANAK PADA KOMUNITAS REMAJA DI BALI : KAJIAN SEMANTIK EKOLINGUISTIK I Wayan Rasna; Ni Wayan S. Binawati
Bumi Lestari Journal of Environment Vol 12 No 1 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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This research aims at investigating: 1) the lexical farm of traditional medical plants for children deseas according to Usada Rare; 2) young generations knowledge about the lexical forms of traditional medical plants for children’s diseases in accordance with Usada Rare manuscripts; 3) the uses of the lexical forms of traditional medical plants in adults speech. The setting of this study is the province of Bali, consisting of eight regencies and one city government, with the total number of samples of 225 adults and 2545 traditional headers. The samples of the study were determined by using purposive quota sampling technique. The dates about the lexical forms were collected by means of documentations method and note-talking technique. The data about the adults knowledge as to the traditional medical plants were obtained through structured questionnaire and lexical competency test. The data concerning the adults speech were gained through speaking test. Then, the data were analyzed descriptively. The result of the study shows that; 1) the lexical forms of the traditional medical plants according to Usada Rare were 122 types, which are classified into general and specific material ; 2) the young generations knowledges about the lexical forms can be categorized into : a) the young generation having very strong believe towards traditional medications and having very strong maintainance as to the lexical forms of medical plants, such as adult in Klungkung regency 247 (49,40%); Karangasem 226 (45,20%), and Bangli 210 (42%); b) The group of community having a strong confidence about modern medication will have a weaker maintainance about the lexical forms of medical plants, such as Denpasar 60 individuals ( 12%), Badung 65 people (13%), and Buleleng 83 persons ( 16,60%). The uses of lexical forms in speech were limited to the contexts of curing deseases. Suggestions are directed to health department, Bapedal, Dishutbun, and Documents Centre of Balinese Culture, to take care, socialize and conserve the environment together for the sake of keepingthe health of the nature, culture and community.

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