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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 21 Documents
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Search results for , issue "Vol 11 No 2 (2011)" : 21 Documents clear
KEBUTUHAN RUANG TERBUKA HIJAU PADA KAWASAN PUSAT KOTA JAYAPURA Alfini Baharuddin
Bumi Lestari Journal of Environment Vol 11 No 2 (2011)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Jayapura downtown continues to growing very rapidly along the increasing of population, demand of land, and number of motor vehicles and it affects to the increasingly dense of Jayapura downtown area, which results to the problems of land use and the decrease of environment quality. Therefore, it is necessary to create green open spaces to reduce the environment impact. This paper aims to analyze the needs of green open spaces in Jayapura downtown by several variables: the percentage of land area, the number of population, and the need of oxygen. The findings showed the current green open spaces available are still below standard since only the city park has meet the requirement of minimum area. It should be efforts to solve this problem by revegetation and optimalizing the available lands as green open space, the use of green roof, and green living like providing bicycle lanes and pedestrian paths.
SHRIMP FARMING OF BLACK TIGER SHRIMP WITH ZERO WATER EXCHANGE MODEL USING MOLASSES AS CARBON SOURCES Pohan Panjaitan
Bumi Lestari Journal of Environment Vol 11 No 2 (2011)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Penelitian bertujuan untuk: (1) mengevaluasi parameter kualitas air dan produksi udang windu pada tambak dengan model tanpa pergantian air dan menggunakan molases, dan (2) mengkaji keterkaitan antara parameter kualitas air dan produksi udang dengan tingkat perbandingan C:N melalui penggunaan molasses. Penelitian dilakukan di tambak udang windu Darwin, Australia selama dua siklus produksi dengan model tanpa pergantian air dan menggunakan molasses. Metode pengumpulan data yang digunakan adalah metode pengamatan lapang terhadap kualitas air (suhu, pH, kadar oksigen terlarut, ammonia, nitrite, nitrate dan kelimpahan jumlah bakteri heterotrofik). Analisis kualitas air dilakukan di laboratorium kualitas air pada Universitas Darwin Australia. Sedangkan data parameter produksi udang diperoleh dari perusahaan PT.Ardetex. Untuk melihat keterkaitan antara parameter kualitas air dan produksi udang dengan level perbandingan C:N maka studi ini menggunakan analisis regresi berganda. Studi menunjukkan bahwa: (1) kualitas air di tambak tanpa pergantian air menggunakan molasses masih mendukung kehidupan udang; (2) tingkat produks udang di tambak tanpa pergantian air menggunakan molasses tidak berbeda pada tambak dengan sistem pergantian air; (3) tingkat perbandingan C:N cenderung berkorelasi negatif dengan konsentrasi ammonia, nitrit, oksigen terlarut dan pH tetapi cenderung berkorelasi positif dengan kelimpahan bakteri heterotrofik; dan (4) pertumbuhan udang tidak berkorelasi dengan tingkat perbandingan C:N.
PENANGANAN SAMPAH SECARA SWADAYA DI DESA PAKRAMAN CELUK, SUKAWATI, GIANYAR I Gede Suartika
Bumi Lestari Journal of Environment Vol 11 No 2 (2011)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

The life of community must be supported by clean environment. It means that rubbish should be well and seriously managed. Rubbish management influences the cleanliness and the health of the environment because it risks to human health and even to their life. Households contribute the biggest amount of rubbish produced in customary villages. The negative impact of rubbish has a great influence on human life, particularly on people’s health. In addition to health, the other negative impacts of rubbish are the bad smell effecting the environment and the rubbish heap effecting the bad view so that a dirty environment leaves the feeling of inconvenience. Since the customary village contributes to the biggest amount of rubbish, it is necessary to give a better understanding concerning the impact of rubbish to the people living in customary villages. By giving a deeper understanding, the customary village community in Bali will be able to manage rubbish. There are some kinds of rubbish produced. They are organic and unorganic rubbish. This rubbish must be separated and then recycled to be more valuable things. Good rubbish management in customary villages will make the environment convenient for the tourist. As a result, the programs of the government intended to increase the number of tourist visit can be successful. This is because Bali is promoted to other countries for its beauty, friendly people, and culture which is supported by the clean government. The success of tourism industry makes the level people’s economy and the amount of foreign exchange increase either for local and national government. For that reason, the efforts supporting the tourism industry must be strengthened.
TANAMAN OBAT, TANAMAN UPACARA DAN PELESTARIAN LINGKUNGAN Nyoman Adiputra
Bumi Lestari Journal of Environment Vol 11 No 2 (2011)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

The existence of medicinal plant in Bali is a factual thing, as it is shown by the lontar usada Bali. On the other hand the ceremonial plants could not be forgotten. The question now, is there any relationship between these two plants? Does the relationship could be used in the environmental conservation program? It is hypothesized that some of the medicinal plants belong to the ceremonial plants; through horticulture the conservation of medicinal plants and ceremonial plants could be done. Therefore, walk-through surveys had been conducted in some hotels and governmental offices in Badung and Denpasar region. The results shown: that the horticulture planted belong to the medicinal plants, ranged from 46.5 %-78.2 %; and 50.0 % - 78.2 % belong to the ceremonial plants as well. It is concluded that through the horticulture, the conservation of living environmental could be done; therefore, the existence of medicinal and ceremonial plants could be maintained and become a reality until forever.
UPAYA MENDAPATKAN AGENS BIOKONTROL PENYAKIT PENYAKIT LAYU TOMAT FUSARIUM OXYSPORUM F.SP. LYCOPERSICI MELALUI EKSPLORASI DAN UJI POTENSI PGPR ISOLAT BAKTERI PSEUDOMONAS SPP. I Ketut Widnyana
Bumi Lestari Journal of Environment Vol 11 No 2 (2011)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

In this experiment the rhizosphere of several plants were explored to obtain Pseudomonas spp. A total of ninety soil samples were collected from rhizosphere of maize, peanuts, tomatoes, peppers, squash vines, ferns, onions, kale, and vanilla in all districts and cities of Bali Island.Bacteria were isolated from the rhizosphere soil using a culture media namely, King B agar. King B agar allows the production of fluoresceine (or pyoverdin), a yellow-green pigment that fluorescens under ultraviolet light in certain strains of Pseudomonas. Twenty-two Pseudomonas isolates that produced characteristic pigment from light green to bluish green in the media were obtained. The twenty-two isolates were KB1, KB2, KB4, KB16, KB19, KB24, KB29, KB30, KB32, KB33, KB34, KB36, KB46 KB49, KB61, KB67, KB68, KB69, KB71, KB77, KB78, and KB80. The bacterial isolates were further tested for pathogenicity using tobacco as an indicator plant. Twelve Pseudomonas isolates KB1, KB16, KB19, KB24, KB32, KB33, KB34, KB36, KB49, KB61, KB69 and KB77 were pathogenic while ten isolates KB2, KB4, KB29, KB30, KB46, KB67, KB68, KB71, KB78 and KB80 were non-phatogenic. This result will be subsequently used for evaluation of the induction of resistance in vanilla. Based on the results of the evaluation of isolates as a biological control potential with PGPR (Plant Growth Promoting Rhizobacteria), the isolates from Pseudomonas KB2, KB68 and KB 80 were shown to have the capability to increase growth of indicator plants 14% higher than controls. The study indicated that Pseudomonas were potent as biological control for Fusarium oxysporum F.SP, lycopersici that wilt disease of tomato.
ASPEK SOSIO-NATURAL HALAMAN SEKOLAH: MODEL EVALUASI ERINTEGRASI BIOEKOLOGI DAN PREFERENSI LINGKUNGAN DALAM EKOSISTEM URBAN Sang Putu Kaler Surata; I Ketut Suda; I Made Sudiana
Bumi Lestari Journal of Environment Vol 11 No 2 (2011)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

School yards are a part of a few green open areas in urban environment. Therefore, school yard has important role for urban ecosystem. The goal of this research is to compare bioecological condition among elementary, middle and high schools and analyse the level of relationship among bioecological aspects, students and teachers preferencies toward their school yards. We have conducted research in 2008 which involved 20 elementary, 8 middle and 8 high schools at Denpasar Bali. Those schools were devided to be two groups: A (we observed their shool yards and have taken survey for students and teachers) and B (only taken survey to students and teachers). Results showed that percentage of oppened yard toward total areas of elementary school (46,5±17,1%) higher than middle school (38,8 ±15,5%) and high school (37,5±9,6%). Also the proportion of school garden in elementary school (30,2±20,3%) nearly twice higher than middle school (18,8± 6,3%) and high school (20,0±8,2%). Environmental preferencies of majority sample (>80%) were higher than point 4 of 7 Likert scales. Its mean, they tend to give positive image both artistic (beautiful, green, fresh, healty, happy and wide) and the ecological roles of school yard (rain water catchment, pollution absorbtion, animal habitat, oxygen supply, opennes toward sunlight and plant biodiversity). While plot of factor analysis showed that bioecological scores located in the same field with environmental preferencies of samples from group B. Thus the model of integration between environmental preferencies and bioecological evaluation able to give a new perspective of school yard as a socio-natural unit. Its not only important for ecosystem but also for human well-being. Thus we suggested to apply socio-natural approaches, mainly through enggaging non-owner communities in rating certain of the urban ecosistem.
KUALITAS PERAIRAN PANTAI DI KABUPATEN BADUNG YANG DIMANFAATKAN SEBAGAI AKTIVITAS PARIWISATA I Ketut Sundra
Bumi Lestari Journal of Environment Vol 11 No 2 (2011)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Existing beaches in Badung (Kuta, Legian, Nusa Dua, Jimbaran, Tanjung Benoa and Canggu) is a beach full of tourism activities (hotel, restaurant and nautical sports facilities) and other activities. The presence of waste that is not managed well will greatly contribute to the decline in the quality of waters. Results of analysis by in-situ and laboratory in the wet season and dry in 2008 and 2009 ie from 19 parameters analyzed physic, chemical and microbiological, there is 8 parameters has exceeded the maximum threshold for designation as a marine tourism in accordance with Governor’s Rule of Bali No. 7 in 2007. Seawater quality parameters that exceed the Environmental Quality Standards is DO, BOD5, NO3, NH3, phenol, phosphate, cadmium (Cd) and Plumbum (Pb). The results on the quality of coastal waters are four beaches (Kuta, Legian, Nusa Dua and Jimbaran) are classified as low polluted, and two beaches (Tanjung Benoa and Canggu) is classified as middle polluted. The research concluded that in general the water quality at six beaches in Badung in 2008 and 2009 is still worth utilized for the purposes of maritime tourism.
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.
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.
VALUASI HUTAN WISATA KOTA DUMAI PROPINSI RIAU Nuryasin Abdillah; Mubarak Mubarak; Thamrin Thamrin
Bumi Lestari Journal of Environment Vol 11 No 2 (2011)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

The research results shown that the direct use value consist of economic value of woods in the Resort forest of Dumai for bandwidth of 3.298 acres is Rp 8.649.994.400. With the value NPV within 25 years is Rp 78.454.488.312,11. Economic value of cordwood itself within 1 year is Rp 388.756.500. While the economic value within 25 years is Rp 3.466.901.293,70. The economic value of decorated plants is Rp 608.415.040, with NPV within 25 years is Rp 5.495.376.545,72-. The economic value of fauna is 330.030.000,-, Value NPV within the next 25 years is Rp 1.109.457.677. The economic value of medicine plants within 25 years (NPV) is Rp 10.043.360.612,61. Meanwhile indirect use value which is consist of economic value of carbon absorption of the forest is Rp 51.824.772.000, Value of NPV within 25 years from that carbon absorption is Rp 470.388.298.259,56 and the economic value of the existence forest of Dumai is Rp 49.266.513.000,-. The value of existence forest of Dumai within 25 years with discount factor 10% is Rp 447.148.724.859,53. Total economic value resort forest of Dumai is Rp.112,177,938,617 and Value NPV within 25 years with assumption steady price and with rate of interest 10% is Rp.1,017,970,152,600. The result of this research hopefully could give information to the people who live near the forest, so they have motivated to maintain their forest existence. Therefore, it is necessary to do some social activity about existence, use and benefit of the forest. While could be observe from social wise, culture wise, economic wise or ecology wise to all kind of people even to those whose is not indirect interaction to the forest but also to the people whose indirect use to the benefit of those forest.

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