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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 17 Documents
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Search results for , issue "Vol 9 No 1 (2009)" : 17 Documents clear
PENGARUH LETAK SARANG DAN KERAPATAN TELUR TERHADAP LAJU TETAS TELUR PENYU HIJAU (Chelonia mydas) I Ketut Sukada
Bumi Lestari Journal of Environment Vol 9 No 1 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

This research was conducted in Tanjung Benoa Village, Subdistrict of Southern Kuta, Badung Regency, Bali between February 7, and April 12, 2006. The aim of this research was to observe the length of hatchery of eggs of green turtles (Chelonia mydas) in two places. Those places were: (1) which was freely exposured to the sunlight and (2) which was not freely exposed. These two places were set up to be closely to the natural (semi natural) nesting sites where eggs eggs being put underground in different densities. Factorial Randomise Block Design was applied in this research. The first factor was the density of eggs that was 40, 50, and 60 eggs in each hole and the second factor was the location of nest, whether was or was not freely exposed to the sun light. There were 4 replicates made, so the total eggs of C. mydas utilised in this research was 1200. Result of this research indicated that the hatching rates from various mean at calm place was better than those of the other place (did not calm) – higher hatching rates 4.34% (P<0,01), shorter hatching time (day) 2.5 (P<0,01) and hatchlings were bigger in size 0.14% ( P<0,01). The density of eggs of 50 for every nest was found to be significantly better (P<0,01) compared to those of the density of 40 and 60. Temperatures in calm place and that was not calm in the morning, during the mid day and in evening were 18.1600 C, 21.660C, 19.750C and 19.660C, 30.750C, 27.330C respectively.
PENINGKATAN POTENSI CEKER BROILER HASIL SAMPING DARI TEMPAT PEMOTONGAN AYAM (TPA) MENJADI GELATIN DENGAN MENGGUNAKAN METODE EKSTRAKSI TERKOMBINASI I Nyoman Sumerta Miwada; I.N. Simpen
Bumi Lestari Journal of Environment Vol 9 No 1 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

This research was proposed to increased the potency of shanks, esspeciality their skin by hidrolising the collagen (by extrating with solvent) into gelatine products. This research was run on a Completely Randomized Design (CRD). The experiment was run in factorial designs of 2 x 3. Factor I was solven type chloroform-ethanol and heksana-etanol, Factor II was a combination of ratio of 1:1, 1:3, and 3:1. The variable in this research were pH, viscosity, rendement, protein, and fat of gelatine contents. Result of the research indicated that the pH value of gelatine was between 8.21-8.52. The solvent of chloroform-ethanol gave the best result (P<0.05) on the ratio of 1:3. Percentage of rendement of gelatine was highest obtained from chloroform-ethanol types compared with that of hexane-ethanol (P<0.05). The interaction combinations of chloroform-ethanol on the ratio of 1:1 would result in the rendement percentage to be higher than others (P<0.05). Otherwise, the solvent of hexane-ethanol might bring impact to the viscocity of gelatine (P<0.05) compared to chloroform-ethanol. The interaction combination of hexane-ethanol ratio gave the best result (P<0.05) with highest level of viscosity on the ratio of 3:1 and lower on 1:3. The content of gelatine protein was highest (P<0.05) for the combination of hexane-ethanol compared to that of chloroform-ethanol. The solvent of chloroform-ethanol types could degrade more component of gelatine fat (P<0.05) compared to that of hexane-ethanol. It could be concluded that the research that the content of gelatine protein from extraction by hexane-ethanol on the combination ratio of 3:1 brought the highest quality compared to others.
ANALISIS SOFT SYSTEMS METHODOLOGY (SSM) DALAM PENGELOLAAN DAERAH ALIRAN SUNGAI: STUDI PADA SUNGAI CITARUM JAWA BARAT Sam’un Jaja Raharja
Bumi Lestari Journal of Environment Vol 9 No 1 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Different methods of watershed management have different technical and organizational problems. First, watershed management approach which was based on admisitrative region had clash of interest and authority. Second, river as resources of flow was not restricted by administrative boundary and technically there were impossible that flow of river stopped or switched to other regions because of the authority of every organization or institution. Consistent with technical and organizational problems above, watershed management based on space planning or government autonomy tended to be unoptimal, because it was not pararell with nature, characteristics of river flow (hidrologically), nor administrative or technical boundaries. In this condition, a new frame of watershed management needed, which had systemics frames, based on systemtematic thinking. One of tools of analysis which could be applaid was soft systems methodology (SSM).
POLA PERENCANAAN DAN STRATEGI PEMBANGUNAN WISATA ALAM BERKELANJUTAN SERTA BERWAWASAN LINGKUNGAN Anak Agung Gde Djaja Bharuna S
Bumi Lestari Journal of Environment Vol 9 No 1 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

The background of this study was our concern on the sustainability of the environment wich was an asset for tourism. For nature-based and nature-related tourisms, maintaining of nature attraction which was the main focus point for tourism was an important agenda. The destruction of the environment would reduce its attractiveness and as a result would change its reputation as a tourist destination. Nature-based and nature-related tourisms tended to have unique values, and recently more tourists had an interest in nature. Easy and good accessibility and the presence of potential markets contributed to the development of these types of tourist attractions which then uncontrolled developed into mass tourism. In other to maintain the environment, it was important to find out wether the strategic plan for tourism development had a concern to the sustainability of the environment. Some cases of nature-based tourism development had made environment to damage as tourists’ visit might cause decrease int the species diversity, erosion, pollution, contamination and decreased visual landscaping quality. Very often, the gradation had already reached decreasing phase of ’survivorship’ of nature, which would influenced onto the environment quality. As a result the visitors would feel uncomfortable to visit this destination anymore. This was because of there was no integrated management yet established, especially between economic and ecologic visions in taking decision on planning and on the strategy tourism development processes. In order to keep the sustainability of the environment, which minimizing the negative impacts, this article was written to find out planning and strategy on sustainable development of nature-based tourism. The method of writing this article was utilizing literature review and also some continuing research.
“SELEKTIFITAS SPECIES” ALAT TANGKAP GARUK DI CIREBON, JAWA BARAT Eko Sri Wiyono
Bumi Lestari Journal of Environment Vol 9 No 1 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

In order to understand the fishing gear characteristics of “garuk”, a traditional fishing gear in North Java Sea, study about species selectivity of garuk has been conducted in Cirebon, West Java. Using Shannon-Diversity Index and Dominance Index analysis the catch diversity and dominancy were analyzed. The result analysis showed that the number of species diversity of garuk varied between 0.8 – 1.2. On the other hand, result analysis of dominance index showed that the number varied between 0.3 – 0.5. This result indicated that garuk has low selectivity to target species.
HORTICULTURAL, MEDICINAL AND CEREMONIAL PLANTS IN PETIGA VILLAGE, TABANAN BALI PROVINCE Nyoman Adiputra
Bumi Lestari Journal of Environment Vol 9 No 1 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Sustainable development is a must for Bali. It is due to the fact that one of the negative impacst of development is the change of the land use from agriculture into other functions. As a result, most of medicinal plants will be extinct. In another hand there is a trend of people to plant horticultures in their house yards. The main issue: is there any relationship between horticulture and sustainable development? In answering it, a field study was conducted in Petiga Village, Tabanan, Bali Province. Observation and interview were carried out to respondents consisted of five Balinese farmers who nurse cultivate the horticultural plants for their daily activities. Results show that: 1) there are about 159 kinds of plant totally used as horticultural plants; 2) amongst those plants, about 67 plants belong to the medicinal plants and 80 plants belong to ceremonial plants; 3) number of horticultural plants in every house sampled ranged from 63-94 kinds; 4) the popularity of any horticultural plant is affected by the market’s demand. The conclusion which could be drawn was that the medicinal plants as well as the ceremonial plants were used for horticultural plants. It was due to their wonderful colors, nice stems, flowers or leaves, special odors, economical values and magical values as well. Horticulture could be used as a strategy for preservation and conservation program of the medicinal plants in Bali. It was recommended that for the sustainability, all medicinal plants which exist in Bali should be invented and planted in a form of medicinal plant park.
WATER PRICING TO ACHIEVE SUSTAINABLE VALUE IN THE USE OF WATER FOR IRRIGATION IN NORTH COASTAL PLAIN, BALI I Wayan Budiasa
Bumi Lestari Journal of Environment Vol 9 No 1 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

TMB-59 is one of 39 irrigation systems under the project of Sustainable Development of Irrigated Agriculture in Buleleng and Karangasem Regencies, Bali (SDIABKA). This system, whose cost is amounting up to Rp 850,848,998.00, has been jointly financed by the European Commission and the Government of Indonesia. The average of groundwater discharged at TMB-59 was 12.93 l/s and the maximum discharge that was recommended by the project was 14.4 l/s. In case of water availability was limited, it was necessary that the discharge should be less than the recharge and the opportunity cost of water as well as depletion premium should be considered in designing tariff structure of water. Present water pricing by Tubewell User Group (TUG) of Sarining Pertiwi at TMB-59 considered operation and maintenance (OM) only – the costs in amounting to Rp 301.01/CM. The concept of sustainable value in the use of water fused the full supply cost, opportunity cost and externality cost. It was obtained that sustainable value in the use of water for irrigation in TMB-59 was Rp 1,218.29/CM consisting to full supply cost of Rp 631.26/CM, opportunity cost of Rp 188.74/CM, and depletion premium of Rp 398.29/CM. This amount, which was four times of OM costs or two times of full supply cost, and should be paid by users in order that irrigated agricultural development is to become sustainable.

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