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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 20 Documents
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Search results for , issue "Vol 9 No 2 (2009)" : 20 Documents clear
UPAYA PENGEMBANGAN VARIETAS JAGUNG TAHAN KERING MELALUI EVALUASI GALUR SMCT-2 Wayan Sudarka; Sang Made Sarwadana; I Gusti Ngurah Raka; Ni Luh Made Pradnyawati; I Gusti Alit Gunadi
Bumi Lestari Journal of Environment Vol 9 No 2 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

The research entitled “ Developping drought resistance of corn variety via evaluation of SMCT-2 line ” which aimed to achieve of agronomic characteristic varians and yield potential of SMCT-2 compare with SMCT-1 line and their parent. This research considered to conduct at dry season in Denpasar about 2007 and 2008. Selection method on this research is purporsive random sampling. Evaluation of variance selection line (SMCT-2) compare to parent showed significant different (F= 0,05) of some variables such as total of leafs, plants hight, leafs area, internodes, diameter of stems, position of ears corn, silks period, grains line on ears, ears length, grains weight per plant, weight of 100 grains per plant. Non-significant variance of variables is: length of internode, ears corn diameter, dry weight of raw materials, total of productive ears corn, initial period of tassels. Variances of entire variables of SMCT-2 relatively are lower than parent and SMCT-1 line. The higher variances of SMCT-2 are showed on height of plants (526,30) , leafs area (4011,10), position of ears-corn (205,58), dry weight of raw materials (5641,37), dry weight of ears-corn per plant (188,82), total of grains per plant (4335,26), dry weight of grains per plant (276,58). Coerffient of variance showed that SMCT-2 line, SMCT-1 line and parent less than 20 %. Average of variables to support production SMCT-2 line yields are relatively higher than parent is showed by: length of ears corn (13,20 %), dry weight of ears corn (5,6 %), total of grains per ear-corn (15,23 %), lines number of seeds per ear corn (4,80 %), dry weight of grains per plant (27,61 %), dry weight 100 grains per plant (3,33 %). Dry weight of yield SMCT-2 line was founded 5,02 ton per hectar, which is higher 4,58 % than SMCT-1 (4,8 ton per hectare), and is higher 8,71 % than parent (3,9 ton per hectare), with population 50.000 plants per hectare. This line was relative resistance on drought, show that was devolved to produced new variety for the arids areas.
PENERAPAN MANAJEMEN ENERGI DI HOTEL SEBAGAI USAHA MENGURANGI EMISI KARBON I.A. Dwi Giriantari; Made Sumantera
Bumi Lestari Journal of Environment Vol 9 No 2 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Energy management is very crucial now days due to the energy crisis and considering the emission produce by the activity. The production of energy releases large amount carbon emission to the environment, in addition the energy usage also produces carbon emission. Therefore, the unwise usage of energy leads to damage environment due to double amount of carbon emission. Application an energy management has an important role in reducing energy use in hotel particularly. Energy management in a hotel has produced a decision to apply a heat recovery system at their air condition system. It has significantly reduced oil consumption of the boiler from 772.274 litre/year to 158.472 litre/year that means a reduced on the carbon emission of 1.641.307 kg /year.
STUDY OF AIR-SEA INTERACTION AND CO2 EXCHANGE PROCESS BETWEEN THE ATMOSPHERE AND OCEAN USING ALOS/PALSAR (Study Cases of Wind Wave Bubbling Process in Badung and Lombok Straits) Ni Wayan Ekayanti; Takahiro Osawa; I Wayan Kasa; A. Rahman As-syakur
Bumi Lestari Journal of Environment Vol 9 No 2 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Peningkatan CO2 di atmosfer yang berpotensi menghasilkan pemanasan global telah menjadi perhatian bagi kehidupan manusia. Lautan mengandung lima puluh kali lebih besar CO2 daripada atmosfer dan menjadi penyangga yang membatasi konsentrasi CO2 dalam atmosfer. CO2 mengalami perubahan secara terus menerus antara udara-lautan dan konsentrasi CO2 di dalam laut dikendalikan oleh parameter fisika, kimia, dan biologi. Perubahan konsentrasi CO2 antara udara-lautan dapat ditentukan dari interaksi gas dan perbedaan konsentrasi CO2 antara udara-lautan. Perubahan CO2 antara udara-lautan dapat dikaji dari studi kecepatan angin, koefisien gesekan kecepatan angin yang diperoleh dari satelit ALOS/PALSAR di daerah Selat Badung dan Selat Lombok, salinitas, dan juga dengan SST yang diperoleh dari satelit MODIS. Hasil analisis menunjukkan bahwa koefisien perubahan CO2, perbedaan tekanan CO2 antara udara-lautan, dan CO2 flux antara udara-lautan secara berturut-turut yaitu 0.303±0.006 (rata-rata±standar deviasi) (mol m-2 month-1µatm-1), 17.94±10.79 ?atm, and 5.35±3.26 (mol m-2 month-1), dengan nilai maksimum dan minimum dari koefisien perubahan CO2 secara berturut-turut terjadi pada bulan Agustus dan Februari.
KOMUNITAS IKAN KARANG DI PANTAI SAWANGAN DAN KUTUH, BALI I Wayan Arthana
Bumi Lestari Journal of Environment Vol 9 No 2 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

The research has been done at Sawangan coastal water (S 08o49’44,7” E 115o13’20,3”) and at Kutuh coastal water (S 08o50’46,8” E 115o12’07,9”) using manta tow survey and line intercept transect (LIT) at the depth of 9-10 m. At Sawangan it was observed 12 family with 16 species of coral fishes. Family of Lambridae had the bigest individual number (19 individual) which came from species of Cleaner Wrasse (Labroides dimidiatus) with 17 individual and Moon Wrasse (Thalassoma lunare) with 2 individual. At Kutuh it was observed 10 family with 15 species of coral fishes. Family of Pomacentridae and Chaetodontidae had the bigest individual number which came from species of Paletail Chromis (Chromis xanthura ) and Indian Vagabond Butterflyfish (Chaetodon decussatus) with 4 individual each. In total, at Sawangan and Kutuh it was observed 13 family of coral fishes. Among those 13 family, coral fish community from family of Caesionidae, Cirrhitidae and Diodontidae were not available at Kutuh, moreover coral fish from family of Pempheridae was not available at Sawangan. As an ecosystem, the condition of coral fishes at Kutuh were more stable compared to that at Sawangan in which at Kutuh, the diversity index value was bigger and dominant index value was smaller.
EFEKTIFITAS EMPAT SPESIES LEGUM SEBAGAI INANG ANTARA TANAMAN HEMI-PARASIT CENDANA (SANTALUM ALBUM L.) Mangadas Lumban Gaol; Maria Longa Ruma
Bumi Lestari Journal of Environment Vol 9 No 2 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Research to investigate the effectively of four legume species as intermediate host of sandalwood was conducted. Research consist of five treatments; in four treatments, sandalwood was grown with C. siamea, A. leucophloea, A. farnesiana or A. villosa while in one experiment sandalwood was grown without host. Host treatment significanlty affected growth of sandawood. Based on sandalwood height, of four legumes used the best host for sandalwood was A. farnesiana. Host treatment also affected sandalwood biomass. Root, stem and leaf biomass of sandalwood grown with A. farnesiana were higher compare to grown with other host. Generally, based on sandalwood biomass, C. siamea did not affected growth of sandalwood while A. leuophloea and A. villosa tend to reduce growth of sandalwood. Number of leaf and leaf area were also different between treatments. The highest was in sandalwood grown with C. siamea and A. farnesiana while grown with other host were lower. Root length was marginally different between treatments. However, root of sandalwood grown with host was longer compare to sandalwood grown without host.
PEMANFAATAN ENERGI ANGIN SEBAGAI ENERGI ALTERNATIF PEMBANGKIT LISTRIK DI NUSA PENIDA DAN DAMPAKNYA TERHADAP LINGKUNGAN I N. Budiastra; I.A. Dwi Giriantari; Wayan Artawijaya; Cok. Indra Partha
Bumi Lestari Journal of Environment Vol 9 No 2 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

The environmental impacts due to technology applications have been an interesting issue for researchers and engineers worldwide. Innovations in development of environmentally friendly technology have been implemented to minimise severe consequences of the impacts, including in electricity generation technology. It has been known that the use of fossil fuel will increase the emission of greenhouse gasses, such as SO2, NO and CO2. A strong regulation for emission of greenhouse gasses has imposed a great extent of efforts in reducing the emitted gases. At present, the electricity need for Penida island is mainly generated using diesel generating system. The use of large amount of diesel oil for electricity generation certainly increases the emitted greenhouse gasses. This paper discusses an alternative technology in wind energy utilisation for electricity generation at Penida Island. The position of Penida island, which is in the ocean front region, yields a high potential use of wind energy for electricity generation. The analysis results show that at the Penida Island, the electricity may be produced with a maximum power of 50kW from a single wind turbine. In order to fulfil the total electrical energy need for the island, it is required to develop hundreds of turbines. Development of this amount of wind turbines certainly produces other related environmental impacts, such as ecological impacts, visual aesthetics and generated noises.
MODEL HUBUNGAN PENDUDUK DAN KONVERSI LAHAN DENGAN KETERSEDIAAN AIR BERSIH UNTUK PERENCANAAN PENGELOLAAN SUMBER DAYA AIR MELALUI METODE SYSTEM DYNAMICS DI KABUPATEN BEKASI Darwati Susilastuti; I Made Putrawan; C. Hanny Wijaya
Bumi Lestari Journal of Environment Vol 9 No 2 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

The objective of this research is to develop a system dynamics model that represents the relationship between population sub system and land conversion sub system with freshwater availability sub system in Bekasi Regency. The models are used to predict the relationship until 2025. The models are designed, both with and without intervention factors to population behavior toward water. The purpose of this study is to strengthen water resources management planning in Bekasi Regency. The method of the research was system dynamics. Water availability as a system was represented as a simple model in line with the factors in this research, so that the model represents the real world. The Causal Loop Diagram showed that factors in sub system and inter sub system formed balancing causal feedback loop. Model behavior simulation showed that freshwater availability (i.e. surface water and shallow ground water) decreased substantially (collapse) from 2003 until 2025. The decrease was caused by water pollution rather than the population growth and land conversion increasing. Population numbers increased slowly (growth), while land carrying capacity decreased gradually (decay). It is predicted, if the condition does not change, water crisis will happen in 2018. When community's behavior for water (i.e. thrifty and sanitation behavior) increase begin 2008, it is predicted that beginning from 2009, the freshwater availability will increase, the water crisis can be suspended, and the freshwater inventory can be reserved. Based on those findings, it could be suggested that water resources management planning should consider water as a system and integrate supply side management, demand side management, and governance side management.
JENIS TUMBUHAN SEBAGAI PEWARNA ALAM PADA BEBERAPA PERUSAHAN TENUN DI GIANYAR Pande Ketut Sutara
Bumi Lestari Journal of Environment Vol 9 No 2 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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The aim of this research is to find out species, organ, processing method and type of color that are created by natural coloring plants for woven fabric in weaving factory namely Puri Bali, Setia and Dewi Karya. This research was conducted from March until August 2008 . This research employed purposive sampling methods, which include : interview, observation and identification of plant species used for natural coloring in woven fabric. It was found in this reseach, 28 plant species that include in 19 families which were used as natural coloring and was distributed on all plant organs. Coloring process for woven fiber/fabric was done by dipping the fiber into plant extract solution , and then fixation in CaCO3 solution , followed by washing in water and the drying out. From 3 factories observed, the factory that utilized the most natural plants color is Setia Factory which employed 17 plant species and Dewi Karya employed 15 plant species. Among those three factories, some naturally coloring plants were the same but some other plants were different.
MANGELOLA KONFLIK LINGKUNGAN HIDUP DALAM RANGKA MEWUJUDKAN PEMBANGUNAN DAERAH SECARA BERKELANJUTAN Johannes Suhardjana
Bumi Lestari Journal of Environment Vol 9 No 2 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Sustainable Development and Eco-Development are not the final aim which be reached in environment management. Meanwhile, the final purpose of environment management is welfare of human life on this time and future. Development on managing and exploiting Environment, beside can improve the society prosperity also contain potency as conflict source among the society. Management of environment conflict to realize the sustainable local development can be done by counselling and education, economic instrument in the form of incentive and disinsentif, and also through alternative dispute resolution.
SIKAP MASYARAKAT LOKAL TERHADAP KONSERVASI DAN TAMAN NASIONAL SEBAGAI PENDUKUNG KEPUTUSAN DALAM PENGELOLAAN TAMAN NASIONAL KERINCI SEBLAT (STUDI KASUS DI KABUPATEN KERINCI DAN LEBONG, INDONESIA) Teguh Adiprasetyo; Eriyatno Eriyatno; Erliza Noor; Fadjar Sofyar
Bumi Lestari Journal of Environment Vol 9 No 2 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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The number of national parks in Indonesia increased rapidly since 1982. Support from local people plays an important role in sustaining national parks, therefore their needs, aspirations and attitudes should be considered to assure better national park management. This research was intended to discern the knowledge, perception and attitude of local people residing close to Kerinci Seblat National Park towards the park and its conservation initiatives, to identify factors affecting them, and to determine if local communities perceived more benefit from the park were likely to support it. Knowledge of local people about the existence of the park and regulation governed it was high. However, knowledge of local people about its function and benefit for society was relatively low. Attitudes of local people on the park and its conservation initiatives was affected by many factors including their involvement in an organization, administrative residence affiliation (district), ethnic, formal education attainment, distance of residence to national park, income, family size, affluence, and agricultural land ownership. Almost all of the local people perceived that the park did not give them economic benefit directly, therefore they expected to be involved in planning and making use of it. They also perceived that it was needed to conserve natural resources and supply ecological services. However, most of the people perceived that their lives did not depend on the park, so its existence should not be guarded collectively.

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