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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 445 Documents
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DEGRADASI EKOLOGI SUMBERDAYA HUTAN DAN LAHAN (Studi Kasus Hutan Rawa Gambut Semenanjung Kampar Propinsi Riau) Rifardi -
Bumi Lestari Journal of Environment Vol 8 No 2 (2008)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

The purpose of this study was to clarify relationships between socio-economic activities and forest ecology degradations in Kampar Peninsula, Riau Province, Indonesia. Socio-economic and demographic data were collected from seven districts in three regencies, namely district of Kuala Kampar and Teluk Meranti in Pelalawan Regency, district of Sungai Apit and Dayun in Siak Regency, and district of Merbau, Rangsang and Tebing Tinggi in Bengkalis Regency. All data were collected using Simple Random Sampling and Loting Methods.Results of this study revealed that there were close relationships between socio-economic activities and forest ecology degradations in Kampar Peninsula. The population growth and improvement of socio-economic activities caused land use in Kampar Peninsula forest getting higher. Kampar Peninsula forests were deforested about 260,348 ha (34%) in the period of 1998-2005. The highest deforestation (20%) occurred in the period of 2000-2005. Land use on this forest had increased since 1990 (25,256 ha) and had became increasing in 2005 (162,413 ha).
BIOAKUMULASI RESIDU CEMARAN DDT DAN KLOROTALONIL PADA IKAN KARPER DAN NILA DANAU BUYAN BULELENG BALI Ida Bagus Putra Manuaba
Bumi Lestari Journal of Environment Vol 9 No 2 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Analysis of DDT and chlorotalonil bioaccumulation on carp and nile fish tissues at Buyan Lake were performed. The study involve two step activities, i.e. field study for gaining sampling zone and sample needed, followed by laboratory works for obtaining DDT and chlorotalonil residual bioaccumulation on fish. Sample preparation for this purposed was carried out following a standard method. Gas chromatography was employed for determining accumulation of DDT and chlorotalonil. Average bioaccumulation of DDT on carp and nile is 16.6 and 9.6 ppb, respectively, while, average chlorothalonil bioaccumulation on the same fishes is 11.9 and 13.3 ppb, respectively.
JUMLAH BIBIT PER LUBANG DAN JARAK TANAM BERPENGARUH TERHADAP HASIL PADI GOGO (Oryza sativa L.) DENGAN SYSTEM OF RICE INTENSIFICATION (SRI) DI LAHAN KERING Hery Christanto; I Gusti Ayu Mas Sri Agung
Bumi Lestari Journal of Environment Vol 14 No 1 (2014)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Water availability is a major limiting factor to the growth and yield of rainfed rice.  Systemof Rice Intensification (SRI), which is an efficient method of planting rice, particularly inthe use of water, number of seeds per hill and time of transplanting seedlings, has beenapplied generally in irrigated rice but it is rarely practiced in rainfed rice.A field experiment, which was aimed to study the effect of number of seed/hill and variationof plant spacing on the growth and yields of rainfed rice with SRI (System of RiceIntensification), was conducted during dry season from April until September 2012. Thelocation was at Patemon Village, District of Seririt, Buleleng Regency, Bali, at the altitudeof 100 meter asl. In this experiment a completely randomized block design was used and thetreatment were arranged factorially. The first factor was the number of seeds (1,2,3 and 4)/hill and the second one was the plant spacing (20 cm x 20 cm, 25 cm x 25 cm and 30 cm x 30cm). All treatments were replicated three times.The results of the experiment showed that the interaction between one seed/hill and plantspacing of 30 cm x 30 cm resulted in significantly (P<0.05 and P<0.01)  the highest fresh(4.387 ton/ha) and oven dry weight of grains (3.633 ton/ha), oven dry weight of 1000grains (20.920 g) and the harvest index (31.163%). The gross margin analysis indicatedthat the variable costs were higher than the gross income for all treatment, due to high costof watering
Potensi Peningkatan Penyerapan Karbon Melalui Sistem Tanaman Sela Berbasis Karet Sahuri Sahuri
Bumi Lestari Journal of Environment Vol 18 No 1 (2018)
Publisher : Environmental Research Center (PPLH) of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/blje.2018.v18.i01.p05

Abstract

Rubber tree (Hevea brasilliensis) has a very big role in the economy and the absorption of CO2. Rubber plants as well as forest plants capable of processing CO2 as a carbon source that is used for photosynthesis. CO2 absorption can be enhanced through the implementation of rubber based intercrops system. This study aims to determine the potential for carbon sequestration in rubber based intercrops system. The experiment was conducted at the Sembawa Research Station, South Sumatra, with two cropping pattern (PT), namely PT1: rubber plants + intercrops (peneaple, cowpea, sweet sorghum, upland rice, sweet corn, ginseng), and PT2: rubber plant of monocultures. Measurement of carbon reserves consist of tree biomass, intercrops biomass and soil organic matter. The results showed that the absorption CO2 of intercrops i.e: peneaple (5,87 tons/ha), cowpea (4,08 tons/ha), sweet sorghum (12,84 tons/ha), upland rice (8,68 tons/ha), sweet corn (10,63 tons/ha), and ginseng (3,31 tons/ha). The addition of carbon sequestration due to intercrops rubber were 296,59% or 33,96 tons CO2/ha compared to the rubber plant of monocultures.
REVITALISASI PELAKSANAAN KETENTUAN PERATURAN PEMERINTAH DAN PEMEGANG IZIN PERTAMBANGAN DALAM MENYIKAPI PELESTARIAN KEANEKARAGAMAN HAYATI DI KAWASAN HUTAN I Putu Gede Ardhana
Bumi Lestari Journal of Environment Vol 11 No 1 (2011)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

This Article aims to study the governmental policy for methods which participate the act No. 19 of 2004th concerning the perspective preservation of biodiversity. This Article represent the normative legal research that is concern with legislation approach (the statute approach), case study approach (the case approach), approach by factual (the fact approach), the approach of analytical legal concept (analytical conceptual approach), and the bibliography approach (the library approach) that is the collection of the reading materials related with this topic of problems. From the conclusion of this article, we can obtain the summary that act No. 19 of 2004th was the concretion of synchronized activity of the mining industry in the forest zone and threatens the preservation of biodiversity. To remove this threaten we must revitalize the methods which enact laws and regulations concerning with forestry, conservation of biodiversity, and ecosystem against the mining’s operation. Especially against the conduct of 13 mining companies which are authorized by permissions of the mining industry for exploitation, the sanction agents the offender accurately must be imposed and must be accordance with the law or regulation in force for methods which guarantee the reservation of biodiversity.
PENERAPAN TEKNIK PARTISIPATORY RAPID APPRAISSAL (PRA) DALAM PENGELOLAAN LINGKUNGAN DI DATARAN TINGGI NUSA TENGGARA TIMUR Made Merta
Bumi Lestari Journal of Environment Vol 5 No 2
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Research on slash and burning practices was conducted in Kecamatan Insana,TimorTengah Utara Regency on August , 2004. The research aim is for better understanding ,why the community practicing this method and tray to stop it. This research usedPRA technique ,because PRA is a participatory approach , new innovation method forimproving efficacy and rapidity in data collection. Research concluded that thecommunity become conscious there was serious declines in ecosystem due to slash andburning practice. The farmers need counseling, extension and demonstration on usinghoe, sickles etc. Participatory method was interested the community in prepare theaction program and developing the learning process for solving the environmentproblems.
MODEL DINAMIK PENGENDALIAN PENCEMARAN AIR KALI SURABAYA Suwari Suwari; Etty Riani; Bambang Pramudya; Ita Djuwita
Bumi Lestari Journal of Environment Vol 11 No 2 (2011)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

The Surabaya River plays an important role as water supply of the Surabaya PDAM, irrigation, industry, transportation, and means of recreation. However, domestic, industrial, and agricultural waste that were discharged into the river stream polluted the Surabaya River and decreased the carrying capacity and assimilative capacity. Therefore, effort to monitor and control the Surabaya River water pollution need to be well organized and implemented. The aim of the research is to develop a model of water pollution control on Surabaya River region. The research was carried out based on field survey, in situ and laboratory sample examination, questionnaire, and expert judgment. Pollution control model developed in this study was built into three sub-models, namely: (1) ecology sub-model, (2) social sub-model, and (3) economy sub-model using powersim constructor 2.5 version. Pollution control scenarios were developed using prospective analysis. The results of water pollution parameters such as TSS, DO, BOD, COD, N-NO2, and the level of mercury (Hg) were higher than the allowable class 1 standard. The sources of Surabaya River pollution mainly are domestic and industrial waste with total load of BOD, COD, and TSS are 55.49, 132.58, and 210.13 ton/day, respectively. According to water quality status, the Surabaya River is categorized as heavy polluted and the loading pollution need to be decreased. By using prospective analysis, there were five important factors that affect the future of the Surabaya River water pollution control, i.e.: (1) population growth and community awareness, (2) community perception, (3) implementation of regulations, (4) commitment/local government support, and (5) system and institutional capacity. There are three development scenarios, that are pessimistic, moderate and optimistic. The moderate and optimistic scenario are the realistic scenarios that occur in the future for Surabaya River water pollution control in considering of ecology, social and economy aspects.
PENGELOLAAN LAHAN DENGAN SISTEM AGROFORESTRY OLEH MASYARAKAT BADUY DI BANTEN SELATAN Gunggung Senoaji
Bumi Lestari Journal of Environment Vol 12 No 2 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Land management with agroforestry systems have proven economic benefits for communities and benefit protection for the environment. Baduy community in South Banten has implemented agroforestry systems in managing the farm. This study aims to determine the process of agricultural land management with agroforestry systems by Baduy community. The method used is survey method with the partisipatory approaches. Data retrieval is done by field observations and in-depth open interviews. The results showed that Baduy community, especially Baduy-Luar, implement agroforestry systems “kebun sengon campuran” in managing the farm. The farming systems is dryland rice with shifting cultivation with 5-7 years of fallow period. The procedure for farming is governed by customary norms that must be obeyed by the whole community Baduy. On the farm planted with agricultural crops and trees. In the first year of land, found rice vegetables, pulses, the chicks sengon, and trees. In the second years of land found various pulses, vegetables, and tree sengon, and the third-fifth year land has formed the mix sengon plantations. The age of stands sengon as the fallow period in management of their land.
KONFLIK DALAM PEMANFAATAN DAERAH ALIRAN SUNGAI AYUNG, DI BALI ( Kajian Ekologi Manusia ) I Nyoman Wardi
Bumi Lestari Journal of Environment Vol 3 No 2
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Ayung river which is stretching along the five regencies constitutes the longes river (68.5 km) in Bali. The river has important roles in term of supplying water needed by localcommunities for subak irrigation system, for local comsumtions, tourism industries and forholding a religius ritual. The study is aimed to identify problems or conflicts which recentlyemerging to utilization of the river basin. The study was preceded by reviewing literatures,field observation, and indept-interview to the key informans. Data collected then bringanalyzed by a qualitative-description techniqueThe results of the study showed, that on line with tourism and demographicaldevelopment in Bali, there are some conflicts of interests have been emerging, including : (1)conflict between a group of farmers or regional government at upstream against middle ordownstream, (2) internal conflicts among tourism business (hotels/restourants and rafting),(3) conflicts between tourism businesses against local communities, and (4) conflicts betweenreal estates (public housing businesses) against subak institutions. In addition to those, thereare also some problems related to convertion of conserved area along the river edges.To coup with the problems/conflicts, integrated management approaches throughestablishing an institutions or forum to watch and to manage the river basin is needed. Themanagement should involve all stakeholders including local communities. All isues relatedto economical, ecological and culture aspects need to be consider in management system ofthe river basin, so that the harmony and sustainable development can be achieved.
ANALISIS STATUS KEBERLANJUTAN PENGELOLAAN AIR BAKU DI KABUPATEN KONAWE PROVINSI SULAWESI TENGGARA Ridwan Adi Surya; M. Yanuar J. Purwanto; Asep Sapei; Widiatmaka Widiatmaka
Bumi Lestari Journal of Environment Vol 14 No 2 (2014)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

The water supply to support the development and human needs need to be guaranteed forthe sustainable condition. Decreased water availability and increased water demand hasoccurred in Konawe Regency Southeast Sulawesi Province. In order to the management forwater supply in Konawe Regency can take place in a sustainable condition, it is necessary toapply the concept of sustainable development through the conservation of water resources.This study aims to analyze the sustainability of the status of water management for sustainablewater supply in Konawe Regency, and analyze the important factors that affect the sustainabilityof water management in the Konawe Regency. The analytical method used is a MultiDimensional Scaling called Rap-Konawe. The results are expressed in terms of index andstatus of sustainability. The analysis on the five dimensions indicate that the ecologicaldimension is sustainable enough (52.36%), economic dimension is less sustainable (36.93%),social dimension is less sustainable (34.16%), technology dimension is less sustainable(35.39%), and institutional dimension is less sustainable (35.39%). There was 12 attributesneed to be taken care immediately because of the sensitive affect on the increase of index andsustainability status.

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