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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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Evaluasi Kesesuaian Lahan Sumba Tengah Untuk Tanaman Pangan Serta Perancangan Pola Tanamnya Yang Spesifik Lokasi Dina Banjarnahor; Bistok Hasiholan Simanjuntak
Bumi Lestari Journal of Environment Vol 16 No 2 (2016)
Publisher : Environmental Research Center (PPLH) of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/blje.2016.v16.i02.p04

Abstract

The regency of Sumba Tengah in the province of East Nusa Tenggara relies on rainfall to support its dry land agriculture hence should be supported with land suitability evaluation and cropping pattern design for a more sustainable crop production. This study aims to evaluate land suitability for food crops in Sumba Tengah and formulate the appropriate precipitation-based cropping patterns. This work was carried out from March to June 2015. Stages of research were: 1) characterizing land attributes (climate and soil) by soil analysis and desk study, 2) assessing land suitability level by comparing land attributes and crops requirements, and 3) composing feasible cropping patterns by using water balance method. Soils of Sumba Tengah varied from sandy to clayey with low to neutral pH and low to very high content of organic carbon and nitrogen. Phosphate and potassium availability was very low. Sumba Tengah was exposed to only four wet months a year with annual precipitation of less than 2000 mm. This region was highly and moderately suitable for growing paddy, maize, tubers, and legumes. It was not suitable for wheat. Some of the northern part was arable merely for one cropping season in a year, mostly from December to April, with the alternative of growing paddy or other crops. The remaining was likely to cultivate for two cropping seasons. Legumes were recommended to include in the rotation for soil conservation. Shortage of irrigation led to the unlikeliness of three cropping seasons in a year.
POLA PENYEBARAN SALINITAS PADA AKUIFER PANTAI PASIR PANJANG, KOTA KUPANG, NTT Judi K. Nasjono
Bumi Lestari Journal of Environment Vol 10 No 2 (2010)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

For water demand, people use dug well getting groundwater stored in aquifer at Pasir Panjang, Kecamatan Kelapa Lima, Kota Kupang, NTT. It situated close to Kupang Bay. Thus the aquifer potentially being seawater intrusion when excessive groundwater pumping. Pattern of groundwater salinity distribution is important data for groundwater management. In this study we applied Electric Conductivity (EC) method to measure saline in dug wells. Location, deep of well and groundwater table data took also. Linier regression analysis show that low salinity found on dug well far from coastline and high saline found nearby coastline. The map with contour line show spatial distribution which different on western and eastern of map. Indicating that high intrusion happened on eastern
THE DEGRADATION OF DIESEL OIL BY CONSORTIUM OF BACTERIA IN SHAKEFLASK CULTURES Ciawi -; Safitri R.; Suniti N.W.; Sahanggamu Y. P.; Dharmawibawa I.D.; Wirawan I.G.P
Bumi Lestari Journal of Environment Vol 8 No 1 (2008)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Diesel fuel is widely used in manufacturing and transportation industries. Its production, transportation, use and disposal have the risk to contaminate the environment. In the other hand contaminated site usually can produce some microorganisms, through natural selection, that can utilize the hydrocarbons as source of energy and food thus clean the environment itself. For bioremediation purposes, 14 isolates of diesel oil degrading bacteria from Bandung, Jakarta, and Bali has been employed for diesel oil degradation. These 14 isolates, together with other variables, e.g. pH, Pb, sucrose and urea, were plotted in 23x24 matrixes of Plackett and Burman statistical method. Fermentation was carried out in batch cultures for 14 days. The results showed that 9 isolates and the availability of sucrose and higher initial pH have a positive/stimulatory effect on diesel oil biodegradation, 5 of which were very significant (99.99%), whereas 1 isolate has inhibitory effect (-98%). The results also revealed that 8 isolates, higher initial pH, and availability of urea have stimulatory effect on culture growth (more than 90% significant). The present of Pb in medium inhibit both growth and the degradation of diesel oil, although the effect was not significant (less than 60%).
CYCAS RUMPHII MIQ. DI SEPANJANG SUNGAI MANINGO, TAMAN WISATA ALAM CANI SIRENRENG Deden Mudiana
Bumi Lestari Journal of Environment Vol 9 No 2 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Cycas rumphii Miq. belongs to Cycadaceae family that one of ancient species on the world. Sulawesi is one of distribution area for this species. This research aims to do inventory, habitat and distribution study of Cycas rumphii along Maningo river in Cani Sirenreng Forest Park.Collected data were diameter breast height, height of trunk, altitude, geografphic position (with GPS), and number of individu. Thirty two individuals were recorded on location. Most of them grew in shading area, clay and sandy soil, at 386-417 meter from above sea level.
Spatial and temporal distribution of fishes in Cirata reservoir, West Java Sri Wahyuni; Sulistiono Sulistiono; Ridwan Affandi
Bumi Lestari Journal of Environment Vol 14 No 1 (2014)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

This study aimedtoanalyze the relationshipbetweenthe condition ofthehabitatand thedistributionand abundance offishes spatially and temporallyin Cirata reservoir. Sampling offish conductedfrom February toJuly 2012in the Cirata reservoir. Fish sample sobtained from the catchesusinggillnetwithmesh size of1, 1.5, 2, 2.5, 3, and 3.5inches. Analysisconducted onphysical and chemical parameter water, substrat structure and abundance of fish, temporally and spatially. Fishobtainedduringthe studyamounted to626individuals,consist of 20speciesand10families. Cichlidaefamily foundin allof the studyzones.Based on physical and chemical caracter of water, Maleber zonewasthe best habitat. Dust was the dominan substratefractionin DAMzonewere (48.08%), Maniiszone(63.30%), Maleberzone(74.86%) andTegalDatar zone(58.93%). Substrate fractionintheJatinengangzone wasclay(56.78%), while thefraction ofthe substratein theRajaMandalazone was sand(46.56%).Fish speciesabundance ineachzone spatially were: DAM zoneis dominated by Oxyeleotrismarmorata(26.80%), Maniis zonewas dominated by Amphilopus citrinellus (43.05%), Maleber zone, Jatinengang zone and Raja Mandalazone were dominated by Oreochromisniloticus (28.79%), (44.11%),(39.75%), and Tegal Datar zonewas dominatedbyAequidens pulcher(74.69%). Abundanceof fishspeciesineachmonthtemporally:inFebruarywas dominatedbyHampalamacrolepidota (40.74%), Marchwas dominated by Oxyeleotrismarmorata(89.65%), Aprilwas dominatedbyChanos Chanos(62.79%), in Maywas dominatedbyHampalamacrolepidota(14.81%), Junewas dominatedbyAequidens pulcher(36.47%), and in Julywas dominatedbyMystusnigriceps(80.43%).
Model Pengelolaan Kepiting Bakau untuk Kelestarian Habitat Mangrove di Taman Nasional Kutai Provinsi Kalimantan Timur Nirmalasari Idha Wijaya; Fredinan Yulianda
Bumi Lestari Journal of Environment Vol 19 No 1 (2019)
Publisher : Environmental Research Center (PPLH) of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/blje.2019.v19.i01.p01

Abstract

The National Park Kutai (TNK) has ± 5.227 ha mangrove forest in along coastal beach. Therefore , almost 23% of mangrove forest was degraded effect to land conversion and utilization of damaged. Mud crab (Scylla serrata) is one of the resources in mangrove ecosystem, thus can be utilized for the cultivation sylvofishery. The Utilization was an alternative livelihood for the local resident in TNK areas that was not damaged their forest necessity. The model of sylvofishery utilization mud crab prepared were 5 sub-models, such as mangrove habitat sub-model, catching Mud Crab sub-model, enlargement cultivation of mud crab sub-model, market sub-model, social sub-model. The simulation results of the dynamic model, was showed optimistic of scenario performance model to sustainable for management of mangrove forest in The TNK thus conducted with optimization approached resources in utilization of Scylla serrata. With silvofishery expected balance between utilization and conservation of mangrove ecosystems.
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.
PEMANFAATAN NEMATODA PATOGEN Steinernema spp. Isolat Malang Dan Nusa Tenggara Barat DALAM PENGENDALIAN Spodoptera litura L. YANG RAMAH LINGKUNGAN Heri Prabowo
Bumi Lestari Journal of Environment Vol 12 No 2 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Research was conducted at Laboratory of Insect Pathology, Indonesian Tobacco and FiberCrops Research Institute, Malang. Research was conducted from July-August 2009. Isolatesof Steinernema spp. used is a collection of Insect Pathology Laboratory. Research arrangedin a Completely Randomized Design (CRD) with repeated 4 times. The research was conductedby using 4 concentrations of 0, 100, 200, and 300 IJ / ml. Each concentration was tested on 25insects. Observation of dead insects after 24 to 96 hours after infestation. Parameter larvalweight was observed 96 hours after treatment. Steinernema spp. West Nusa Tenggara andMalang isolates capable of causing mortality S.litura instar two ranges 4-78% for 96 hoursafter treatment. With the increasing concentration of Steinernema spp. given will increase themortality of S. litura. Provision of Steinernema spp. at various concentrations capable inhibitthe weight of larvae. Steinernema spp. has potential to be developed as bioinsecticide.
APLIKASI TEKNOLOGI BUDIDAYA TANAMAN PAKAN RAMAH LINGKUNGAN TERHADAP KUALITAS HIJAUAN (Studi Pemanfaatan Pupuk Organik Kascing dan Sistem Tanam) I Wayan Suarna
Bumi Lestari Journal of Environment Vol 4 No 2
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Chemical analysis of forages was conducted at Animal nutrition Laboratory,Faculty of Animal Husbandry Udayana University to study the effect of castingorganic fertilizer on Quality in Grass-legume Association.Field experiment was consisted of two factors as follows: (1) three types ofcropping systems (grass monoculture, legume monoculture, and grass-legumeassociation), (2) four levels of casting organic fertilizer (0, 10, 20, and 30 t ha-1).The experiment design was a randomized block design arranged in factorial patternand was replicated three times.The results showed chemical compossition of forage in association system at20 t ha-1 casting had a higher quality and a higher Ca and P contents, a lower NDFand lignin contents, whereas : ADF, hemisellulose, and cellulose contents were notsignificantly different.
THE SIGNIFICANCE OF SACRED PLACES FROM “THE TRIAD” OF MENDUT TEMPLE – PAWON TEMPLE – BOROBUDUR TEMPLE : PERSPECTIVE OF ENVIRONMENTAL SEMIOTIC Niken Wirasanti; Timbul Haryono; Sutikno Sutikno
Bumi Lestari Journal of Environment Vol 15 No 1 (2015)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Letak Candi Mendut - Candi Pawon  -Candi Borobudur berada dalam satu garis (imajiner)yang dikenal dengan tiga serangkai. Rangkaian tersebut merupakan sistem tanda yangoleh masyarakat Mataram Kuna abad IX Masehi diberi makna sesuai dengan konvensiyang berlaku pada waktu itu.Membuktikan ketiga candi yang merupakan sistem tanda dengan sebuah makna dapatdijelaskan dengan pendekatan semiotika struktural (Ferdinan de Saussure) yangmendasarkan pada elemen- elemen semiotika yaitu tanda (penanda-petanda), dan porostanda (sintagmatik dan paradigmatik). Elemen tanda dari lingkungan yang dapat dirunutyaitu penanda ruang, elevasi, jenis tanah, dan sumber air, sedangkan elemen tanda daricandi yaitu  arsitektur, arca, dan relief cerita. Tanda tersebut tidak dapat dilihat secaraterpisah-pisah tetapi dilihat dalam relasi dengan  tanda yang lain dalam poros sintagmatikdan paradigmatik. Untuk itu urutan tanda dimulai dari Candi Mendut-Candi PawonCandiBorobudur yang tersusun dalam susunan tertentu (jukstaposisi) dengan masingmasingmakna simbolisnya.Tanda-tandapada Candi Mendut – Candi Pawon – Candi Borobuduryaitu lokasi, tanahbatuan,sumber air,elevasi, arca,dan reliefcerita, tersusun dalam rangkaian yangmemperlihatkansebuah struktur yang bermakna. Susunan tersebut  bersifat linier yaknimengikutiaturan tertentu. Apabila aturan penataan tersebut berubah maka maknanyapunakanberbeda. Hal inilah yang membuktikan bahwa ketiga candi tersebut membentukkesatuanrangkaian perlambang yang mengacu pada makna simbolis berdasarkan konsepajaran agama Buddha pada masa Mataram Kuna abad IX Masehi.

Page 9 of 45 | Total Record : 445

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