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Ecotrophic, Journal of Environmental Science
Published by Universitas Udayana
ISSN : 19075626     EISSN : -     DOI : -
Core Subject : Social,
Environmental Science
Ecotrophic, Journal of Environmental Science (ISSN : 1907-5626) atau yang disingkat EJES, merupakan media publikasi bagi hasil-hasil penelitian, artikel dan resensi buku dibidang ilmu lingkungan. EJES adalah peer-reviewed dan open access jurnal, diterbitkan dua kali setahun yaitu bulan Mei dan September oleh Program Studi Ilmu Lingkungan, Program Pascasarjana Universitas Udayana.
Arjuna Subject : -
Articles 359 Documents
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HUBUNGAN KEPADATAN KENDARAAN DENGAN GAS KARBON MONOKSIDA UDARA AMBIEN DAN KARBOKSIHEMOGLOBIN JURU PARKIR DI JALAN GAJAH MADA DENPASAR I M BULDA MAHAYANA; I W BUDIARSA SUYASA; I D A ALIT LAKSMIWATI
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 4 No 1
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (111.477 KB)

Abstract

Gajah Mada street is the main road in Denpasar to access traditional market in Badung and Kumbasari Market. It iscrowded street with many vehicles pass through it. As a result, this could increase the level of emission gas such asambient monoxide carbon gas which could affect the concentration of carboxyhemoglobin, exposure time and subjectivecomplaints of sample.his was a cross sectional study of 12 parking man. Data was mainly collected from measurements including thedensity of vehicles, vehicles type, oil fuel type, vehicle age, ambient monoxide carbon gas, carboxyhaemoglobin,exposure time and subjective complaints of sample.The study found that the average of vehicle density mean per day was 91.338 unit or 3.805,8 unit per hour (veryhigh). The biggest type of vehicle percentage was motorbike 81%, followed by vehicles using premium fuel 93,7%. Theage of vehicles below 10 years was 55%. The mean of monoxide carbon gases concentration was 585,96 ?g/m³ per day(mean). The mean of weather situation including humidity was 82,7%, temperature 27,6ºC, eastward wind direction, faircloudy an wind speed about 1,76 m/second. The average of carboxyhaemoglobin concentration in 12 parking man was3.8% (very low). The mean of exposure time was 125 minutes. It was noted that there were 9 samples (75%) withcomplaints and 3 samples (25%) without any complaints.The study concluded that the highest numbers or vehicle density it is very high categories. Monoxide carbon gasconcentration it is mean categories and was under threshold limit value. The highest numbers or vehicle density and Monoxide carbon gas concentration between 14.00-16.00 pm and. There was a significant correlation between vehicledensity and ambient monoxide carbon gas. The measurement of carboxyhaemoglobin concentration it is very lowcategories. It also found that the exposure time correlated with the level carboxyhaemoglobin of parking mansignificantly.It is suggested that the Government of Denpasar City should implement free parking area particularly in crowdedtraffic time, develop city garden and propose the community to use low fuel emission for vehicles.
PENURUNAN KADAR RHODAMIN B DALAM AIR LIMBAH DENGAN BIOFILTRASI SISTEM TANAMAN K. Yogi Purnamawati; IW. Budiarsa Suyasa; IG. Mahardika
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 9 No 2 (2015)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (192.133 KB) | DOI: 10.24843/EJES.2015.v09.i02.p08

Abstract

The textile industry is growing rapidly and as the result it’s producing waste that can harm the environment. One of which is rhodamine B. Rhodamine B is a synthetics dyes that have a form crystalline which an organic base containing amino groups, so it is difficult to degrade naturally by microorganism. Biofiltration system method is one of many ways in handling wastewater. Layered filtration unit of sand and rocks combine with the adsorption of plant and decomposition by microorganisms in rhizosphere so that wastewater can be reused. The aim of this study determined effectiveness and capacity of biofiltration system vegetation in reducing concentrate of rhodamine-B, total dissolved solid (TDS), total suspended solid (TSS) and the pH in wastewater. The result showed that biofiltration effectiveness in reducing rhodamine B, TDS and TSS concetrate were 51,70%; 47,60%; 50,44% while decreasing and stabilization of pH obtained at 30 hours treatment time with pH value is 7,5. Capacity of biofiltration system vegetation with volume 0,06 m3 can reduced rhodamine B, TDS and TSS by 0,2256 ppm; 278,0237 ppm and 9,4978 ppm respectively, while the optimum detention time of wastewater in the biosystem for reducing rhodamine B was 30 hours and for TSS and TDS was 36 hours. It can be concluded that biofiltration system vegetation was able to reduce rhodamine B, TDS, TSS and pH of wastewater
STUDI PENENTUAN LOKASI UNTUK PENGEMBANGAN BUDIDAYA RUMPUT LAUT DI WILAYAH PERAIRAN TELUK SALEH, SUMBAWA, NTB Komang Iwan Suniada; Muji Wasis Indriyawan
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 8 No 1 (2014)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

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Abstract

This study was carried out to support the strategic plan of the Ministry of Marine Affairs and Fisheries of Republic of Indonesia that seeks to increase fisheries production through the aquaculture, especially by developing seaweed cultivation around Sumbawa regency. Objective of this study is providing information of potential area for seaweed cultivation around Teluk Saleh water territory, Sumbawa Regency, Nusa Tenggara Barat. Remote sensing data (Terra/Aqua MODIS and Landsat satellite image), field survey data and secondary data were used for this study. Remote sensing data were used to produce Sea Surface Temperature, Chlorophylla information and mapping of bottom substrate, field survey data provided nitrate, phosphate, salinity, pH, DO, TDS, flow velocity, water transparency while secondary data was used to provide bathymetry information. Geographical Information System software was used to analyze this study by using overlay technique for all parameter, which had previously been weighted and scored based on the criteria of aquatic habitat suitability for seaweed cultivation. Higher scoreindicates that the areamoresuitableforseaweed cultivation activities. The results showedthat thepotential areasuitablefor seaweed cultivation activitiesaround Teluk Saleh water territory, Sumbawa Regency, Nusa Tenggara Barat is about 25.532,57 Ha.
PENGARUH PENAMBAHAN LUMPUR AKTIF PADA BIOFILTER ANOKSIK-OKSIK DALAM MENURUNKAN KADAR AMONIA AIR LIMBAH RUMAH SAKIT Wayan Trisna Dewi; I Wayan Budiarsa Suyasa; I Nyoman Rai
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 13 No 1 (2019)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (178.023 KB) | DOI: 10.24843/EJES.2019.v13.i01.p06

Abstract

Development of the population and the increasing demand for health services has led to the increase in the number of hospitals, both government hospital and privet hospitals. The presence of ammonia as a result of protein decomposition can be toxic in the waters. The application of anoxic-oxic biofilter system is an attempt to be able to reduce ammonia levels in hospital wastewater. In the process of anoxic-oxic biofilter, contact occurs between the gravel media and microorganism to form biofilms which can accelerate the degradation of organic matter and the nitrification process. This study aims to obtain the best activated sludge source in reducing ammonia levels of wastewater applied to the anoxic-oxic biofilter system applied. This research was contucted in two stages in which the first stage of active mud nursery was carried out from three sources, namely WWTP Wangaya Hospital Denpasar, WWTP of PTN Hospital Udayana University and WWTP of Bangli Hospital for six days. At this stage a Mixed Liquor Volatile Suspended Solid (MLVSS) value is measured which shows the growth rate of biomass in activated sludge. The second stage is applivation of avtivated sludge and control to the anoxic-oxic biofilter system to reduce ammonia levels in hospital wastewater for five days of processing. This study use a randomized block design with four treatments and three replication. The results showed that the best activated sludge was obtained through nursery from WWTP of Wangaya Denpasar Hospital which was shown by the highest biomass growth (MLVSS Value) of 2433.3 mg/L and the highest reduction in ammonia reached a final level of 0.53 mg/L. The levels of effectiveness of the process of decreasing ammonia levels by 94.70% and has been able to pass the specified quality standard effectiveness percentage (90%) for five days of processing. The value of this effectiveness is the highest compared to the controls and other activated sludge treatment.
PEMANFAATAN METODE AERASI DALAM PENGOLAHAN LIMBAH BERMINYAK Made Arsawan; I Wayan Budiarsa Suyasa; Wayan Suarna
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 2 No 2
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

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Abstract

Oily waste can pollute environment. One of the method used to process the oily waste is aerationmethod. This researce is carried out by taking oily waste PT. Indonesia Power Business Unit Electric PowerStation Bali at Pasanggaran Denpasar, aimed at increase quality of the waste.The sampel used is waste of PT. Indonesia Power Electric Power Station Business Unit of Bali. Thesampel is intercepted and retained in a retaining box, and 11,12 litters are then taken to be put intotreatment tank. Aeration treatment duration given varies, such as 12 hours, 24 hours, 48 hours, and 72 hoursfor the sampel with air flow speed of 0,6m/s. The treatment is also done with adding sampel with mud of 1%of the whole sampel volume. The relation between Aerating duration with oil contents, oil layer, BOD value,COD value, TDS value and TSS value will be analyzed with simple correlation and descriptive analysis.Aeration treatment can reduce the contents of oil in waste and separate oil accumulated in the waterso that the oil can be depressed up. Aeration treatment can also lower BOD value, COD value, TDS valueand TSS value because giving oxygen in to waste will meet the needs of oxygen of disentanglingmicroorganism in the waste water and the needs of oxygen for oxidation of chemicals in the waste.Therefore, aeration treatment can increase quality of the waste.
STRATEGI PENGELOLAAN SUMBERDAYA PESISIR DAN LAUT BERBASIS KEARIFAN LOKAL DI KOTA ADMINISTRATIF ATAURO KOTA MADYA DILI TIMOR-LESTE Domingos Mesquita; I Wayan Suarna; Wayan Windia
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 10 No 2 (2016)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/EJES.2016.v10.i02.p04

Abstract

Coastal and marine resources today are degraded as a result of destructive use and short-term interests. People in the Town of Atauro have their own indigenous traditions of ancestors that are applied in the customary law, known by the locals as Tara Bandu (prohibitions). The objectives of this research are: 1) to find out the potential of coastal and marine resources as well as the extent of their utilization , 2) to determine the values of local wisdom of the coastal communities that have a relationship with the management of coastal and marine resources, 3) to determine the attitudes and behavior of the people as well as components related to management of coastal and marine resources, 4) to obtain management strategies of coastal and marine resources that is based on the local wisdom in the Town of Atauro. This study is a survey research using qualitative descriptive approach combined with SWOT analysis. Data were collected by field observations, interviews, and documentation. While the methods and techniques of data analysis used were qualitative descriptive analysis and SWOT analysis. The research results showed that the values of local wisdom that have a role in the management of coastal and marine resources are the tradition to install traps (bubur), local wisdom of Tara Bandu (prohibition), local wisdom in the Kampung Maquer to prohibit the capture of some types of slow-moving marine life, tradition of baku tasi and baku lai, the tradition of worshipping wooden statues and the Saint Peter’s festival. In the Village of Biqueli, there is a tradition of the prohibitions on smoking, chewing betel nut, and drinking alcoholic beverages in public places. SWOT analysis concluded that the management of coastal and marine resources in the Administrative Town of Atauro is in quadrant / conservative position, i.e. the position of improvement strategies. The strategies used in the management of coastal and marine resources are, a) preparing the regional spatial layout plan (RTRW) with the concept of one island management strategy so that the development programs do not have a negative impact on coastal and marine resources, b) preparing for annual action plans and allocating funds for the provision of facilities and infrastructure, c) human resource development through formal education, training profession, and comparative studies in the more developed areas, d) conducting a study of environmental impacts of coastal development, e) tradition to install traps and lubuk larangan/customary prohibition needs to be done to maintain the harmony of human relationships with the environment, f) giving education and extension programs for public awareness about the conservation of coastal and marine resources.
OIL SPILL DETECTION USING MODIS DATA (CASE STUDY: OIL POLLUTION AT TIMOR SEA) A.A. GEDE PUTRA; Takahiro Osawa; M.S. Mahendra
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 6 No 2 (2011)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

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Abstract

On August 21, 2009 an offshore oil rigs located in Block West Australia territorial was exploded. About 500.000 liters/day of crude oil was spill out to the Timar Sea. To detect the oil spreading, this study used MODIS satellite data from 21 August 2009 until 15 March 2011. Besides that, data of wind speed and wind direction, coordinate of pollutant point sources, and Exclusive Economic Zone (EEZ) line are also used to know the covering area of the oil was entered into Indonesian territorial. The oil was classified by visual interpretation methods, these are: dark spot detection, feature extraction and classification. As the result, oil spill covered area increased since August to September 2009. Oil spill on the sea surface then decreased drastically until November 2009. This was due to dispersant spraying which made the oil settled down. But, when a tropical cyclone occurred in December 2009 and January 2010, the settled oil appear again in sea surface but it spread out in various location. This study shows that MODIS data can be used to monitor spreading of oil spill since no cloud cover. The maximum oil covered area was occurred on 24 September 2009 about 7,996-40 km2
JENIS-JENIS HERBA DAN LIANA DI DESA PELIATAN, UBUD-BALI, KEPERCAYAAN MASYARAKAT DAN MITOS YANG BERKEMBANG TENTANG TUMBUHAN TERSEBUT I Ketut Muksin; A. A. G. Raka Dalem; Martin Joni
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 4 No 1
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

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Abstract

Penelitian dilaksanakan di wilayah Desa Peliatan, Kecamatan Ubud, Kabupaten Gianyar-Bali tahun 2005-2006.Penelitian dilakukan dengan menyelusuri jalur-jalur jalan yang ada di wilayah desa sambil mencatat jenis herba dan lianayang ditemukan. Tumbuhan ini ini kemudian dicek statusnya (dilindungi atau tidak), pemanfaatan, serta mitos yangberkembang dalam masyarakat tentang tumbuhan tersebut. Dari hasil studi ini telah berhasil diidentifkasi 100 jenis herbadan liana. Dilihat dari segi pemanfaatanya, bagian terbesar dari herba dan liana ini, yaitu mencapai 50% pemanfaatannyamerupakan kombinasi dari tanaman hias, bahan makanan, tanaman upakara serta campuran antara tanaman upakara danbahan makanan. Sebanyak 40% dimanfaatkan untuk penggunaan lainnya, serta 10% sisanya merupakan gulma, yangrelatif belum dimanfaatkan secara nyata oleh masyarakat. Dilihat dari segi mitosnya, 12% dari tumbuhan herba dan lianadi Desa Peliatan memiliki mitos. Sepuluh (10) jenis (atau 83% diantaranya) mempunyai mitos atau kepercayaan yangbernilai positif sedangkan yang negatif hanya 2 jenis (17 %). Dilihat dari segi perlindungan, maka dari jenis-jenis herbadan liana tersebut tidak ada yang termasuk jenis-jenis yang dilindungi peraturan perundang-undangan yang berlaku diIndonesia.
PENETAPAN KADAR PENCEMARAN LOGAM Pb DAN Cr PADA IKAN NILA (Oreochromis niloticus) DI MUARA SUNGAI BADUNG N. W. Bogoriani
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 2 No 1
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

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Abstract

The study about determination of Pb and Cr content in nile fishes (Oreochromis niloticus) found atEstuaria Dam (Badung River Downtream) has been carried out. Some samples were taken every week duringhalf a month. Five grams of dried sample was destructed with a mixture of 10 mL concentrated H2SO4 and40 mL concentrated HNO3. The composition of Pb and Cr in the samples was analyzed Atomic AbsorptionSpectrofotometer using Standar Addition Method.The results showed that the content of Pb in the nile fishes was about 10.1910-10.7710 mg/kg wetsamples and it was over the maximum level of 2.0 mg/kg. On the other hand, the content of Cr wasfound(1.3460-2.9640 mg/kg wet samples) to be out of level as well (maximum 0.4 mg/kg).
STUDY OF LAND USE CHANGES AND ITS RELATIONSHIP WITH TEMPERATURE AND DENGUE FEVER IN 2003 AND 2016 OVER JAKARTA PROVINCE USING LANDSAT 7+ETM AND LANDSAT 8 OLI risya lailarahma; I Wayan Sandi Adnyana
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 12 No 1 (2018)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (542.384 KB) | DOI: 10.24843/EJES.2018.v12.i01.p03

Abstract

Land use changes over Jakarta caused by urbanization affected the increasing of infrastructure and decreasing vegetation from 2003 to 2016. This condition reduced water infiltration and caused inundation when heavy rainfall coming. Then Aedes aegypti would breed.and increased which brought dengue fever desease. This study was about analyzing the land use change in Jakarta Province using Landsat image, and its relationship with land surface temperature and dengue fever distribution. The effects of land use change also analysed by this study which including the effects from temperature and dengue fever that analysed by indices of land use in Jakarta at 2003 and 2016. The temperature analysis could be obtained by TIR band in Landsat and using some algortitma which calculated in band math of ENVI software. Vegetation index value’s average decreased from 0.652 in 2003 to 0.647 2016 in 2016. Built up index value’s average increased from -0.03 in 2003 to -0.02 in 2016. While Bareland index value’s average decreased from 0.16 in 2003 to -0.46 in 2016. Land surface temperature increased 3?C from 2003 to 2016. Vegetation area decreased 27.929 ha, bare land area decreased 6.012 ha, while built up area increased 34.278 ha from 2003 to 2016. Increasing of land surface temperature proportional to increasing dengue fever patients 1.187 patients. Increasing of land surface temperature increasing dengue fever cases 1.187 patients. To review and monitor more about the relationship between landuse changes and temperature changes required image with high resolution so that the results obtained more accurate. Complete data of dengue fever per subdistricts also required to analyse further more about relationship between landuse changes, temperature changes, and dengue fever.

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