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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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STUDI EKOLOGI PENGOLAHAN GARAM TRADISIONAL KABUREA BERBASIS KEARIFAN LOKAL DI DESA TENDAKINDE, FLORES Hermina Sena; Made Sudiana Mahendra; I Wayan Suarna
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 17 No 1 (2023)
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.2023.v17.i01.p05

Abstract

Tendakinde Village is a village located in Nagekeo Regency, and has coastal resources, namely traditional salt production. Knowledge in processing patterns is quite extensive, as to be able to make salt production a regional icon, a strategy is needed that can process natural resources properly. The purpose of this study is to examine traditional Kaburea salt processing techniques based on local wisdom, to determine the impact of climate change on salt production, to understand and develop strategies for the existence of traditional Kaburea salt processing. Data collected through literature, observation, focus group discussion with 15 participants, interviews with 8 informants, and questionnaires. The sample used in the questionnaire is 30 samples. The data obtained is then processed using the IFE matrix, EFE matrix, and SWOT analysis. Traditional salt processing is shown in the process of preparation to production of salt through rules which then become a habit (local wisdom). The basic materials for the facilities used are wood and bamboo, then the raw materials for salt production are sea water which is collected in wells. However, climate change is a bad influence on the quality of salt, therefore it is necessary to work together from the government and Kaburea salt farmers in permanently repairing the embankment. The results of the analysis of the IFE matrix and the EFE matrix show that Kaburea's traditional salt processing is in a grow and build position, meaning that the development of the salt business must be maintained amidst its growth rate. Based on the results of the SWOT analysis, 12 alternative strategies were obtained that the Kaburea salt farmers were expected to be able to implement strategies according to their abilities and circumstances. Keywords: Ecology; Local Wisdom; Traditional Salt; Strategy
ANALISIS STATUS MUTU AIR SUNGAI KARANG MUMUS SEGMEN JEMBATAN S. PARMAN DAN JEMBATAN PERNIAGAAN KOTA SAMARINDA Rini Ariesa Puspa; Vita Pramaningsih; Andi Daramusseng
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 17 No 1 (2023)
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.2023.v17.i01.p10

Abstract

Karang Mumus is a river that is widely used by the community for various activities to meet the needs of life such as bathing, washing and as a source of drinking water. This causes water quality to decline and results in health impacts on river users. The purpose of this study was to analyze the water quality status of the Karang Mumus River Segment of the S. Parman Bridge and the Perniagaan Bridge of Samarinda City. This research is an observational descriptive study, which is to find out what are the potential sources of pollution in river water, find out how the quality of river water is using the Pollution Index method and find out the health impacts caused by river water. The research shows that the sources of pollution in the S. Parman Bridge and Perniagaan Bridge segments come from household and industrial activities. The status of river water quality in the S. Parman Bridge and Perniagaan Bridge segments has light and heavy polluted categories with 4 parameters that do not meet the quality standards, namely, TSS, COD, DO, and Fecal Coli. The health impacts caused by using river water in the S. Parman Bridge segment and Perniagaan are diarrhea, dysentery and skin irritation. The largest percentage of diseases experienced by the people of the river area of the S. Parman Bridge segment is diarrhea by 30%, while in the Perniagaan Bridge segment, skin irritation is 40%. Keywords: Karang Mumus River; Pollution Index; Water Quality
A SPATIAL STUDY OF LAND AND FOREST FIRE-PRONE AREAS IN SITUBONDO REGENCY, EAST JAVA PROVINCE Haeropan Daniko Putra; Masita Dwi Mandini Manessa; Rokhmatulloh Rokhmatulloh; Anisya Feby Efriana; Muhammad Haidar
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 17 No 1 (2023)
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.2023.v17.i01.p01

Abstract

The increasing area of land burned in 2021 makes the government urgent to map areas prone to forest fires in Situbondo Regency. This study analyzes areas prone to forest and land fires using the SMCA method. The research analysis used variables of land cover type, the greenness of vegetation, vegetation humidity, land surface temperature, and human factors. The human elements in question are accessibility (distance from the road network) and distance from human activities (distance from settlements, fields, and plantations). The conclusion analysis of forest fire-prone areas is divided into three classes that are high, medium, and low. From the vulnerability model that has emerged, it was found that most of Situbondo Regency have a high grade of forest fire vulnerability with an area of 652.66 km² (39.08%). The areas with the level of vulnerability of the middle, low, and non-vulnerable classes, respectively, are 532.12 km² (31.87%), 306.46 km² (18.35%), and 178.65 km² (10, 70%). The results of statistical tests using the ordinal logistic regression method show that natural factors for forest and land fires had a higher level of influence (? = 4.824) on forest and land fire vulnerability compared to human factors (? = 1.051). Keywords: Forest and Land Fires; GMA method; Natural Factors; Human Factor
PREDIKSI EROSI DAN PERENCANAAN KONSERVASI TANAH DAN AIR DI DAERAH ALIRAN SUNGAI PAKERISAN PROVINSI BALI Ni Wayan Suprianingsih; I Wayan Sandi Adnyana; I Wayan Diara
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 17 No 1 (2023)
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.2023.v17.i01.p06

Abstract

Pakerisan watershed is one of the watershed that has not followed the rules of soil and water conservation. This can destroy soil aggregates and cause high erosion. This study aims to predict the level of erosion and to plan soil and water conservation. Erosion prediction uses the USLE (Universal Soil Loss Equation). The prediction erosion showed that erosion is classified from slight to severe. The erosion rate is very light covering an area of 6,426.26 ha (71.28%) with natural forests, dryland agriculture, and paddy fields. The moderate erosion rate is 583.83 ha (6.48 %) on dryland and paddy fields farming. The severe erosion rate is 1,087.99 ha (12.07%) on land use in the form of dryland agriculture. The very severe erosion covering an area of 916.85 (10.17%) with the use of dryland agriculture. Conservation planning can be carried out by increasing vegetation density, adding mulch and conservation measures of making terraces with good construction. Keywords: Soil; Prediction Erosion; Conservation; Watershed
MODEL ANALISIS DYNAMIC LIMBAH MEDIS RUMAH SAKIT DI DENPASAR BALI Maulidiyah Nurma Alfiyanti; Ni Made Utami Dwipayanti; I Made Sara Wijana
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 17 No 1 (2023)
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.2023.v17.i01.p11

Abstract

Denpasar has 18 hospitals, 11 health centers, and 25 sub-health centers located at South Denpasar, East Denpasar, West Denpasar, and North Denpasar (Dinkes, 2020). The average medical waste generated every day is 1800 kg/day or 1.8 tons day (DLHK, 2018). The methods to develop solid medical waste management include minimizing medical waste from its source, sorting, storing, reusing and recycling, collecting, transporting, storing, processing, and destroying it (Health Ministry of the Republic of Indonesia, 2018). Dynamic analysis is the right approach to examine a complex problem with limited data. This research uses quantitative and qualitative based on primary and secondary data. Research where located in 15 public hospitals in Denpasar City. The time of research starts in November – December 2021 with a prediction period of 10 years until 2030. According to the result he weight of solid medical waste increased from year to year. In 2022 the weight of medical waste was redicted to reach 727.75 kg or 730 tons. The weight of solid medical waste becomes 436.136 kg or 436 tons with a 40% reduction policy implemented in its entirety. The cost aspect of simulation without hospital policy will cost more than IDR 9 billion per year. The proposed solution to maximize the combination of solid medical waste reduction and management policies in Bali. These efforts can minimize costs and reduce the production of solid medical waste from source to utilization. Keywords: Dynamic Analysis Model, Technical Aspect, Hospital, Medical Waste
PEMANFAATAN CITRA SATELIT DAN SISTEM INFORMASI GEOGRAFIS UNTUK PEMETAAN KESESUAIAN AGROKLIMAT TANAMAN JAGUNG DI PROVINSI JAWA TENGAH Apritarum Fadianika; I Wayan Nuarsa; I Ketut Sardiana
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 17 No 1 (2023)
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.2023.v17.i01.p02

Abstract

Corn is a strategic agricultural commodity in Central Java Province because this plant is the second main food crop commodity after rice. Evaluation of agro-climate suitability aims to assess suitable areas based on climatic conditions and efforts to overcome climate-limiting factors in order to achieve optimal productivity in corn cultivation. Satellite imagery can be used to overcome the lack of density of climate stations, which are the source of data for climate suitability evaluation. This study aims to validate GSMaP satellite rainfall data and Terra MODIS satellite air temperature data against BMKG observation data, create a distribution map of climatic conditions, and create a distribution map of agro-climate suitability classes based on GIS for maize in Central Java Province. This study uses rainfall and temperature data from 30 BMKG observation points and satellite imagery data for 20 years (2001–2020). The correlation values, RMSE, and MBE were calculated to validate satellite rainfall and air temperature data with observed rainfall and air temperature. Satellite data correction calculations are used to fill in the data at points without observation. The validation results show that the satellite data is valid and that there is a pattern of conformity with the observational data. Central Java province has an annual rainfall of 1,500 mm/year to 6,000 mm/year, an average annual temperature of 24.9oC to 28.1oC, and three to nine months of wet months. In some areas, the agro-climate suitability class for maize plants was in the moderately suitable category (S2wa, tc) with an area of 156,302 ha, marginally suitable (S3wa) with an area of 1,277,813 ha, and not suitable (Nwa) with an area of 2,008,673 ha. Keywords: Corn; GSMaP; Terra MODIS; Climate Suitability; GIS
ANALISIS DISPERSI EMISI CEROBONG PEMBANGKIT LISTRIK DI PT. INDONESIA POWER BALI PGU PESANGGARAN I Wayan Gde Sutasoma; I Wayan Nuarsa; I Made Sara Wijana
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 17 No 1 (2023)
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.2023.v17.i01.p07

Abstract

Air as an important environmental component in life that needs to be maintained and improved in quality. The presence of human activity causes the composition of clean air to undergo changes. Air pollution is caused by several factors. One of them is the industrial activities of power plants that use fossil fuels and natural gas. This research was conducted to monitor the distribution of emissions produced by power plants in PT. Indonesia Power Bali PGU uses Geographic Information System (GIS) technology and is validated using the paired t-test method. The result is that the direction of distribution of each emission parameter (SO2, NO2 and Dust (TSP)) follows the wind direction according to data obtained from BMKG with a downward trend according to the distance traveled. This is because emissions are propagated by wind with dispersion variables at any given distance. The degree of validity of the modeling analysis with the results of ambient air quality measurements at each monitoring point of the SO2 and NO2 parameters is no difference between the results obtained. However, for dust parameters (TSP) there are significant differences. This is due to atmospheric conditions at the time of sampling, the location of the monitoring point surrounded by buildings, 1 sample point being on the side of the highway, and community activities around the monitoring point location. Keywords: Power Plant Emission; Air Quaity Control; Geographic Information System (GIS); Gaussian Disperssion
EVALUASI SISTEM DAN DAMPAK LINGKUNGAN PENGELOLAAN AIR TERPRODUKSI PADA SUMUR X1 PT MGBI LAPANGAN WUNUT Dhana J, Ida Bagus; Budiarsa Suyasa, I Wayan; Sara Wijana, I Made
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 18 No 1 (2024)
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.2024.v18.i01.p02

Abstract

PT Minarak Gas Brantas Inc.'s operations in the Wunut Field involve the production of waste in various forms, primarily liquid waste, with produced water being the most significant type. Proper management of this produced water waste is crucial to prevent environmental pollution and ensure economic and environmental sustainability. The company manages this waste by reinjecting it into the reservoir to prevent groundwater contamination. To ensure the effectiveness of this reinjection process, they have created a groundwater flow pattern map (flow net) at three locations near the injection well: LP1 in Keduung Boto Village, LP2 in Candi Pari Village, and LP3 in Candi Pari Village, all in Sidoarjo Regency. This helps in understanding the potential spread of pollutants in the soil and underground water, aiding in environmental pollution monitoring and managment.The groundwater from this area is used for various human activities like bathing, cooking, and washing. However, based on water quality standards outlined in Ministry of Health Regulation No. 2 of 2023, the produced water from Well X-1 in the Wunut Field does not meet the required TDS (Total Dissolved Solids) content standards due to a decline in hydrocarbon fluid production, resulting in a separator efficiency of 74,86%. Additionally, lab tests and flow net results indicate that the TDS levels in LP1, LP2, and LP3 do not meet the sanitation and hygiene water quality standards, suggesting potential seepage in these locations that could contaminate groundwater. Keywords: Oil; Gas Produced Water; Gas Separator Eficiency; Groundwater Flow
KAJIAN KUALITAS AIR DI PERAIRAN DESA SUMBERKIMA DAN DESA PEMUTERAN, KECAMATAN GEROKGAK, KABUPATEN BULELENG, PROVINSI BALI Logan, Axel Gilbert; Manessa, Masita Dwi Mandini; Dimyati, Muhammad; Efriana, Anisya Feby; Haidar, Muhammad
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 17 No 2 (2023)
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.2023.v17.i02.p04

Abstract

Water quality has a significant impact on aquaculture productivity. Water quality characteristics influence fishing production. This study employs numerous prior research techniques to assess air quality factors such as Total Suspend Solid (TSS), salinity, Sea Surface Temperature (SST), and dissolved oxygen. However, physical elements such as rainfall, which are separated into wet and dry months in this study, have an impact on water quality. The approach was developed using Landsat-8 OLI satellite images. The algorithm's output is validated for data accuracy using Pearson correlation, root mean square error (RMSE), and R-square. The findings suggest that the distribution of water quality in dry and rainy months is low in coastal areas and high in locations adjacent to open waters. Furthermore, it was discovered that the average value of the distribution of TSS in dry months was lower than in wet months, the mean value of the distribution of salinity in dry months was higher than in wet months, the average value of the SST distribution in dry months was higher than in wet months, and the mean value of the dissolved oxygen distribution in dry months was lower than in wet months. Keywords: Water suitability; Landsat-8; Water Quality; Remote Sensing
KEMAMPUAN DAYA DUKUNG WISATA DAN KEPUASAN WISATAWAN DI NUSA LEMBONGAN Istacahyani, Ida Ayu Modasih; Sunarta, I Nyoman; Sukewijaya, I Made
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 18 No 1 (2024)
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.2024.v18.i01.p07

Abstract

This study investigates the tourism carrying capacity and factors influencing tourist satisfaction in Nusa Lembongan, emphasizing the importance of preserving its environmental quality. Using a mixed-methods approach with 110 respondents, the research identifies a daily carrying capacity of 12.044 visits, with observed visits in August surpassing the sustainable limit. The findings highlight the correlation between cleanliness, security, facilities, and attractions with heightened tourist satisfaction. Recommendations include addressing plastic waste concerns and fostering intergovernmental cooperation for sustainable tourism development. This study contributes valuable insights for preserving Nusa Lembongan's allure, emphasizing the delicate balance between tourism and environmental conservation to ensure prolonged visitor interest and satisfaction. Keywords: Tourism, Carrying, Capacity, Tourist, Satisfaction

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