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INDONESIA
IJEMS (Indonesian Journal of Environmental Management and Sustainability)
Published by ARTS Publishing
ISSN : 25986260     EISSN : 25986279     DOI : -
Core Subject : Health, Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Energy Environmental Science Public Health
This journal aimed to be a platform for academics, regulators, practitioners, and also policy makers to share and discuss how to manage their surrounding environment in order to build and develop a sustainable environment. The scope of this journal includes all issues of fundamental environmental science, management, technology and related fields. In particular, the journal welcomes the following field: Waste and wastewater management, Air, soil, and water pollution, Climate change and its aspects, Natural energy and resources, Environmental policy and Risk analysis and assessment of public health.
Arjuna Subject : -
Articles 5 Documents
 1 
Search results for , issue "Vol. 7 No. 2 (2023): June" : 5 Documents clear
Surveying Medical Mask Waste Generation in Can Tho University, Vietnam Nguyen Thanh Giao; Nguyen Nhu Y; Pham Ngoc Phuong Vy
Indonesian Journal of Environmental Management and Sustainability Vol. 7 No. 2 (2023): June
Publisher : Research Centre of Inorganic Materials and Complexs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijems.2023.7.2.47-55

Abstract

Medical mask waste is generated more and more and causes many negative impacts on the environment and human health. This study was conducted to survey the current status of using and managing medical mask waste by students at Can Tho University, Vietnam. The study conducted by direct interviews with 120 students and field observations of the research area. As a result, students of Can Tho University use about 43,850 masks resulting in 153.475 kg of medical mask waste per day. Medical mask waste was not well classified by students. Understandings of students regarding toxicity and non-biodegradable characteristics of medical masks are relatively high. However, the level of awareness of students about medical mask waste has some limitations, through the way that medical masks are considered as household waste and are not really necessary to pay attention to the classification of medical masks. As can be seen that training on waste classification and associated waste containers are urgently needed for better solid waste management in the university. This research will contribute to enriching scientific data sources in the field of solid waste, especially medical mask waste.
Assessment of Farmer’s Tree Preferences and Their Seasonal Frost Management Practices in Frost-Affected Highlands of Eastern Ethiopia
Indonesian Journal of Environmental Management and Sustainability Vol. 7 No. 2 (2023): June
Publisher : Research Centre of Inorganic Materials and Complexs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijems.2023.7.2.38-46

Abstract

Deforestation, land degradation, and low survival of planted seedlings are serious problems in highland Ethiopia. To address these problems, different land management practices such as afforestation and conservation program have been implemented; however, the success to date limited due to environmental stress and insufficient post-planting care. Therefore, the objective of this study was to investigate farmer’s tree needs and their traditional knowledge of seasonal frost management practices in selected frost-affected highlands of Eastern, Ethiopia. A total of 111 households were randomly selected for interviews on farmer’s tree species preference, frost management practices, and the causes of seedling mortality in the study area. Furthermore, key informant interviews and focus group discussions were used to collect the data. Descriptive statistics were used to analyze the data. The results confirm that season frost (55.6%) followed by free grazing (22.2%), inappropriate species site match (11.1%), and inappropriate planting time (5.6%) were major causes of seedling mortality in the study area. Organic mulch, plant cover, smoking, watering, and manuring were seasonal frost management practices applied by farmer’s to enhance seedlings’ survival in the study areas. However, this indigenous knowledge should be encouraged by the government through improved research, and extension services, to enhance seedlings’ survival in the study areas as well as to introduce it in different frost-prone highlands of Ethiopia. Moreover, species such as Eucalyptus globulus’ Labill, Cupressus lusitanica Mill., Juniperus procera Hochst. ex Endl., Hagenia abyssinica a (Bruce) J.F.Gmel, and Podocarpus falcatus (Thunb.) Mirb. (syn. P. gracilior Pilg.), were suggested as frost-tolerant species in the study area. Therefore, it is recommended that planting these tree species through research and campaign is essential to reduce land degradation in the frost-affected highlands area of the country, particularly in the study area.
Assessment of Toxicological Effects of Triclosan on Microbes, Plants, and Genetic Material in Cells Merry Krisdawati Sipahutar
Indonesian Journal of Environmental Management and Sustainability Vol. 7 No. 2 (2023): June
Publisher : Research Centre of Inorganic Materials and Complexs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijems.2023.7.2.56-61

Abstract

Triclosan is an antiseptic ingredient that is commonly found in numerous personal care items that may end up in the environment. Their ecotoxicological profile, however, is still unknown. The current research aims to determine the toxicity of triclosan on E. coli, Vigna radiata and Crotalaria juncea seeds, and Allium cepa roots. The analyses include toxicity assays for microbes, phytotoxicity, and cytogenotoxicity. The results proposed if the triclosan tested (60-150 µM) became exceedingly harmful to the test bacterium, as seen by the decrease in E. coli CFU, indicated that triclosan had antibacterial properties and inhibited the test microbe, depending on the concentration of triclosan used. Triclosan at concentrations of 40 and 80 µM, respectively, decreased the sprouting length of Vigna radiata and Crotalaria juncea by 45-50% and 70-72%, respectively. Thus, the cytogenotoxicity assay using Allium cepa revealed that triclosan damages the meristematic cells. Triclosan at 40 µM concentration resulted in a 1.2% aberration index and a 10.4% mitotic index, and 80 µM caused a 1.4% aberration index and an 8.8% mitotic index. All of the findings point to triclosan being potentially hazardous to the biota.
Evaluation of Wanggu Watershed Carrying Capacity on Water System Indicators in Southeast Sulawesi, Indonesia Kahirun; La Baco Sudia; La Gandri
Indonesian Journal of Environmental Management and Sustainability Vol. 7 No. 2 (2023): June
Publisher : Research Centre of Inorganic Materials and Complexs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijems.2023.7.2.62-73

Abstract

The water system or hydrological indicators determine the good and bad of a watershed’s carrying capacity. The hydrological indicators include discharge fluctuations, annual flow coefficient, sediment load, flood frequency, and water use index. The purpose of this study was to evaluate the carrying capacity of the Wanggu watershed based on hydrological indicators. The method used is the score and weight method for all hydrological indicator data in accordance with the watershed evaluation guidelines for hydrological indicators. The research data is sourced from primary data and secondary data. Primary data comes from direct observation, while secondary data comes from agencies related to this research. Data analysis using Microsoft Excel in monthly and annual data analysis by producing tables and figures. The results of this study indicate that fluctuations in discharge or the regime coefficient of the Wanggu River Basin are 96.45 which are classified as high, as well as erosion and surface runoff, namely sediment load conditions of 19.73 which are also included in the high category. While the value of the annual flow coefficient is 0.32, the average frequency of flooding every year occurs once in two years and the water use index is 0.69. The three parameters are categorized as being in the middle class. From the accumulated weights and scores of all water system indicator parameters, a value of 111.25 is included in the bad class category. So the Wanggu watershed has a poor carrying capacity value from the water management indicator.
Biodegradable Plastics: Biodegradation Percentage and Potential Microplastic Contamination in Seawater Muhammad Aditya Permana; Hary Widjajanti; Dedi Rohendi
Indonesian Journal of Environmental Management and Sustainability Vol. 7 No. 2 (2023): June
Publisher : Research Centre of Inorganic Materials and Complexs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijems.2023.7.2.74-79

Abstract

Increasing plastic production, which causes the problem of plastic garbage polluting the oceans, has increased the use of biodegradable plastics to address the problem. However, it is still debatable how much microplastic contamination it can cause. So, this study aims to determine the proportion of biodegradable plastics in the marine environment, identify the microplastics it produces, and analyze the relationship between the two. Seawater sampling is located in the Bangka Strait. The research was conducted in the Genetics and Biotechnology Laboratory, Department of Biology, Sriwijaya University. The biodegradable plastic test material used was made from a mixture of polyhydroxyalkanoates (PHA) and starch. Biodegradation test method using standard ASTM D6691-17 with respirometry system design. The stage of microplastic identification is carried out through filtration with a 4.75 mm-size filter; density separation using ZnCl2 solution and Whatman No. 1 filter paper; as well as visual observation of microplastics under a microscope. last Pearson Correlation analysis with bootstrap to see the relationship of the percentage of biodegradation with microplastics. The results obtained in this study were the percentage of biodegradable plastic (26.5±1.4%) and positive control kraft paper (33.2±4.2%) for 70 days, which produced 9 microplastic particles from biodegradable plastic with fragment and film types. Correlation analysis concluded that there was no relationship between the percentage of biodegradation and the microplastics produced.

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