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Juliansyah Harahap
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INDONESIA
IJES : Indonesian Journal of Environmental Sustainability.
Published by Universitas Islam Negeri Ar-Raniry Banda Aceh
ISSN : 3046885X     EISSN : 3046885X     DOI : https://doi.org/10.22373/ijes.v1i2
Core Subject : Science, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Energy Engineering
IJES : Indonesian Journal of Environmental Sustainability is a journal published by Center for Environmental Studies Universitas Islam Negeri Ar-Raniry, Banda Aceh, Indonesia. The journal publishes research articles, conceptual articles, and book reviews of environmental studies and sustainability development issues (See Focus and Scope). The articles of this journal are published 2 times a year; June and December. From the beginning of its publication in 2023, IJES has been registered with Crossref. All articles published by IJES have a DOI number. IJES is also indexed by Google Scholar, Garuda, Moraref, and more indexing please go here.
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Teknik Lingkungan
Articles 56 Documents
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RESISTANCE OF Aedes aegypti TO ORGANOPHOSPHATE INSECTICIDES IN MAGETAN DISTRICT, EAST JAVA, INDONESIA Susi Nurweni; Hari Kusnanto; Prima Widayani; Sitti Rahmah Umniyati
Indonesian Journal of Environmental Sustainability Vol. 3 No. 1 (2025): June 2025
Publisher : Center for Environmental Studies, Universitas Islam Negeri Ar-Raniry Banda Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/ijes.v3i1.7652

Abstract

Dengue haemorrhagic fever (DHF) is one of the infectious diseases transmitted through the mosquito vector Aedes sp. Dengue disease management is still aimed at controlling the vector (Aedes aegypti) using organophosphate insecticides malation and temefos. In Magetan District, there is no report on the resistance of Ae. aegypti to organophosphate insecticides or mapping of Ae. aegypti resistance to these insecticides. The results of this research are determine the resistance of Ae. aegypti to organophosphate insecticides. The resistance system was established by biochemical test based on the activity of non-specific esterase enzyme against organophosphate insecticides in Magetan District using Arc GIS tool. The results of this study showed that Ae. aegypti in four working areas of Candirejo Health Centre from 14 villages 10 villages (71.42%) have been resistant to organophosphate insecticides, while in Taji from 11 villages 7 villages (63.63%) are resistant, in Plaosan 100% are resistant and in Ngujung from 7 villages, 3 villages (42.28%) are resistant.  The use of insecticides for a long period of time is not effective in eliminating dengue fever vectors because it can cause resistance. Based on the results of this study, it is necessary to monitor and evaluate the use of insecticides in dengue vector control as a programme at the Magetan District Health Office, so that the right insecticide can be selected for Ae. aegypti control.
COD REMOVAL PERFORMANCE USING COMBINATION OF SPENT COFFEE GROUNDS ACTIVATED CARBON AND RIVER SAND AS FILTRATION MEDIA IN TOFU INDUSTRIAL WASTEWATER Arief Rahman; Mulyadi Abdul Wahid; Sapriyadi
Indonesian Journal of Environmental Sustainability Vol. 3 No. 1 (2025): June 2025
Publisher : Center for Environmental Studies, Universitas Islam Negeri Ar-Raniry Banda Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/ijes.v3i1.7663

Abstract

Tofu industrial wastewater contains a high level of chemical oxygen demand (COD), which may cause negative impacts if not treated before being discharged into the environment. Filtration is one of the simple and effective methods for COD removal in tofu industrial wastewater, utilizing filtration media such as sand and activated carbon. The objective of this research is to evaluate the performance of spent coffee grounds (SCG) activated carbon and river sand as filtration media in COD removal from tofu industrial wastewater. The research was carried out using a dual media filtration unit composed of SCG activated carbon and river sand, with media thicknesses of 15 cm and 30 cm, respectively. The results show that the combination of SCG activated carbon and river sand as filtration media can reduce the COD level in tofu industrial wastewater from 928 mg/L to 307 mg/L (66.92%), although it still does not meet the quality standard (300 mg/L). Based on the findings, it can be concluded that the combination of SCG activated carbon and river sand has the potential to lower COD levels in tofu industrial wastewater, but further improvement is required to enhance its effectiveness.
CHARACTERISTICS AND CONCENTRATION OF AIRBORNE FUNGI IN PUBLIC BUS TRANSPORTATION IN BANDA ACEH CITY, ACEH PROVINCE Lubis, Syafrina Sari; Mehram Maina
Indonesian Journal of Environmental Sustainability Vol. 3 No. 1 (2025): June 2025
Publisher : Center for Environmental Studies, Universitas Islam Negeri Ar-Raniry Banda Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/ijes.v3i1.7688

Abstract

Airborne fungi are one of the common pollutants that spread through the air and frequently found in public bus transportation. Their transmission of airborne fungi can have an impact on health and is considered an important public health problem. The presence of airborne fungi can cause various respiratory diseases such as asthma, bronchopulmonary infections, rhinitis and other allergic symptoms. The concentration of airborne fungi in buses has a significant correlation between the level of fungi and the number of passengers. High concentrations of fungi in transportation can affect human health. The purpose of this study was to determine the concentration of airborne fungi in buses and the types of fungi in the air on buses that had just arrived and those that were about to depart for Medan. The sampling method used for collecting airborne fungi is the probability sampling technique, especially by using the random sampling technique and the open plate technique which is left open for 15 minutes while measuring physical factors such as temperature, humidity, light intensity and number of passengers. Samples were taken from 3 buses X, Y and Z found on public transportation buses. The results of this study obtained the concentration of fungi in the air on buses that had just arrived and those that were leaving for Medan reaching 105, 9 CFU/m3 on bus X, 70, 6 CFU/m3 and 141, 2 CFU/m3 on bus Y, and 46, 9 CFU/m3 and 151, 8 CFU/m3 on bus Z, meaning that these values ​​do not exceed the indoor air quality standards set by WHO of < 500 CFU/m3. The types of airborne fungi on buses X, Y and Z are Alternaria sp., Aspergillus sp., A. niger, A. flavus, A. fumigatus, Penicillium sp., Clasdoporium sp., C. clasporioides, dan Acremonium sp.
THE INFLUENCE OF GARDEN ON PSYCHOLOGICAL COMFORT WITHIN THE HEALING ENVIRONMENT CONCEPT (CASE STUDY : ZAINOEL ABIDIN HOSPITAL PARK) Meutia, Zya Dyena; yasnibar
Indonesian Journal of Environmental Sustainability Vol. 3 No. 1 (2025): June 2025
Publisher : Center for Environmental Studies, Universitas Islam Negeri Ar-Raniry Banda Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/ijes.v3i1.7716

Abstract

Zainoel Abidin Hospital has implemented a garden surrounding its premises to promote comfort, aesthetics, and safety. One approach to creating comfort in a hospital environment is by organizing and managing the space in both functional and aesthetic ways. This study aims to explore the perceptions of hospital users regarding the influence of the garden on their psychological comfort, based on the concept of a healing environment. The object of this study is the garden at Zainoel Abidin Hospital, with informants consisting of 10 individuals, 5 patients and 5 visitors. The method used is qualitative descriptive, with data collection techniques including observation, interviews, and documentation. The results of the study, as seen from the interviews with garden users, indicate that the presence of a garden in the hospital provides greater benefits than merely enhancing aesthetic value. Informants noted that while some users found the garden calming and beneficial, others expressed discomfort due to inadequate facilities within the garden area.
A REVIEW: SEAWEEDS POTENTIAL AS METAL ABSORPTION AGENTS IN AQUATIC ENVIRONMENTS Bhernama, Bhayu Gita
Indonesian Journal of Environmental Sustainability Vol. 3 No. 1 (2025): June 2025
Publisher : Center for Environmental Studies, Universitas Islam Negeri Ar-Raniry Banda Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/ijes.v3i1.7783

Abstract

Heavy metal pollution in aquatic environments is an issue that threatens aquatic ecosystems. One natural solution to overcome this problem is to utilize seaweed as a heavy metal absorbing agent. Seaweed is capable of absorbing heavy metals such as cadmium (Cd), lead (Pb), arsenic (As), copper (Cu), and zinc (Zn) through interactions on their cell walls. Types of seaweed that have been studied by many researchers such as Gracilaria sp., Caulerpa racemosa, Ulva sp., Pandina australis, Kappaphycus alvarezii, Codium fragile and Eucheuma spinosum have demonstrated varying but significant effectiveness in absorbing heavy metals. It can be concluded that seaweed has great potential to be used as an environmentally friendly absorbing agent and can serve as a bioindicator of aquatic environment quality.
THE CRUCIAL ROLE OF MICROORGANISMS IN GLOBAL BIOGEOCHEMICAL CYCLES: MECHANISMS, INTERACTIONS, AND ENVIRONMENTAL IMPLICATIONS Sardi, Arif
Indonesian Journal of Environmental Sustainability Vol. 3 No. 1 (2025): June 2025
Publisher : Center for Environmental Studies, Universitas Islam Negeri Ar-Raniry Banda Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/ijes.v3i1.7802

Abstract

This study outlines the fundamental role of microorganisms including bacteria, archaea, and fungi as primary drivers of global biogeochemical cycles. Data were collected through a comprehensive literature review of various scientific databases, covering recent publications on the contribution of microorganisms to biogeochemical cycles. It explores how microorganisms facilitate the transformation of essential elements such as carbon, nitrogen, phosphorus, and sulfur through various metabolic pathways, ranging from atmospheric gas fixation to the decomposition of complex organic matter. It also highlights environmental factors that influence microbial activity, as well as the ecological and environmental implications of their roles, including contributions to climate regulation, soil fertility, environmental purification, and the impact of anthropogenic activities. A comprehensive understanding of microbial ecology is crucial for predicting and managing environmental systems amid global challenges such as climate change and pollution.
THE EFFECT OF VARIATIONS OF CHITOSAN BIOCOAGULANTS FROM MUJAIR (Oreochromis mossambicus) FISH SCALE WASTE IN REDUCING VEHICLE WASH WATER POLLUTION Arfi, Febrina; Mufliha, Varisa
Indonesian Journal of Environmental Sustainability Vol. 1 No. 1 (2023): June 2023
Publisher : Center for Environmental Studies, Universitas Islam Negeri Ar-Raniry Banda Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/ijes.v1i1.3849

Abstract

Car wash services in Indonesia are becoming increasingly popular in urban areas. One of them is a vehicle washing business in Kuta Raja District, Banda Aceh. However, vehicle washing services not only increase regional income, but also produce vehicle washing liquid waste which can reduce environmental quality. So it is necessary to process liquid waste, one of which is by using tilapia fish scale chitosan. This research aims to determine the value of the best coagulant dose of chitosan mass in reducing COD, TSS and Phosphate pollutants in vehicle washing waste. The dose determination method is carried out by varying the dose to 10 mg/L, 20 mg/L and 30 mg/L for each with a combination of fast stirring at 120 rpm for 30 minutes and slow stirring at 90 rpm for 40 minutes. The results of the study showed that the best dose for reducing COD parameters was the use of a dose of 20 mg/L, then the best mass for reducing TSS parameters was the use of a dose of 30 mg/L and the effectiveness of reducing COD levels were 81.53%, then the reduction in TSS levels was 88.11%. . In phosphate there is an increase in concentration with each dose given. The addition of chitosan to COD, TSS and Phosphate depends on the optimum dose found in vehicle washing wastewater. Thus, processing vehicle washing liquid waste using tilapia fish scale chitosan using the flocculation-coagulation method is able to reduce the concentration of the parameters.
COMPARISON OF THE ADDITION OF EM4 ACTIVATOR AND ORGANIC LEACHATE WATER IN COMPOSTING EMPTY BUNCHES PALM OIL Yahya, Husnawati; Yusri, Alfis
Indonesian Journal of Environmental Sustainability Vol. 1 No. 1 (2023): June 2023
Publisher : Center for Environmental Studies, Universitas Islam Negeri Ar-Raniry Banda Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/ijes.v1i1.3850

Abstract

Palm oil processing resulting empty fruit bunch waste that has a high organic content. Empty fruit bunches produce up to 6 million tons of waste per year and this waste has not been widely utilized so that can become an environmental problem such as pollution in the future. Alternative way to utilize the wastes is by converting them into organic fertilizer or compost. Therefore, this study aims to analyse and compare the results of EM4 activator composting by using leachate activators, the effect of composting time for each activator and the quality of compost referring to SNI 19-7030-2004. In this study, the composting process was carried out for 21 days with three experiments that include without treatment, by adding 1 litre of EM4 activator and by adding of 1 litre leachate water. The parameters measured were physical, temperature, humidity, pH, C, N, P, K and C/N-ratio. The results of this study indicate that composting with EM4 activator resulting composting pH level of 4.4 - 6.2, humidity of 1.5 - 70%, temperature of 29-38 °C, brownish black in colour, rough and hard in textures and soil-like (earthy) smell while composting using leachate water has a pH of 4.6 - 6.5, humidity of 3.9 - 80%, temperature of 29-38 °C and brownish black in colour, rough texture and slightly stink. Compost with EM4 activator was showing a faster composting time than using leachate. In term of quality, the composting by using EM4 activator produced higher quality compost compared to leachate activator composting with compost quality close to SNI 19-730-2004 requirement.
SYSTEM MANAGEMENT OF FORAGE PRODUCTION BY SIMULATING MILD DROUGHT PRIMING Raharto, Razzaqi Hatmawira Rabbani; Wibowo, Yehezkiel Reynard; Febry, Purwasih Ajoe; Muchamad Muchlas
Indonesian Journal of Environmental Sustainability Vol. 1 No. 1 (2023): June 2023
Publisher : Center for Environmental Studies, Universitas Islam Negeri Ar-Raniry Banda Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/ijes.v1i1.3983

Abstract

This study presents a case study analysis that examines the use of artificial intelligence and internet of to enhance forage production. The study based on case study of Ngajum’s Dairy Farm in Malang regency, which faceslimitations in forage production during the dry season. Through a qualitative and quantitative investigation, this research aims to provide insights into the multifaceted effects of how the application of Artificial Intelligence and the Internet of Things modulate genetic imprinting in forage production. Mild drought priming involves subjecting plantsto controlled, suboptimal water conditions for a short period. This technique triggers a series of physiological responses in plants, leading to increased stress tolerance and improved overall performance when exposed to subsequent drought stress. AI, with its data analysis capabilities, can process a vast amount of environmental data,including soil moisture levels, weather forecasts, and plant responses. IoT devices, equipped with sensors and actuators, provide the means to collect and transmit essential data from the field. The present results deduced that priming with mild drought using artificial intelligence and internet of things might effectively improve drought tolerance in forage, thus increasing the forage production to support dairy farmers in Indonesia.
IDENTIFICATION OF FUNGI IN CAMPUS TOILET BATHROOM WATER Maulida, Rizkha Cahya; Lubis, Syafrina Sari; Hidayat, Muslich
Indonesian Journal of Environmental Sustainability Vol. 1 No. 1 (2023): June 2023
Publisher : Center for Environmental Studies, Universitas Islam Negeri Ar-Raniry Banda Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/ijes.v1i1.4143

Abstract

The recognition of the health risks associated with fungal contamination in water is increasingly important in terms of microbiological safety and water quality. Fungus is one type of microorganism that can cause disease in humans. As cosmopolitan living things, fungi can be found anywhere close to human existence, be it in water, soil, air, or even in the human body. The purpose of this study was to determine the total number of colonies and the characteristics of pathogenic fungi in bathroom water at UIN Ar-Raniry campus public toilet facilities. This study used bathroom water samples taken at 5 different points. Water samples were taken as much as 0.5 ml and then isolated into Potato Dextrose Agar (PDA) media using the spread plate method. After 7 days of incubation, the total number of colonies was counted and the identification of the fungi was carried out to determine the macroscopic and microscopic characteristics of the fungi. The results of the study of fungal isolation on PDA media were the total colonies obtained from 5 different locations, namely 60 colonies, 47 colonies, 25 colonies, 29 colonies and 46 colonies. The identification results of 31 pure isolates found species namely Aspergillus sp., Aspergillus niger, A. fumigatus, A. flavus, Penicillium sp., and Mucor sp.

Page 4 of 6 | Total Record : 56

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