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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Unram Journal of Community Service (UJCS)
Heri Sulistiyono
University of Mataram
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Physics Social Sciences

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Improvement of Mushroom Business Management Technique Heri Sulistiyono; Muazar Habibi; Yayuk Andayani; H Sudirman; A.J. Fathiyyah; Zakee Niseng
Unram Journal of Community Service Vol. 6 No. 4 (2025): December
Publisher : Pascasarjana Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ujcs.v6i4.1210

Abstract

Sembalun Bumbung Village faces significant challenges in maintaining a stable food supply and achieving economic resilience due to its location in a disaster-prone area. The region is at risk, making it dangerous to clear new land for agricultural cultivation. To address these issues, the Sembalun Mushroom Initiative aims to enhance food security and disaster resilience in the village by improving the quality of mushroom products and providing support in business management. The cultivation of straw mushrooms presents an alternative agricultural development that can support food security and boost the local economy. The advantages of straw mushroom cultivation include the fact that it does not require clearing new land or forests, and it typically yields good market prices. However, farmers in Sembalun Bumbung Village currently lack the knowledge and technology necessary to produce high-quality straw mushrooms and manage their businesses effectively. To help overcome these challenges, a community service team from the University of Mataram is assisting with advanced cultivation technology and business management practices. Their efforts include developing training programs that cover business management, marketing strategies, and resource management.
Simple Downflow Water Filtration System in Sasake Village Heri Sulistiyono; Anid Supriyadi; Yusron Saadi; Pathurahman; Akmaluddin; Hardi Pratomo
Unram Journal of Community Service Vol. 6 No. 4 (2025): December
Publisher : Pascasarjana Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ujcs.v6i4.1219

Abstract

The availability of clean water needs to be a special concern in the community, because there are several cases in various regions in Indonesia where the availability of clean water sources becomes difficult to obtain during the long dry season, one of which is in the West Nusa Tenggara region, specifically in Sasake Village, Praya Tengah District, Central Lombok Regency. The main water source used in Sasake Village is PDAM water. However, in recent years, several villages in Central Lombok Regency have experienced drought, making it difficult to obtain clean water. The BPBD of Central Lombok Regency must prepare clean water at the peak of the dry season for several villages, including Sasake Village. Alternative water sources in Sasake Village are wells and the Batujai Reservoir. However, at the peak of the dry season, the water in several wells becomes cloudy and smelly, so residents cannot use it as clean water. This community service initiative seeks to implement a user-friendly downflow water filtration system designed for community-level ownership, operation, and maintenance. The design of this filter uses a 4" PVC pipe containing filter media, including sand, palm fiber, charcoal (activated carbon), and cotton. This physical water purification process excludes chemical and biological reactions, relying instead on gravity-driven separation of suspended solids from the fluid phase. Based on the filtering results, it is known that this tool can reduce turbidity concentration by 69.3% and eliminate odors. According to the evaluation results of the counseling participants, there has been a significant increase in understanding of simple water filtration methods. Counseling regarding this water filtration tool is crucial so that the community can overcome clean water problems independently.
Analysis of Meteorological Drought Propagation to Hydrological Drought in the Tarei Watershed, Sumbawa River Basin Muhammad Qolby Nuro; I Wayan Yasa; Heri Sulistiyono
Jurnal Penelitian Pendidikan IPA Vol 12 No 9 (2026)
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v12i9.15634

Abstract

Drought is a type of natural disaster that progresses slowly and persists over an extended period until the rainy season arrives. Deficit in precipitation is referred to as meteorological drought, deficiency in soil moisture is defined as agricultural drought, and shortages in groundwater, river streamflow, and lake storage are known as hydrological drought. Monitoring and predicting drought are crucial activities to anticipate and mitigate its impacts. This study aims to determine the drought indices and the propagation of meteorological drought into hydrological drought in the Tarei Watershed using the Standardized Precipitation Index (SPI) and Standardized Streamflow Index (SSI) methods. The SPI and SSI methods can identify potential droughts, as precipitation and discharge are the primary indicators of meteorological and hydrological droughts, respectively. The propagation of meteorological drought to hydrological drought was then analyzed using Pearson Correlation. The drought analysis using the SPI method in the Tarei Watershed revealed that the "exceptionally dry" category occurred in December 2001, February 2004, March 2012, and January 2023, with drought indices of -2.445, -2.633, -2.332, and -2.177, respectively. Meanwhile, using the SSI method, hydrological drought in the Tarei Watershed under the "exceptionally dry" category occurred in March 2022, October 2023, March 2024, and March 2025, with drought indices of -3.515, -2.773, -3.048, and -2.425, respectively. Drought propagation was evaluated by correlating SPI values against SSI using 1-month, 2-month, and 3-month time steps. The highest 1-month correlation occurred at a 0-month lag with a value of 0.683, while the 2-month and 3-month methods yielded the highest correlation values of 0.955 and 0.950, respectively. These results indicate a strong correlation between hydrological and meteorological drought in the Tarei Watershed, which can serve as a guideline for anticipating hydrological drought
Co-Authors A.J. Fathiyyah Akmaluddin Anid Supriyadi H Sudirman Hardi Pratomo I Wayan Yasa Muazar Habibi Muhammad Qolby Nuro Pathurahman Yayuk Andayani Yusron Saadi Zakee Niseng