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Supardiono, Supardiono
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Monitoring Kualitas Air Berdasarkan Parameter Fisika, Kimia, dan Biologi di Sungai Belimbing, Lombok Timur Jupri, Ahmad; Aisyah, Nurul; Supardiono, Supardiono; Hidayati, Lilik; Fadli, Fadli; Husain, Pahmi
Educatoria : Jurnal Ilmiah Ilmu Pendidikan Vol. 5 No. 3 (2025): July
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/educatoria.v5i3.712

Abstract

River water quality monitoring is necessary to maintain the sustainability of aquatic ecosystems and ensure the availability of clean water. The Belimbing River in East Lombok Regency has the potential to experience quality decline due to domestic and agricultural activities in the surrounding area. This study was conducted in the dry season (April) and the rainy season (October) 2024 with sampling at three points (upstream, middle, and downstream). The sampling method used the grab sampling technique, with three replications at each point. Samples were stored in sterile bottles, placed in a cool box at a temperature of ±4°C, and analyzed a maximum of 24 hours after collection. The parameters analyzed included physical (TSS), chemical (pH, DO, BOD, COD, nitrate, and phosphate), and biological (fecal coliform). The analysis was carried out in the laboratory using the standard method SNI 6989.72:2009, with a UV-Vis spectrophotometer for nitrate and phosphate, an oven for TSS, and a titration method for BOD and COD. Fecal coliform analysis used the Most Probable Number (MPN) method. The results showed that most parameters exceeded the Class II water quality standards set by Government Regulation Number 22 of 2021, especially in the downstream area during the dry season. TSS values ​​reached 134 mg/L, BOD 12 mg/L, COD 115 mg/L, and fecal coliform 9,600 MPN/100 mL. The main sources of pollution were domestic waste, agricultural runoff, and poor sanitation. It can be concluded that the water quality of the Belimbing River indicates moderate to severe pollution. Integrated watershed management, community-based waste management, and environmental education are needed to sustainably restore the river's condition.
Analysis of Leaf Area Index of Shade Trees and Its Relationship with the Discomfort Index: A Case Study at the University of Mataram Campus Suripto, Suripto; Rahayu, Rachmawati Noviana; Supardiono, Supardiono; Dujana, Lalu Muhammad Aby; Genggelang, Feby Ayu
Jurnal Pijar Mipa Vol. 20 No. 7 (2025)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v20i7.10455

Abstract

The development of shade trees on the Mataram University campus is intended to maintain environmental comfort, as well as add beauty. The microclimate softening function of trees is largely determined by the density of their canopies, known as the leaf area index (LAI). Various LAI measurement methods have been developed, which are generally more suitable for assessing tree productivity but less valid for assessing the ability to soften the microclimate or decrease the discomfort index (DI). This study was conducted to analyze the distribution of LAI of shade trees and their relationship with the DI on the Mataram University campus. To obtain a more valid LAI value, the leaf area variable measured was the leaf area forming the canopy, replacing the leaf area on the canopy surface, as was done in previous studies. Microclimate variables measured to determine the discomfort index (DI) were air temperature and relative humidity. The results showed that the LAI of 108 trees (33 species) spread across 9 zones within the Mataram University campus ranges from 1.2630 (very small category) to 9.6735 (very large category). The DI values under the canopy of trees ranged from 23.225 (quite comfortable category) to 26.869 (somewhat comfortable category). The relationship between LAI of shade trees and DI on the campus of Mataram University was linear and negative, with the resulting regression equation being y = 28.1204-0.4749x. If LAI increased, then DI tended to decrease; conversely, if DI increased, then LAI tended to decrease. The function of campus trees in softening the microclimate can be enhanced by improving their LAI.
Analisis Perilaku Kebiasaan Membuang Sampah di Pantai Loang Baloq Kota Mataram Fitria, Nazima; Aprilia S, Komang Ratna; Khumaira S, Baiq Fadya; Supardiono, Supardiono; Dujana, Lalu Muhammad Aby
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 2 (2026): April
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i2.1264

Abstract

This study aims to analyze the waste disposal behavior of visitors to Loang Baloq Beach, Mataram City, and the factors influencing it. This study used a quantitative descriptive approach involving 35 respondents selected through accidental sampling in December 2025. Data were collected through a closed-ended questionnaire using a Likert scale, field observations, and documentation, then analyzed descriptively through frequency calculations, percentages, and average values. The results showed that most respondents had a very good level of hygiene knowledge, but proactive behavior in maintaining cleanliness was still low. Basic behavior of disposing of waste in the proper place was high, while advanced behaviors such as picking up trash, bringing home recyclable waste, and reprimanding violators were still rare. This condition was supported by limited trash bin facilities, a lack of warning signs, and a lack of supervision at the study site. These findings indicate a gap between knowledge and practice of hygiene behavior in the Loang Baloq Beach area.
Analisis Perilaku Pelaku Usaha Mikro dan Tindakan Masyarakat terhadap Pembuangan Limbah Industri Tahu-Tempe di Daerah Aliran Sungai Kelurahan Abian Tubuh Baru Kota Mataram Adelia, Adelia; Khaerani, Mir’atun; Alda, Tri Rahmi Fitri; Supardiono, Supardiono; Dujana, Lalu Muhammad Aby
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 2 (2026): April
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i2.1265

Abstract

The micro-scale tofu-tempeh industry in Abian Tubuh Baru Village has a strategic economic role, but its production activities produce liquid waste with a high organic load that risks degrading the aquatic ecosystem. This study aims to analyze in depth the behavior of micro-business actors in liquid waste management, as well as the community's social response to waste disposal in the Abian Tubuh Baru Village Watershed. The research method used is descriptive qualitative with a case study approach. Data were collected through field observations and in-depth interviews with business actors and the surrounding community who were selected purposively until data saturation was achieved. Data analysis was carried out thematically using the Miles & Huberman interactive model. The results showed that liquid waste is still discharged directly into water bodies without treatment due to the persistence of habitual factors, limited environmental literacy, and the absence of waste processing infrastructure facilities. This condition causes a significant decline in river water quality, characterized by changes in physical parameters (color and turbidity), and the emergence of a pungent odor due to organic decomposition. The community shows a tendency to act passively through environmental normalization by choosing to stop using river water rather than carrying out social control. These findings imply the urgency of community-based environmental awareness-building interventions for sustainable river pollution mitigation.
Perilaku Pemakaian Plastik Sekali Pakai oleh Mahasiswa dalam Aktivitas di Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mataram Auliya, Baiq Yuni Ariati; Pibiputri, Heppy Tasya; Supriyadi, Royan; Supardiono, Supardiono; Dujana, Lalu Muhammad Aby
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 2 (2026): April
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i2.1266

Abstract

Single-use plastic remains a major pollution problem in the campus environment. This study aims to analyze the single-use plastic consumption behavior of students in the Faculty of Mathematics and Natural Sciences (FMIPA) at the University of Mataram based on the Theory of Planned Behavior (TPB), including attitudes, subjective norms, perceived behavioral control, intentions, and actual behavior. This study used a descriptive quantitative approach, with 94 students selected through stratified random sampling from six study programs as respondents. Data were collected using a 1–5 Likert scale questionnaire and analyzed descriptively. The results showed that all TPB constructs tended to be in the moderate category, indicating that environmental awareness has been established but has not yet developed into consistent behavioral habits. A similar trend was seen across attitudes, subjective norms, perceived behavioral control, and actual behavior. The Environmental Science Study Program consistently scored higher than other study programs, indicating that an ecologically based academic culture plays a crucial role in establishing stronger social norms, thus enabling environmentally conscious behavior to be realized.
Co-Authors Adelia Adelia, Adelia Afrilia, Dinda Ahmad Jupri Aini, Diah Kurotul Akbar, Cahyo Aditya Alda, Tri Rahmi Fitri Aprilia S, Komang Ratna Atikah, Tika Dewi Auliya, Baiq Yuni Ariati Budhy Kurniawan Cahyani, Inda Nur Dujana, Lalu Muhammad Aby Dwiyanti, Amalya Ernawati Ernawati Fadli Fadli Fitria, Nazima Galuh Tresnani Genggelang, Feby Ayu Hanuun, Kamila Hidayati, Cita Rizqi Hilman Ahyadi Husain, Pahmi Immy Suci Rohyani Islami, Ekila Al ISLAMUL HADI Isrowati Isrowati, Isrowati Khaerani, Mir’atun Khumaira S, Baiq Fadya Komang Adi Kurniawan Saputra Lilik Hidayati, Lilik Maharadatunkamsi Maharadatunkamsi, Maharadatunkamsi Muhammad Rijal Alfian Nurhidayatullah Nurhidayatullah, Nurhidayatullah Nurlaila Mubarokah Nurul Aisyah Nurul Inayah Pibiputri, Heppy Tasya Pratama, Hari Arya Putra, Hengki Adriyan Putri, Nurliana Hasan Rahayu, Rachmawati Noviana Reda Sadewo, Imran Sigit Wiantoro, Sigit Supriyadi, Royan Suripto Suripto Wahyuni, Elisa Darmasari Yuliadi Zamroni