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All Journal Jurnal Pasir Laut Jurnal Perikanan dan Kelautan Jurnal Akuatika Indonesia Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat Asian Journal of Aquatic Sciences Jurnal Riset Kelautan Tropis (Journal Of Tropical Marine Research) (J-Tropimar) Journal of Rural and Urban Community Empowerment Jurnal Riset Kelautan Tropis (J-Tropimar) Jurnal Perikanan dan Kelautan
Nabila Afifah Azuga
Jurusan Ilmu Kelautan, Fakultas Perikanan Dan Kelautan, Universitas Riau
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Energy Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Physics Social Sciences

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ASSESSMENT OF WATER QUALITY BASED ON NITRATE, PHOSPHATE, AND AMMONIA CONCENTRATIONS IN BURUK BAKUL VILLAGE, BENGKALIS, RIAU Hendris, Sefni; Yoswaty, Dessy; Nurrachmi, Irvina; Azuga, Nabila Afifah; Kambaren, Bella Billiant J Ananta; Putri, Rianti; Purbata, Ardi Gustri
Asian Journal of Aquatic Sciences Vol. 8 No. 3 (2025): December
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/ajoas.8.3.391-397

Abstract

Coastal ecosystems are highly sensitive to nutrient enrichment, particularly from land-based activities and aquaculture effluents, which contribute to water quality degradation. This study evaluated the concentrations of nitrate, ammonia, and phosphate in the coastal waters of Buruk Bakul Village, Bengkalis, Riau Province, Indonesia. Water samples were collected from four representative stations in August 2025: a river estuary, a shrimp pond, a mangrove rehabilitation site, and a natural mangrove forest. The analysis was conducted using spectrophotometric methods in accordance with the Indonesian National Standards (SNI). Results indicated that nitrate concentrations ranged from 0.0822 to 0.1932 mg/L, ammonia from 0.5705 to 1.7338 mg/L, and phosphate from 0.0845 to 0.299 mg/L. All parameters exceeded the seawater quality standards for marine biota established by the Decree of the Minister of Environment No. 51/2004, indicating a significant anthropogenic influence. The river estuary recorded the highest nitrate and phosphate levels, reflecting inputs from land runoff and domestic waste, while ammonia peaked in the shrimp pond due to aquaculture discharge. Nutrient levels in mangrove-associated stations were lower but still above the threshold, indicating that mangrove ecosystems provide some capacity to retain and transform nutrients, although insufficient for full remediation. Elevated nutrient concentrations pose ecological risks, such as eutrophication and algal blooms, which may disrupt biodiversity and fisheries productivity. This study emphasizes the urgency of improving aquaculture waste management, reducing land-derived nutrient loading, and strengthening mangrove conservation and rehabilitation as integrated strategies to sustain coastal ecosystem health in Buruk Bakul and similar regions. These findings provide a baseline for nutrient management and coastal rehabilitation strategies in western Indonesian waters
Co-Authors Annisa Ulfa Khaira Ardi Gustri Purbata Athiyyah Salwaa Andini Candra, Ade Ary Delilla Suhanda Dessy Yoswaty Elizal, Elizal Fauzan, Ikhwan Gita Purnama Sari, Gita Purnama Habibullah, Ahmad Dhuha Ikhwan Fauzan Ilham Ilahi Irvina Nurachmi Irwan Limbong Ismayadi Ivonne M. Radjawane Ivonne M. Radjawane Kambaren, Bella Billiant J Ananta Khaira, Annisa Ulfa Kristiando M Irsyad Nur, M Irsyad M. Irsyad Nur Muhammad Natsir Kholis Musrifin Galib Najwan Al-Ghifari Putra, Rachman Mega Putri, Rianti Rizka Aprisanti Ronal Kurniawan Silvia, Desy Sri Endang Kornita Yulindra, Ade Zaza A Zahra Zulkifli Zulkifli