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All Journal South East Asian Water Resources Managements Tropical Marine Environmental Sciences
Ananda, Eva Ersia
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Energy Environmental Science Physics

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Analysis of Water Quality Parameters in Lhok Bubon Estuary, West Aceh Regency Ananda, Eva Ersia; Auliana, Nur; Agustia, Desti; Wahyuni, Sri; Hanan, Dendi; Munajar, Munajar; Samudra, Arung; Amelia, Putri
South East Asian Water Resources Management Vol. 2 No. 1 (2024): Desember
Publisher : Science, Technology, and Education Care

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61761/seawarm.2.1.36-39

Abstract

Estuary waters have unique characteristics where fresh water and seawater transition. These characteristics affect the environment's quality and aquatic biota's life. In addition, human activities such as fishing and industry can also affect water quality and impact biota's life. This study aims to analyze water quality parameters in Muara Lhok Bubon, West Aceh Regency waters. This study was conducted in September 2024 and used a survey method. The results showed an average water temperature of 29.9 ° C, an average pH of 7.6, and an average current speed of 0.24 m/s. These parameters indicate that the water quality in Muara Lhok Bubon is still in the good category, supporting the survival of aquatic biota.
Identification of Plankton Species and Environmental Parameters in Lhok Bubon Coastal Waters, Aceh Barat Wahyuni, Sri; Mursawal, Asri; Samudra, Arung; Rizqi, Miftahul; Ananda, Eva Ersia; Ramadhan, Azhari
Tropical Marine Environmental Sciences Vol. 4 No. 2 (2026): May
Publisher : Department of Marine Science, Faculty of Fisheries and Marine Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/tromes.4.2.31-37

Abstract

Plankton plays a crucial role in aquatic ecosystems as primary producers and bioindicators of water quality. However, baseline information on plankton composition and environmental conditions in the coastal waters of Lhok Bubon, Aceh Barat, remains limited. This study aimed to identify plankton taxa and assess environmental parameters in the study area. Field sampling was conducted in October 2025 at three stations, with three replicates per station. Plankton samples were collected using a plankton net, preserved with Lugol’s solution, and identified under a light microscope based on morphological characteristics. Water quality parameters, including temperature, pH, salinity, and dissolved oxygen (DO), were measured in situ. A total of 10 plankton taxa were identified, dominated by phytoplankton from the class Bacillariophyceae, followed by Cyanophyceae, zooplankton, and other microorganisms. The presence of diatoms such as Aulacoseira granulata and Synedra ulna indicates favorable conditions for primary productivity. Environmental parameters remained relatively stable, with temperature ranging from 31.4 to 32.9°C, salinity from 30 to 34 ppt, pH around 8.27, and DO averaging 11.45 mg/L, all within suitable ranges for aquatic life. The results indicate that Lhok Bubon coastal waters are in relatively good condition and capable of supporting plankton growth and ecological processes. However, the presence of cyanobacteria and organically associated microorganisms suggests the need for continuous monitoring to maintain environmental quality
Co-Authors Agustia, Desti Amelia, Putri Auliana, Nur Hanan, Dendi Munajar, Munajar Mursawal, Asri Ramadhan, Azhari Rizqi, Miftahul Samudra, Arung Sri Wahyuni Sri Wahyuni