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All Journal Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Arwana: Jurnal Ilmiah Program Studi Perairan
Agung Setia Batubara
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Earth & Planetary Sciences Education Engineering

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Turbidity effect derived from palm oil mill effluent altered predation period of siamese fighting fish (Betta splendens, Regan 1910) Ilham Zulfahmi; Agung Setia Batubara; Adli Waliul Perdana; Zultira Harina Roza; Badratun Nafis; Furqan Maghfiriadi
Depik Vol 12, No 3 (2023): DECEMBER 2023
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.12.3.34628

Abstract

Contamination of palm oil mill effluent (POME) into water bodies potentially increases turbidity, resulting in disrupting aquatic organisms behaviour, including predation period. However, the effect of increased turbidity due to POME contamination toward the fish predation is still unexplored. Siamese fighting fish (Betta splendens) is one of the ideal test fish to investigate this effect. This study aims to analyze the effect of increased turbidity due to POME contamination toward the fish predation period of Siamese fighting fish. The research design was completely randomized with six treatments (0, 20, 40, 60, 80 and 100 NTU) followed by five repetitions for each treatment. The experimental data parameters include the predation rate of Siamese fighting fish during foraging activity, which was calculated from the percentage of the number of mosquito larvae consumed per 2 min during 15 min. The significance level of predation between treatments in each observation time period was analyzed using a one-way Analysis of Variance (ANOVA) with the confidence interval set at the 95% level. The results showed that at a turbidity level of 100 NTU, the predation period of Siamese fighting fish had been altered. In the period of 0-2 min, the predation rate decreased significantly. Meanwhile, the predation rate increased significantly during the period of 2-4 and 8-10 min. This finding should be considered to support POME remediation management, especially turbidity parameters.Keywords:POMEFeeding periodForaging areaTurbidity
Microplastic content of three types of economically fish in the Industrial Area Waters of North Aceh and Lhokseumawe Regency Muliari Muliari; Mahdaliana Mahdaliana; Irfannur Irfannur; Hizrah Ayumi Sitanggang; Yusrizal Akmal; M. Radhi; Salahuddin Salahuddin; Afrina Afrina; Agung Setia Batubara
Arwana: Jurnal Ilmiah Program Studi Perairan Vol 7 No 1: May 2025
Publisher : Program Studi Akuakultur, Fakultas Pertanian, Universitas Almuslim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51179/jipsbp.v7i1.3298

Abstract

North Aceh and Lhokseumawe Regency are promising regions in the marine and fisheries industry, encompassing both big pelagic and small pelagic fish. The industrial zone in North Aceh and Lhokseumawe Regency is characterized by significant activity, where activity pertains to both industrial operations in the region and activities in coastal zones. The current industries include PT Pupuk Iskandar Muda, PT ASEAN Aceh Fertilizer, PT Kertas Kraft Aceh, and PT Arun Natural Gas Liquefaction. Identifying microplastics in economically important fish in industrial area waters is necessary to determine whether the fish contain microplastics. The aim of this research is to determine the microplastic content in three economically fish, namely trevally (Caranx ignobilis), grouper (Epinephelus fuscoguttatus), and mackerel (Rastrelliger sp.). The research was carried out in 2024. Data and samples were collected using a survey method taken directly in the field. The data collection points during the research were at four locations around the industrial area, namely PT Pupuk Iskandar Muda (station 1), PT ASEAN Aceh Fertilizer (station 2), PT Kertas Kraft Aceh (station 3), PT Arun Natural Gas Liquefaction (station 4) in the waters of North Aceh and Lhokseumawe Regency. Analysis of microplastic content was carried out at the Oceanography Laboratory, Faculty of Agriculture, Malikussaleh University. Based on research results, the types of microplastics found in the digestive organs of trevally, grouper and mackerel are fiber, film, fragments, granules, pellets, and foam. Frequency value of microplastics found at the research location from the four stations, where the most dominant found was the foam type (35.96%) on trevally, fiber type (22.59%) on grouper, and fiber type (35.19%) on mackerel.
Composition structure and size distribution of two mahseer species in the Sikundur River, Leuser Ecosystem Area, Aceh, Indonesia Yusrizal Akmal; Muchammad Yunus; Hani Plumeriastuti; Yeni Dhamayanti; Irfannur Irfannur; Muliari Muliari; Agung Setia Batubara
Arwana: Jurnal Ilmiah Program Studi Perairan Vol 7 No 1: May 2025
Publisher : Program Studi Akuakultur, Fakultas Pertanian, Universitas Almuslim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51179/jipsbp.v7i1.3309

Abstract

The fish diversity within the Leuser Ecosystem Area (LEA), particularly in the Sikundur River, plays a crucial role in maintaining the balance of freshwater ecosystems. However, the populations of Mahseer (Tor tambroides and Neolissochilus soro) in this region are under threat due to habitat alteration and intensive exploitation. This study aims to examine the composition structure and size distribution of these two Mahseer species in the Sikundur River. Data collection was conducted at three stations representing different ecological settings: a residential area (Station 1), an agricultural plantation (Station 2), and a natural forest (Station 3). The study was carried out across two seasonal periods, dry season (April–September 2023) and rainy season (October–March 2024). Fish were sampled using cast nets, gillnets, and handlines with the assistance of local fishers, during both morning and evening sessions. Samples were analyzed descriptively and presented in tables and graphs. Results showed that Station 3, located in a natural forest, had the highest proportion of juvenile and adult Mahseer with the largest sizes and weights, particularly during the dry season. Station 1 was dominated by smaller juveniles, especially in the rainy season. Station 2 displayed variable patterns. Seasonal and ecological differences significantly influenced Mahseer population structure and growth dynamics.
Co-Authors Afrina Afrina Badratun Nafis Furqan Maghfiriadi Hani Plumeriastuti Hizrah Ayumi Sitanggang Ilham Zulfahmi Irfannur Irfannur Mahdaliana Mahdaliana Muchammad Yunus Muliari Muliari Perdana, Adli Waliul Radhi, M Salahuddin Salahuddin Yeni Dhamayanti Yusrizal Akmal Zultira Harina Roza