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All Journal AGRISAINS Jurnal Sains Teknologi dan Lingkungan (JSTL) Jurnal Biologi Tropis Albacore : Jurnal Penelitian Perikanan Laut Jurnal Pengabdian Magister Pendidikan IPA Journal of Aquaculture and Fish Health JATI EMAS (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat) Jurnal Abdi Insani JURPIKAT (Jurnal Pengabdian Kepada Masyarakat) Jurnal Pengabdian Perikanan Indonesia Jurnal Media Akuakultur Indonesia Jurnal SIAR ILMUWAN TANI Journal of Fish Health Jurnal Pepadu Journal of Fish Nutrition Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Jurnal Perikanan Jurnal Ilmu Kelautan Lesser Sunda
Sadikin Amir
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Potential of Halophilic Bacteria from Hypersaline Waters to Reduce Polyethylene Microplastic Abundance in Artemia sp. Culture: A Preliminary Indication of Degradation Based on Gravimetric Weight Loss Al Humaero, Nanda Wahyuni; Amir, Sadikin; Setyono, Bagus Dwi Hari
Journal of Fish Health Vol. 6 No. 2 (2026): Journal of Fish Health
Publisher : Study Program of Aquaculture, Department of Fisheries and Marine Science, Faculty of Agriculture, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfh.v6i2.10038

Abstract

Polyethylene (PE) microplastic contamination in aquaculture systems can increase plastic particle exposure in zooplankton, including Artemia sp., while also elevating the risk of biological disturbance in cultured organisms. This study evaluated the potential of halophilic bacteria isolated from hypersaline waters to reduce PE microplastic abundance in Artemia sp. and to provide a preliminary indication of PE degradation based on gravimetric weight loss. A completely randomized design with six treatments and three replications was applied: P0 (without microplastics and bacteria), KN (PE 2 mg/L), KP (bacteria 106 CFU/mL), P1 (PE 2 mg/L + bacteria 106 CFU/mL), P2 (PE 2 mg/L + bacteria 107 CFU/mL), and P3 (PE 2 mg/L + bacteria 108 CFU/mL). The primary response variables were microplastic abundance in Artemia sp. and PE degradation efficiency, whereas growth, survival, and water quality were treated as supporting variables. The treatments significantly affected microplastic abundance in Artemia sp. KN produced the highest abundance (0.1100 particles/individual), whereas bacterial addition reduced the value to 0.0267 particles/individual in P1, 0.0267 in P2, and 0.0467 in P3. PE weight loss ranged from 20.0% to 31.1%, with the highest value recorded in P1. These findings suggest that a halophilic bacterial inoculum of 106 CFU/mL was the most promising level for early-stage PE bioremediation in Artemia culture systems. Nevertheless, because degradation was assessed only by gravimetric loss, the result should be interpreted as a preliminary indication and still requires abiotic controls, SEM, and FTIR confirmation.
PLANKTON DYNAMICS AS NATURAL FOOD INDICATORS DURING NILE TILAPIA (Oreochromis niloticus) LARVAL REARING IN AQUAPONIC, BIOFLOC, AND AQUABIOPONIC SYSTEMS Haeriah, Sri Asnawati; Amir, Sadikin; SETYONO, Bagus Dwi Hari
Journal of Fish Nutrition Vol. 6 No. 1 (2026): Journal of Fish Nutrition
Publisher : Journal of Fish Nutrition

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfn.v6i1.10122

Abstract

Plankton communities are important in Nile tilapia larval rearing because they function as natural food, a pathway for nutrient and energy transfer, and an ecological indicator of changes in the rearing medium. This study evaluated plankton abundance, genus composition, and ecological indices during Nile tilapia (Oreochromis niloticus) larval rearing in aquaponic (AP), biofloc (BF), and aquabioponic (AB) systems. A 45-day experiment was conducted using a completely randomized design with three treatments and four replicates. Each experimental unit contained 30 L of water and 30 larvae. Plankton was sampled on days 0, 15, 30, and 45 by filtering 10 L of culture water, concentrating the sample to 50 mL, and observing the concentrated sample using a hemocytometer. Plankton community data were interpreted descriptively, and no statistical significance is claimed for plankton parameters. The three systems developed distinct plankton trajectories. AP showed gradual recovery of plankton abundance and an increase in diversity and evenness by day 45 (H’ = 1.79; E = 0.92). BF produced the highest final abundance, driven by Oscillatoria on day 45 (104.00 ×10³ ind. mL⁻¹; approximately 78% of the community), but showed lower final evenness (E = 0.42) and higher Simpson dominance (C = 0.76). AB showed an early Chlorella peak on day 15 (53.25 ×10³ ind. mL⁻¹) and later shifted toward a more even community by day 45 (H’ = 1.79; E = 0.92). These findings indicate that high plankton abundance does not necessarily represent a balanced natural food community. Based on descriptive plankton community indicators, AP and AB appeared more supportive of balanced plankton communities for tilapia larval rearing, whereas BF required stricter management of organic load, floc volume, pH, and nutrient input to prevent cyanobacterial dominance.
Co-Authors Abidin, Z Abidin, Zaneal Adiwijaya, Cakra Agung, Wahyu Aktia, M. Gilang Al Humaero, Nanda Wahyuni Alis Mukhlis Amir , Sadikin Andre Rachmat Scabra Anggeni, Prawita Aprilya, Nabilah Ardianti, Nurul Rahmatia Ariana, Septian Dwi Arisqia, Neny Ashari, Rowi Astutiwati Ayu Adhita Damayanti Bachri, Syaeful Bagus Dwi Hari Setyono Baiq Hilda Astriana, Baiq Hilda Bambang Hari Kusumo Chandrika Eka Larasati Chandrika Eka Larasati, Chandrika Eka Dewi Nuraeni Setyowati Dewi, Amalia Sartika Dietriech Geoffrey Bengen Edwin Jefri Fredinan Yulianda Gigentika, Soraya Haeriah, Sri Asnawati Hamzah Hamzah Hamzah, Hamzah Hardhini, Rossy Hariansyah Hariansyah Hariansyah, Hariansyah Hasbullah, Lalu Heldy Sardianto Hilyana, Siiti Ibadur Rahman Iryanto Ivan Rihardi Jefri, Edwin Joni Tibun Juniati, Kadek Kadek Juniati Khaldun, Muhammad Hafidz Ibnu Kholilah, Nenik Lalu Ferdi Alfarisi Murdin Lestaringsih, Wiwid Andriyani lestariningsih, Wiwid Lestariningsih, Wiwid Andriyani Lolita Endang Susilowati Mahardika Rizqi Himawan Mahendra, Putra Ivan Martanina, Martanina Mennofatria Boer Mohammad Syakiran Muh. Marwan Muhammad Sumsanto Murdin, Lalu Ferdi Alfarisi Nanda Diniarti Nanik Tri Purwaningsih Niechi Valentino Nunik Cokrowati Nurliah Nurliah Buhari nurliah, nurliah nurlinda, lindabp nur Nurul Rahmatia Ardianti Nyoman Widi Artha Putra Paryono Pratama, Alfian Prawita Anggeni Purwaningsih, Nanik Tri Putra Satria Timur Rahman, Ibadur Ramdini Zakrah, Intan Rhojim Wahyudi Rihardi, Ivan Rosady, Tomy Roslina Roslina, Roslina Rossy Hardhini Rusmin Nuryadin Sahrul Alim Sakina, Sholihati Lathifa Saopiadi Saopiadi Saopiadi, Saopiadi Saptono Waspodo Septiani, Ninda Setyowati, Dewi Nuraeni Sholihati Lathifa Sakina Sitti Hilyana Sitti Hilyana Soraya Gigentika Sukartono Syakiran, Mohammad Syawalina Fitria Tahir, Ahdiat Mardelaga Tibun, Joni Timur, Putra Satria Tomy Rosady Umam, Misbahul Wahbi, Wahbi Wiwid Andriyani Lestariningsih Yulianto Suteja Zaenal Abidin Zaenal Abidin Zaneal Abidin Zuhdiyah Matienatul Iemaaniah