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All Journal Jurnal Perikanan dan Kelautan Berkala Perikanan Terubuk Jurnal Ilmu Perairan (Aquatic Science) Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Jurnal Ilmu Kelautan Spermonde Albacore : Jurnal Penelitian Perikanan Laut Asian Journal of Aquatic Sciences International Journal of Marine Engineering Innovation and Research Journal of Coastal and Ocean Sciences Journal of Rural and Urban Community Empowerment South East Asian Marine Sciences Journal PEDAMAS (Pengabdian Kepada Masyarakat) JURNAL ILMIAH PENELITIAN MAHASISWA South East Asian Water Resources Managements Jurnal Perikanan dan Kelautan Tropical Marine Environmental Sciences
Polaris Nasution
Fakultas Perikanan Dan Kelautan Universitas Riau
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SUSTAINABILITY OF BELAT FISHING GEAR USE IN SUNGAI GAYUNG KIRI VILLAGE, RANGSANG SUBDISTRICT, MERANTI ISLANDS REGENCY Simanjuntak, Tia Srimulia; Sari, T Ersti Yulika; Nasution, Polaris
Jurnal Penelitian Perikanan Laut (Albacore) Vol 9 No 4 (2025): Albacore
Publisher : Departemen PSP IPB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/core.9.4.643-654

Abstract

Sungai Gayung Kiri Village in Rangsang Subdistrict, Meranti Islands Regency, has great fisheries potential, with most of the community relying on capture fisheries using traditional fishing gear such as belat (set nets). This area has experienced severe coastal abrasion, which has led to mangrove degradation, shifts in fishing grounds, and a decline in catch production. This research was conducted in 2025 in the coastal waters of Sungai Gayung Kiri. The purpose of this study was to determine the sustainability status of belat fishing gear based on ecological, economic, and technological dimensions. The method used in this study was a survey method through direct field observation and interviews with fishermen. The data collected included the number of fishing units, production trends, environmental parameters, and sustainability attributes. The data were analyzed using Multidimensional Scaling (MDS) with the RAPFISH approach. The results showed that the ecological dimension had a value of 20.02%, categorized as unsustainable. The economic and technological dimensions obtained values of 58.34% and 57.99%, respectively, and were categorized as moderately sustainable. This study concludes that although belat remains an important traditional fishing gear, its sustainability is still low, particularly in the ecological aspect. The findings indicate the need for sustainable fisheries management, including mangrove conservation, regulated resource utilization, and improved fishing gear technology. Key words: coastal abrasion, fisheries sustainability, mangrove, RAPFISH, set net
Physico-Thermal Characteristics of Coconut Coir–Latex Composites for Thermal Insulation in Fishing Vessels Polaris Nasution; T Ersti Yulika Sari; Budhi Santoso
International Journal of Marine Engineering Innovation and Research Vol. 11 No. 2 (2026)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v11i2

Abstract

Maintaining low storage temperatures on fishing vessels is strongly influenced by the insulation performance and durability of fish-hold lining materials, especially under humid and splash-exposed marine conditions. This study investigates latex–coconut coir composites as a lightweight, locally available, and bio-based candidate for insulation applications in small fishing vessels. Composite specimens were fabricated using a controlled formulation series from neat latex (100/0) to 50/50 latex–coir, with intermediate ratios of 90/10, 80/20, 70/30, and 60/40. The work emphasizes manufacturability, mass-related properties, and moisture behavior relevant to shipboard service. Water absorption was evaluated after 24 h immersion following the general procedure of JIS A 5908, while specific gravity and density were determined using an Archimedes-based method (ASTM D 792) at 23°C. The results show that increasing coir content reduces the dry specimen mass, supporting lightweight panel development, but significantly affects moisture uptake. Neat latex exhibits minimal water absorption (0.846%), whereas coir-containing composites show higher absorption with a non-linear trend, peaking at the 80/20 formulation (17.345%) and decreasing at 50/50 (10.410%). In contrast, specific gravity (~0.498–0.500) and density (~497–499 kg/m³) remain nearly constant across formulations, indicating that moisture performance is governed primarily by microstructure (porosity and latex–fiber interfacial sealing) rather than bulk density. These findings highlight the feasibility of latex–coir composites for marine insulation, while underscoring the need for processing optimization and/or surface sealing to improve moisture resistance.
Dampak Perbedaan Kebijakan Alat Tangkap Bagan Apung terhadap Penangkapan Ikan Bilih (Mystacoleucus padangensis) di Danau Singkarak Nabilla Khaira; Nofrizal Nofrizal; Polaris Nasution
Ilmu Perairan (Aquatic Science) Vol. 14 No. 2 (2026): Juli
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jipas.14.2.151-159

Abstract

Perbedaan regulasi penggunaan bagan apung antara Permen KP No. 36 Tahun 2023 dan Pergub Sumatera Barat No. 4 Tahun 2023 menimbulkan dinamika pengelolaan ikan bilih (Mystacoleucus padangensis) di Danau Singkarak. Penelitian ini bertujuan menganalisis perbedaan kebijakan, dampaknya terhadap hasil tangkapan berdasarkan ukuran mata jaring, serta persepsi nelayan terhadap implementasinya. Metode yang digunakan adalah studi kasus dengan pendekatan mixed methods. Data dikumpulkan dari 40 nelayan bagan apung melalui kuesioner dan dianalisis menggunakan One-Way ANOVA, serta wawancara untuk memperkuat analisis kebijakan. Hasil menunjukkan bahwa kebijakan pusat memperbolehkan bagan apung dengan syarat teknis (≥¾ inci), sedangkan kebijakan daerah melarang secara total. Ukuran mata jaring berpengaruh signifikan terhadap hasil tangkapan (p < 0,05), di mana jaring lebih kecil menghasilkan tangkapan lebih tinggi namun kurang selektif. Perbedaan kebijakan berdampak pada ketidakpastian teknis, penurunan stabilitas ekonomi nelayan, serta dinamika sosial di komunitas. Sinkronisasi kebijakan berbasis data ilmiah dan partisipasi nelayan diperlukan untuk menjaga keseimbangan antara konservasi dan keberlanjutan ekonomi.
Co-Authors Adib Dzakwan Agung Prasetyo Agung Prasetyo Alit Hindri Yani Anggraita, Dea Virgin Anik, Heni Arizka Pelita Rahman Arthur Brown Astri Rahmahdani Baiq Rahmadhianta Bima Guntara Budhi Santoso Bustari Bustari Charles Alison Cindy Adila Zuska Dani, Rahma Emiati Emiati Faturrahman, M. Zikri Febriyanti Sitorus Firmansyah, Rodhi Guntara, Bima Hairi, Muhammad Hasanah, Camelia Nurul Hasman, Ranti Anggraini Heni Andri Anik Hotmaia Harahap Irvan Manalu Irwan Limbong Irwandy Syofian Irwandy Syofyan Is Isnaniah Isnaniah Isnaniah Isnaniah Isnaniah Isnaniah, Isnaniah Isnaniah1, Isnaniah Jonny Zain Juprizal Juprizal Laksono Trisnantoro Lina, Renta Luh Putu Ratna Sundari M. Elvan Ihza Rasyid Mardini, Windi Meinaldi, Pani Monalisa Monalisa Muhammad Hairi Muhammad Natsir Kholis Nabilla Khaira Nasution, Windi Mardini Nofri Sandria Nofrizal Nofrizal Osta Lumban Tobing Pareng Rengi Pareng Rengi Perdana, Hass Kharisma Putra Prawira, Yoshua Satria Yudha Rahim, Anni Rahman, Arizka Ramadhana, Muhammad Ramdhan, Fajri Ramdhan1, Fajri Ranti Anggraini Hasman Rantika, Tri Ronald Mangasi Hutauruk Rosidah Hafni Sakban, Marian Sari, Sukma Ranum Semin &#039; Sidabutar, Dani Walmer Silaban, Adelina Simanjuntak, Tia Srimulia Siti Khalijah Sormin, Neltzy Sister Siregar Suprianto, Elbi Sutopo P. Fitri syaifuddin syaifuddin T Ersti Yulika Sari T. Ersti Yulika Sari Tarigan, Isdayani Teguh Afriyanto Toni, Yulian Tri Rahmadhani Usman Usman Wahyu Fajar Ramadhan Wita, Wirvina Yani, Alit Yoshua Satria Yudha Prawira Zega, Melvi Purnama Fajar Zuska, Cindy Adila