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All Journal HAYATI Journal of Biosciences Jurnal Ilmu Pertanian Indonesia Buletin PSP Jurnal Teknologi Perikanan dan Kelautan Marine Fisheries: Jurnal Teknologi dan Manajemen Perikanan Laut Jurnal Ilmu dan Teknologi Kelautan Tropis Albacore : Jurnal Penelitian Perikanan Laut Indonesian Fisheries Research Journal Jurnal Penelitian Perikanan Indonesia Bawal : Widya Riset Perikanan Tangkap Jurnal Kebijakan Perikanan Indonesia Jurnal Kelautan Nasional International Journal of Marine Engineering Innovation and Research Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Journal of Fisheries & Marine Arwana: Jurnal Ilmiah Program Studi Perairan Biodiversitas Journal of Biological Diversity
Am Azbas Taurusman
Department Of Fisheries Resources Utilization, Faculty Of Fisheries And Marine Science, Institut Pertanian Bogor. Jl. Agathis, Bogor 16680, West Java, Indonesia
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Physics Transportation

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Systematic conservation planning for pelagic fish habitats in the Sulawesi Sea, Indonesia AMEHR HAKIM; AM AZBAS TAURUSMAN; BUDY WIRYAWAN; ARI PURBAYANTO; REGI DARMAWAN; IRFAN YULIANTO
Biodiversitas Journal of Biological Diversity Vol. 27 No. 5 (2026)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d270513

Abstract

Abstract. Hakim A, Taurusman AA, Wiryawan B, Purbayanto A, Darmawan R, Yulianto I. 2026. Systematic conservation planning for pelagic fish habitats in the Sulawesi Sea, Indonesia. Biodiversitas 27 (5): d270513. https://doi.org/10.13057/biodiv/d270513. Mackerel scad (Decapterus macarellus) is a key species in pelagic fisheries, providing substantial economic value while playing an important role in pelagic food webs. However, increasing fishing pressure raises concerns regarding stock sustainability and ecosystem integrity. This study aimed to identify priority areas for offshore pelagic Marine Protected Areas (MPAs) in the Sulawesi Sea, Indonesia, by integrating ecological and socio‑economic information within a systematic conservation planning framework. Spatial analyses of spawning and nursery habitats derived from larval surveys were combined with fishing‑related cost data and analyzed using Marxan to optimize conservation prioritization under four alternative scenarios. The analysis identified four candidate conservation areas (Areas I-IV). Among these, Area IV that located between Sangihe and Talaud Islands, consistently emerged as the highest conservation priority, offering the most favorable balance between high ecological value and low fishing intensity. Area IV covers approximately 599,790.91 ha, with 282,364.82 ha (47.08%) identified as a core conservation zone supporting critical spawning and nursery habitats of D. macarellus. These findings demonstrate the value of integrating larval habitat data with spatial optimization tools to identify cost‑efficient and ecologically robust offshore conservation areas. The approach provides a scientifically grounded framework for offshore pelagic MPA planning and contributes empirical evidence to support ecosystem‑based fisheries management in the Sulawesi Sea.
Prediction of Potential Fishing Zones Based on Upwelling in The Southern Part of Palabuhanratu Bay Rivaldi Abdul Rasyid; Prof. Dr. Ir. Domu Simbolon, MSi Simbolon; Am Azbas Taurusman
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol 18 No 2 (2026): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitkt.18.2.71574

Abstract

Fishing-ground estimation is commonly conducted using catch-based analysis. However, this approach has not consistently produced accurate estimates. Upwelling offers an alternative approach because it influences the variability of oceanographic parameters, which, in turn, affect fish distribution and the dynamics of fishing grounds. This study aimed to (1) identify upwelling-favorable conditions based on the combined variability of SST, chlorophyll a, salinity, and SLH, and (2) predict potential fishing zones associated with upwelling in the southern waters of Palabuhanratu Bay. Satellite derived SST, chlorophyll a, salinity, and SLH data were integrated to estimate the location and timing of upwelling, while catch and fishing effort data from trolling line fleets were used to calculate fishing productivity. The results showed that upwelling occurred predominantly from July to November and was characterized by decreased SST (24.21–29.56°C), increased chlorophyll-a concentration (0.07–0.76 mg/m3), elevated surface salinity (32.91–34.49‰), and persistent negative SLH anomalies (0.19–0.67 m). Upwelling events were more frequent and intense in coastal waters than in offshore areas. Locations and periods with higher upwelling frequency consistently exhibited higher catch per unit effort (CPUE). Statistical analysis revealed a significant relationship between upwelling and catch productivity (r = 0.570; F = 3.854; p < 0.05). During the upwelling period, CPUE in potential fishing zones reached 759–1,067 kg/trip, while CPUE in coastal upwelling areas reached 658–749 kg/trip, exceeding the cumulative CPUE of 643 kg/trip. Integrating oceanographic indicators with fisheries data enhances fishing-ground prediction and ecosystem-based fisheries management.
BIOLOGICAL CHARACTERISTICS OF OCTOPUS (Octopus cyanea) IN THE EAST SEASON IN KAUR REGENCY, BENGKULU PROVINCE: KARAKTERISTIK BIOLOGI GURITA (Octopus cyanea) PADA MUSIM TIMUR DI KABUPATEN KAUR, PROVINSI BENGKULU Daniel Julianto Tarigan; Domu Simbolon; Am Azbas Taurusman; Mohammad Imron; Multazimul Haq; Teguh Noegroho
Jurnal Teknologi Perikanan dan Kelautan Vol. 17 No. 3 (2026): AUGUST 2026
Publisher : Fakultas Perikanan dan Ilmu Kelautan, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24319/jtpk.17.349-362

Abstract

Octopus (Octopus cyanea) fisheries are one of the leading small-scale fishery commodities in Kaur Regency, Bengkulu Province. However, the increasing fishing intensity without considering biological aspects threatens the sustainability of this resource. This study aims to analyze catch productivity, mantle length distribution, body weight, and the length-weight relationship of octopuses. The research was conducted from July to September 2024 in Linau Village using an accidental sampling method. Data collected included catch volume, fishing effort, mantle length, body weight, and sex. Catch Per Unit Effort (CPUE) was used to assess fishing productivity, while biological data were analyzed descriptively. The results showed that the highest CPUE was in September (5.2 kg/trip), while the lowest was in February (2.6 kg/trip). The dominant mantle length of the captured males ranged from 7.95 to 8.67 cm (121 individuals), while the dominant mantle length of the captured females was also 7.95–8.67 cm (432 individuals). The dominant body weight ranged from 120 to 465 g (83 males) and 117 to 465 g (355 females). The sex ratio indicated female dominance. The length-weight relationship revealed a negative allometric growth pattern, indicating that mantle length growth is faster than body weight gain. These findings highlight that most of the octopuses caught were under the suitable catch size. Therefore, regulations on minimum catch size and spatial-temporal closures are recommended to ensure the sustainability of octopus fisheries in Kaur Regency, Bengkulu Province.
Co-Authors . Isdahartati . Isheliadesti . Ristiani . Suardi Agus Ramli Aisyah Nur Nabila Alan Frendy Koropitan AMEHR HAKIM Ari Purbayanto ARIEF ERIZAL Ario Damar Ashshiddiqi, Muhammad Faishal Ashshiddiqi, Muhammad Faishal Astuti, Lussy Asyifah Safitri Bahiya Bambang Murdiyanto Beginer Subhan Benaya M. Simeon Besweni - Budhi H. Iskandar Budy Wiryawan Dadang Shafrudin Daniel Julianto Tarigan Daniel R. Monintja Daniel R. Monintja Dhita Widhiastika Domu Simbolon Domu Simbolon Donald Noija, Donald Dwi A. Gautama Eka Aprianti Eko Sri Wiyono Erfind Nurdin Erfind Nurdin Erizal, Arief Erna Almohdar Fajar Indah Ningsih Fathul Amin Fis Purwangka Gillang Fernando Handy Chandra Hawis H Madduppa HAWIS MADDUPPA Huryn Najmi Apriela Ilham Fajri Inda Mardhatillah IRFAN YULIANTO Irfan Yulianto Isdahartati - Joko Santoso Julia Eka Astarini KUSTIARIYAH TARMAN Lendri Lendri Lina Indriani Listyanto Putri, Adjeng Peni M Mukhlis Kamal M. Riyanto Minsaris, La Ode Alam Mochammad Riyanto Mohammad Imron Muhammad Aris Muhammad Faishal Ashshiddiqi Muhammad Fedi Alfiadi Sondita Muhammad Sulaiman Muhammad Taufik Muji Nopriansah Multazimul Haq Mulyono S. Baskoro Mustaruddin Naslina Alimina Nur Muhammad Syadli NURLITA P ANGGRAINI Prihatin Ika Wahyuningrum Prihatin Ika Wahyuningrum Pulung, Karto Purwangka, Fis Purwanto, Budi REGI DARMAWAN RIDWAN AFFANDI RISKI FADILLAH Rivaldi Abdul Rasyid Ronny I. Wahju Ronny Irawan Wahju Roza Yusfiandayani Ruslan Husen Saban Tawari Salmarika, Salmarika Sulaeman Martasuganda Taeran, Imran Tatag Budiardi Teguh Noegroho Tiara Tri Wiji Nurani Viola Azzuhra Haryono Vita R. Kurniawati Wazir Mawardi Zulkarnain Zulkarnain ZULKARNAIN ZULKARNAIN Zulkarnain, Zulkarnain