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Journal : Marine Fisheries: Jurnal Teknologi dan Manajemen Perikanan Laut

ESTIMATING SUSTAINABLE EFFORT RATES FOR SKIPJACK TUNA FISHERIES LANDED AT YOGYAKARTA’S COASTAL FISHING PORT USING THE FOX MODEL Suharyanto; Mustaruddin, Mustaruddin; Mantani, Sayuri; Nurlela, Eli; Barokah, Sinatria
Marine Fisheries : Journal of Marine Fisheries Technology and Management Vol. 16 No. 1 (2025): Marine Fisheries: Journal of Marine Fisheries Technology and Management
Publisher : Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jmf.v16i1.52065

Abstract

This study aims to estimate the fishing effort for skipjack tuna (Katsuwonus pelamis) landed at Sadeng Coastal Fishing Port, Yogyakarta, under three management conditions: Maximum Sustainable Yield (MSY), Maximum Economic Yield (MEY), and Open Access Equilibrium (OAE), using the Fox model. The Fox model includes a key variable that helps balance ecological sustainability with economic profitability, ensuring the long-term viability of both the fishery and the livelihoods it supports. The skipjack tuna assessed in this study were caught using purse seines in the Indian Ocean south of Yogyakarta. Catch and fishing trip data from 2015 to 2021 were analyzed using the Fox bioeconomic model, a development of the Gordon-Schaefer model. The research was conducted from March to May 2022. Under MSY conditions, the estimated catch (CMSY) was 493,012 kg with an effort (EMSY) of 170 trips per year, yielding an annual profit of IDR 4,768,675,442. Under MEY conditions, the estimated catch (CMEY) was 474,424 kg with an effort (EMEY) of 127 trips, resulting in a higher annual profit of IDR 5,071,245,038. Under OAE conditions, the estimated catch (COAE) was 337,761 kg with an effort (EOAE) of 363 trips per year. Based on the Fox model, the current fishing effort is at 70% of EMSY, indicating that the skipjack tuna fishery in this area is not overfished. Keywords: Bioeconomic, EMSY, purse seine,Sadeng, Indian Ocean
Co-Authors Adi Darmawan Aditya, Nurdicky Febrian Ahmad Sulaiman, Ahmad Akbar, Raden Mohamad Adha Alimah, Nadhira Inas Andri Yano, Aan Anggraini, Anastasia Puspa Anggraini, Rika Zulvamita Asep Sofyan Azizah Shalihah A Bambang Haryanto Bambang Purwono Barokah, Sinatria Bayu Adi Bieng Brata Charlos Malino Dendi Haris Dwijayanti, Ririn Dyah Ari Wulandari Edi Sulistyawan Fachrudy Asj'ari Fachrudy Asj’ari Faradilla Rosita Firdausia, Yuli Kurnia Firmansyah, Angga Maulana Ghozin Hari Nugroho Hartika, Citra Haura Zahra , Winsa Hayati, Rini Nur Hermawan, Angga I Made Bagus Dwiarta Ismiarti Istrianto, Kadi Kadori Krisna Murti Anugraha Kurman, Mathilda Laksamana, Patria Larasati, Rakhma Fitria Latif, Nashrudin Mahardhika, Bogie Prastowo Mantani, Sayuri Mildawani , M.M.T.S Mohammad Afrizal Miradji Muhammad Hakim A Maulana Ishaq Mulyono S. Baskoro Muslimin, Muhammad Syahrizal Mustaruddin Nashrudin Latif Nurdina Nurdina Nuri Sabilah, Liha Nurlela, Eli Perangin angin, Robet Pranata, Maulana Septian Dwi Pratiwi, Nugraheni Nur Prayitno, Muhamad Riyono Edi Purbo Wartoyo, Bayu Puspito, Sigit Rahayu, Risma Dewi Nur Robi’ati Fauziyah Rufi’i Sabariah Sari, Ratih Purnama Saripudin Saripudin Suhardiyah, Martha Sulistyowati, Beta Indi Sumaryo Supriyanto Suripin Susilowati Sutrisno, Bagus Oktori TAUDLIKHUL AFKAR Tony Susilo Wibowo Ulfa Puspa Wanti Widodo Ully Wulandari, Ully untung lasiyono Urip Santoso Wahju Krisna Hidajat Wardi Warnoto Widiar Onny Kurniawan Wimpy Winarto Haryadi Woki Bilyaro Yurike