Fishery Management of Southern Bluefin Tuna (Thunnus maccoyii) Using EAFM in Benoa Harbor, Bali | ||
| Egyptian Journal of Aquatic Biology and Fisheries | ||
| Volume 29, Issue 5, September and October 2025, Pages 2597-2612 PDF (341.97 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/ejabf.2025.400615.6150 | ||
| Author | ||
| Makoginta et al. | ||
| Abstract | ||
| Benoa Harbor is the center of Indonesia's large-scale tuna fisheries. Southern bluefin tuna (Thunnus maccoyii), the most valuable tuna species in the world, has been overexploited, causing a drastic population decline. An EAFM-based management approach is necessary to evaluate southern bluefin tuna fishery resource utilization techniques. This study was conducted at Benoa Harbor in Denpasar, Bali. Data were collected four times from June to September 2024. The observed indicators were destructive fishing methods, modification of fishing gear and aids, fishing capacity and catching effort, fishing selectivity, conformity of the function and size of fishing vessels with legal documents, and certification of fishing vessel crews in accordance with regulations. The domain status assessment of fishing techniques based on the ecosystem approach for southern bluefin tuna fisheries management in Benoa Harbor is in the excellent category, with a composite score of 83.33. The indicators of destructive and/or illegal fishing show a frequency of violations of less than five cases per year, a target species size of less than Lm, a fishing capacity ratio of less than one, high fishing selectivity, a proportion of targets greater than bycatch (68% to 32%), a low mismatch of function and size of vessels with legal documents of less than 30%, and a certified crew of greater than 75%. Southern bluefin tuna fisheries management in Benoa Harbor can be improved by following the National Working Group on EAFM's suggestions related to the assessment of low indicators. These suggestions include controlling the utilization of fish resources and imposing fishing quotas based on target, fishing gear, fishing ground, and operating time. | ||
| Keywords | ||
| Benoa Harbor; EAFM; Fishing technique; Southern bluefin tuna | ||
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