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Ghost Gears in the Gulf of Gabès: Alarming Situation and Sustainable Solution Perspectives

Author

Listed:
  • Hana Ghaouar

    (Laboratory BIOME, Department of Life Sciences, Sfax Faculty of Sciences, University of Sfax, Route de la Soukra Km 4, P.O. Box 1171, Sfax 3000, Tunisia)

  • Wiem Boussellaa

    (Marine Turtle Research Group, Department of Marine Animal Conservation and Public Engagement, Stazione Zoologica Anton Dohrn, Via Nuova Macello 16, 80055 Portici, Italy)

  • Imed Jribi

    (Laboratory BIOME, Department of Life Sciences, Sfax Faculty of Sciences, University of Sfax, Route de la Soukra Km 4, P.O. Box 1171, Sfax 3000, Tunisia)

Abstract

This study represents a first step in investigating the prevalence, causes, and spatial distribution of Abandoned, Lost, or Discarded Fishing Gears (ALDFGs) in the Gulf of Gabès, a critical fishing area in Tunisia. Five main fishing gear types—benthic trawls, encircling nets, longlines, gillnets, and trammel nets were analysed for their loss rates and contributing factors. The study involved extensive surveys among local fishermen and the use of geographic information system (GIS) tools for spatial mapping. The findings reveal varying loss rates among different gear types, with longlines experiencing the highest losses (59%), followed by trammel nets (45%), gillnets (40%), trawls (38%), and encircling nets (36%). Causes of gear loss include entanglement on obstructions, conflicts with other fishing gears, entanglement with marine animals, adverse weather conditions, and intentional dumping at sea. The study highlights the challenges posed by the consistent increase in fishing effort in the region. Spatial distribution mapping indicates two significant concentrations of ALDFGs, correlating with specific fishing activities and depths. The study emphasizes the importance of addressing gear losses as a threat to marine biodiversity and ecosystem health. Recommendations for mitigation include improving boat equipment, raising awareness among fishermen, implementing effective waste management, and exploring economic incentives for ALDFG recovery. This research contributes essential insights for fisheries management, environmental conservation, and sustainable practices in the Gulf of Gabès. Collaborative efforts are crucial for developing and implementing strategies that minimize the impact of ALDFGs on the marine environment while supporting the socio-economic interests of fishermen.

Suggested Citation

  • Hana Ghaouar & Wiem Boussellaa & Imed Jribi, 2024. "Ghost Gears in the Gulf of Gabès: Alarming Situation and Sustainable Solution Perspectives," Sustainability, MDPI, vol. 16(7), pages 1-15, March.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:7:p:2632-:d:1362239
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    References listed on IDEAS

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    1. Kim, Sang-Goo & Lee, Won-IL & Yuseok, Moon, 2014. "The estimation of derelict fishing gear in the coastal waters of South Korea: Trap and gill-net fisheries," Marine Policy, Elsevier, vol. 46(C), pages 119-122.
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