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Ghost Gears in the Gulf of Gabès: Alarming Situation and Sustainable Solution Perspectives
Version 1
: Received: 5 February 2024 / Approved: 5 February 2024 / Online: 5 February 2024 (15:11:01 CET)
A peer-reviewed article of this Preprint also exists.
Ghaouar, H.; Boussellaa, W.; Jribi, I. Ghost Gears in the Gulf of Gabès: Alarming Situation and Sustainable Solution Perspectives. Sustainability 2024, 16, 2632. Ghaouar, H.; Boussellaa, W.; Jribi, I. Ghost Gears in the Gulf of Gabès: Alarming Situation and Sustainable Solution Perspectives. Sustainability 2024, 16, 2632.
Abstract
This study investigates 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 analyzed for their loss rates and contributing factors. The study involved extensive surveys among local fishermen using 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 regional fishing efforts. 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 to developing and implementing strategies that minimize the impact of ALDFGs on the marine environment while supporting the socio-economic interests of fishermen.
Keywords
ALDFG; Gulf of Gabès; Interviews; Impact; Mapping; Sustainability
Subject
Biology and Life Sciences, Aquatic Science
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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