Modify anti-predator nets around aquaculture systems
Overall effectiveness category No evidence found (no assessment)
Number of studies: 0
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Background information and definitions
Anti-predator nets may be placed around fish pens or cages to physically exclude marine or freshwater mammals to reduce predation. However, such nets may entangle mammals, causing injury or death (e.g. Díaz López et al. 2007). Reducing mesh size, using stiffened or tensioned materials, and/or enclosing nets at the bottom may reduce the risk of entanglement (Kemper et al. 2003). These measures may also deter mammal predation more effectively thereby reducing human-wildlife conflict.
For studies that involve maintaining anti-predator nets, see Replace or repair damaged anti-predator nets around aquaculture systems.
López B.D. & Bernal Shirai J.A. (2007) Bottlenose dolphin (Tursiops truncatus) presence and incidental capture in a marine fish farm on the north‐eastern coast of Sardinia (Italy). Journal of the Marine Biological Association of the United Kingdom, 87, 113–117.
Kemper C.M., Pemberton D., Cawthorn M., Heinrich S., Mann J., Würsig B., Shaughnessy P. & Gales R. (2003) Aquaculture and marine mammals: Co-existence or conflict? Pages 208–224 in: N. Gales, M. Hindell & R. Kirkwood (eds.) Marine mammals: Fisheries, tourism and management issues. CSIRO Publishing, Collingwood, Victoria, Australia.
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This Action forms part of the Action Synopsis:Marine and Freshwater Mammal Conservation
Marine and Freshwater Mammal Conservation - Published 2021
Marine and Freshwater Mammal Synopsis