DREDGE A dredge consists of a metal mesh bag held open by a frame. This type of gear is dragged along the seafloor to collect bottom-dwelling organism; shellfish are particularly targeted. Some dredges have teeth or rakes that penetrate the sediment and remove large infauna. Multiple dredges can be use simultaneously via a connecting beam […]
October 2015
The impact of predation by marine mammals on Patagonian toothfish longline fisheries | Consortium for Wildlife Bycatch Reduction
Soffker, M., Trathan, P., Clark, J., Collins, M.A., Belchier, M. and Scott, R. [email protected] Depredation by antarctic fur seals (Arctocephalus gazella), sperm whales (Physeter macrocephalus) and orcas (Orcinus orca) were studied in a Patagonian toothfish (Dissostichus eleginoides) fishery operating around South Georgia. While sperm whales come in contact with about one third of longlines (averaged […]