By-catch of cold-water corals from an Experimental Trawl Survey in three seamounts within NAFO Regulatory Area (Divs. 6EFG) during year 2004
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AuthorsMurillo, F.J. (Francisco Javier); Durán-Muñoz, P. (Pablo); Mandado, M. (Mónica); Patrocinio, T. (Teodoro); Fernández-Carrera, G. (Gerardo)
KeywordsNAFO Regulatory Area
North-west Atlantic Ocean
By-catch of cold-water corals from a Trawl Experimental Survey developed during 2004 in three NAFO seamounts was examined. Three hauls were carried out over two peaks located in Divs. 6EF. In this area, catches of commercial resources were negligible and by-catch of corals was recorded (degraded pieces of dead Enallopsammia sp and Keratoisis sp and few alive corals like Solenosmilia variabilis, Metallogorgia melanotrichos, Paragorgia johnsoni, etc.), showing some interaction between fishing and vulnerable habitats and that trawl fishing in the area is unfeasible. Ninety-two hauls were carried out over one peak located in Div. 6G, with big catches of alfonsino (Beryx splendens), but only six hauls showing coral records (Enallopsamia rostrata, Solenosmilia variabilis, Madrepora oculata, Acanella eburnea and Placogorgia terceira) and in less quantities in comparison with Divs. 6EF. The low by-catch of corals in the Div. 6G peak could be related with their less rough bottom feature ...
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