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Characterization Of Atlantic Cod Spawning Habitat And Behavior In Icelandic Coastal Waters, Timothy B. Grabowski, Kevin M. Boswell, Bruce J. Mcadam, R.J. David Wells, Guđrún Marteinsdóttir
Characterization Of Atlantic Cod Spawning Habitat And Behavior In Icelandic Coastal Waters, Timothy B. Grabowski, Kevin M. Boswell, Bruce J. Mcadam, R.J. David Wells, Guđrún Marteinsdóttir
Department of Biological Sciences
The physical habitat used during spawning may potentially be an important factor affecting reproductive output of broadcast spawning marine fishes, particularly for species with complex, substrate-oriented mating systems and behaviors, such as Atlantic cod Gadus morhua. We characterized the habitat use and behavior of spawning Atlantic cod at two locations off the coast of southwestern Iceland during a 2-d research cruise (15–16 April 2009). We simultaneously operated two different active hydroacoustic gear types, a split beam echosounder and a dual frequency imaging sonar (DIDSON), as well as a remotely operated underwater vehicle (ROV). A total of five fish species were …