Effects of adding sounds to cod traps on the probability of collisions by humpback whales

Authors:

Lien, J., Barney, W., Todd, S., Seton, R. & Guzzwell, J.

Year:

1992

Journal/Publisher Name:

In Marine Mammal Sensory Systems, pp. 701?8. Thomas, J.A. & Kastelein, R.A. & Supin, A.Y. (eds). Plenum: New York.

Cod traps equipped with pingers resulted in a reduction in collisions with humpback whales (Megaptera novaeangliae) in Newfoundland, Canada. Traps with alarms caught more fish than traps without alarms.
Field Studies:

Location	Fishing gear	Reduction technique	Bycatch species	Effect on bycatch species	Catch	Effect on target catch	Type
Canada	Traps	Acoustic pingers	Large Cetaceans (maximum length > 7.5 meters)	Decreased collisions	Cod	Increased cod catch	In the wild