Evaluation of seal harassment techniques to protect gill netted salmon.

Authors: 

Geiger, A.C. and S.J. Jeffries

Year: 

1987

Journal/Publisher Name: 

Pp. 37-55 in B.R. Mate and J.T. Harvey (eds.): Acoustical Deterrents in Marine Mammal Conflicts with Fisheries. Oregon State University Sea Grant College Program No. ORESU-W-86-001. 116 pp.
Summary: 

Harbor seals (Phoca vitulina) appeared to habituate to acoustic harassment devices placed on gillnets in the Oregon salmon fishery. Results, although inconclusive, demonstrate a possible reduction in damaged salmon, at least in the short-term.