Response of Alewives to High-Frequency Sound at a Power Plant Intake on Lake Ontario
- 1 May 1993
- journal article
- Published by Oxford University Press (OUP) in North American Journal of Fisheries Management
- Vol. 13 (2) , 291-303
- https://doi.org/10.1577/1548-8675(1993)013<0291:roathf>2.3.co;2
Abstract
From April through June 1991, we tested a full-scale deterrent system for excluding alewives Alosa pseudoharengus from the intake of the James A. FitzPatrick Nuclear Power Plant (JAF), near Oswego, New York. This electronic system produced high-frequency broadband sound (122–128 kHz) at a source level (in decibels [dB] in reference to 1 μPa) of 190 dB. When the system was on, the density of fish near the JAF intake decreased by as much as 96% and the number of alewives impinged on the intake screens at JAF decreased by as much as 87%. The system was effective during both day and night, and its range was greater than 80 m.Keywords
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