Potential implications of acoustic stimuli as a non-physical barrier to silver carp and bighead carp
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Abstract
The effectiveness of an acoustic barrier to deter the movement of silver carp, Hypophthalmichthys molitrix (Valenciennes) and bighead carp, H. nobilis (Richardson) was evaluated. A pond (10 m × 5 m × 1.2 m) was divided in half by a concrete-block barrier with a channel (1 m across) allowing fish access to each side. Underwater speakers were placed on each side of the barrier opening, and an outboard motor noise (broadband sound; 0.06–10 kHz) was broadcast to repel carp that approached within 1 m of the channel. Broadband sound was effective at reducing the number of successful crossings in schools of silver carp, bighead carp and a combined school. Repulsion rates were 82.5% (silver carp), 93.7% (bighead carp) and 90.5% (combined). This study demonstrates that broadband sound is effective in deterring carp and could be used as a deterrent in an integrated pest management system.
Suggested Citation
Murchy, K., Cupp, A.R., Amberg, J., Vetter, B.J., Fredricks, K.T., Gaikowski, M., and Mensinger, A.F., 2017, Potential implications of acoustic stimuli as a non-physical barrier to silver carp and bighead carp: Fisheries Management and Ecology, v. 24, no. 3, p. 208-216, https://doi.org/10.1111/fme.12220.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Potential implications of acoustic stimuli as a non-physical barrier to silver carp and bighead carp |
| Series title | Fisheries Management and Ecology |
| DOI | 10.1111/fme.12220 |
| Volume | 24 |
| Issue | 3 |
| Publication Date | May 22, 2017 |
| Year Published | 2017 |
| Language | English |
| Publisher | Wiley |
| Contributing office(s) | Upper Midwest Environmental Sciences Center |
| Description | 9 p. |
| First page | 208 |
| Last page | 216 |