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.
| 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 |
| Year Published | 2017 |
| Language | English |
| Publisher | Wiley |
| Contributing office(s) | Upper Midwest Environmental Sciences Center |
| Description | 9 p. |
| First page | 208 |
| Last page | 216 |
| Google Analytic Metrics | Metrics page |