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Carp Deterrent System Installed At Lock 19
| 题名： | Carp Deterrent System Installed At Lock 19 |
| 正文语种： | eng |
| 摘要： | The U.S. Geological Survey (USGS), the U.S. Army Engineer Research and Development Center (ERDC) and partners installed a temporary, experimental underwater Acoustic Deterrent System, or uADS, at Mississippi River Lock 19 between Keokuk, Iowa, and Hamilton, Ill., February 3. The deployment is part of a study to understand how invasive Asian carp respond to acoustic, or sound, signals. "If this uADS is successful in deterring Asian carp, it could have huge implications for invasive species management," said Marybeth Brey, a USGS research fish biologist and the project lead. "This new deterrent system is designed to be more selective and not affect native species, providing another tool for resource managers to deter Asian carp." Asian carp-including silver carp, big- head carp, black carp and grass carp-grow quickly and aggressively compete with native fish for food and habitat. The multiagency team installed the experimental uADS in the lock approach to test, under field conditions, the potential for acoustic signals to deter both the Asian carp and native fish from moving upstream. The engineering, maintenance and logistical considerations associated with long-term operations of the uADS in an active navigation channel will also be assessed throughout the study. The uADS is housed in a weldment-a 105-foot-long beam with 16 speakers-in the approach channel of Lock 19. |
| 出版年： | 2021 |
| 期刊名称： | The Waterways Jouranl |
| 卷： | 135 |
| 期： | 1 |
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