Bio-acoustic fish fence expected to be operational this fall : 無料・フリー素材/写真
Bio-acoustic fish fence expected to be operational this fall / NashvilleCorps
| ライセンス | クリエイティブ・コモンズ 表示-継承 2.1 |
|---|---|
| 説明 | (Left to right) Andrew Porterfield, fisheries technician; Josh Tompkins, fisheries biologist; and Matt Combs, fisheries biologist; Kentucky Department of Fish and Wildlife Resources Agency, move into position to electro fish for Asian Carp on the Cumberland River along the shoreline below Barkley Dam in Grand Rivers, Ky., July 30, 2019. The U.S. Army Corps of Engineers, U.S. Fish and Wildlife Service, Kentucky Department of Fish and Wildlife Resources, U.S. Geological Survey and Tennessee Wildlife Resources Agency are collaborating on the deployment of a bio-acoustic fish fence on the downstream side of Barkley Lock as part of a test of this sound deterrent to reduce the use of the locks by Asian Carp. (USACE photo by Lee Roberts) |
| 撮影日 | 2019-07-30 06:24:59 |
| 撮影者 | NashvilleCorps |
| タグ | |
| 撮影地 | Grand Rivers, Kentucky, United States 地図 |
| カメラ | NIKON D810 , NIKON CORPORATION |
| 露出 | 0.002 sec (1/500) |
| 開放F値 | f/11.0 |
| 焦点距離 | 80 mm |