Studying a crayfish : 無料・フリー素材/写真
Studying a crayfish / USFWS/Southeast
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
|---|---|
| 説明 | Staff from the Service's Asheville Field Office recently helped Avery Middle School eighth-grade students study stream invertebrates in the North Toe River, which is also home to the endangered Appalachian elktoe mussell.The students rotated through a series of four stations that also included fish, water chemistry and a tour of the wastewater treatment plant.Credit: Gary Peeples/USFWS |
| 撮影日 | 2015-09-22 14:31:46 |
| 撮影者 | USFWS/Southeast |
| タグ | |
| 撮影地 | |
| カメラ | NEX-7 , SONY |
| 露出 | 0.01 sec (1/100) |
| 開放F値 | f/4.0 |
| 焦点距離 | 50 mm |