lake perch : 無料・フリー素材/写真
lake perch / Scrap Pile
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
|---|---|
| 説明 | The aquaponic system grows about 10,000 lake perch in about 10,000 gallons of water. Lake perch have been commercially over-fished in the Great Lakes, but can be commercially viable here in the "farm." |
| 撮影日 | 2009-07-01 00:00:00 |
| 撮影者 | Scrap Pile |
| タグ | |
| 撮影地 | Milwaukee, Wisconsin, United States 地図 |
| カメラ | NIKON D50 , NIKON CORPORATION |
| 露出 | 0.003 sec (1/400) |
| 開放F値 | f/5.6 |
| 焦点距離 | 72 mm |