Study Plots : 無料・フリー素材/写真
Study Plots / Andrea Pokrzywinski
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
|---|---|
| 説明 | Scientists are measuring carbon dioxide levels in areas that are growing without goose grazing. They are protecting these areas from geese by fences. Some of the study plots will also be grazed by geese to see how goose grazing changes the rate of carbon dioxide gases |
| 撮影日 | 2014-06-12 22:46:05 |
| 撮影者 | Andrea Pokrzywinski , Cheqamegon National Forest, USA |
| 撮影地 | |
| カメラ | Canon PowerShot G15 , Canon |
| 露出 | 0.002 sec (1/640) |
| 開放F値 | f/2.8 |
| 焦点距離 | 13651.87719 dpi |