k7956-15 : 無料・フリー素材/写真
k7956-15 / USDAgov
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
|---|---|
| 説明 | U.S. Department of Agriculture (USDA) Agricultural Research Service (ARS) soil scientists Harry Pionke and Ron Schnabel examine a switchgrass stand. Relatively small buffer areas not only can protect nearby streams from agricultural pollutants, but also provide habitat for ground-nesting birds and forage for beef cattle. USDA photo by Scott Bauer. |
| 撮影日 | 2013-02-25 10:31:17 |
| 撮影者 | USDAgov |
| タグ | |
| 撮影地 |