Macro-invertebrate study : 無料・フリー素材/写真
Macro-invertebrate study / ManassasNPS
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
|---|---|
| 説明 | Fourth grade students investigate a net looking for macro-invertebrates while learning about the health of a park stream, Young's Branch. This program is made possible through a partnership with the Alice Ferguson Foundation's Bridging the Watershed program and a Ticket to Ride grant (National Parks Foundation). |
| 撮影日 | 2015-11-12 15:08:46 |
| 撮影者 | ManassasNPS |
| 撮影地 |