Yucca baccata - Saddle Horse Canyon Overlook : 無料・フリー素材/写真
Yucca baccata - Saddle Horse Canyon Overlook / brewbooks
ライセンス | クリエイティブ・コモンズ 表示-継承 2.1 |
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説明 | Yucca - Saddle Horse Canyon OverlookGrand Canyon National ParkToroweap Overlook areagrowing in cryptobiotic soilCryptobiotic soil is a biological soil crust composed of living cyanobacteria, green algae, brown algae, fungi, lichens, and/or mosses. Commonly found in arid regions around the world, cryptobiotic soils go by many names, including cryptogamic, microbiotic, or microphytic soils or crusts. Soil crusts are important members of desert ecosystems and contribute to the well-being of other p lants by stabilizing sand and dirt, promoting moisture retention, and fixing atmospheric nitrogen.Source en.wikipedia.org/wiki/Cryptobiotic_soilwww.soilcrust.org/crust101.htmsw2 586 |
撮影日 | 2011-05-20 12:51:02 |
撮影者 | brewbooks , near Seattle, USA |
タグ | |
撮影地 | Arizona, United States 地図 |
カメラ | Canon PowerShot SD850 IS , Canon |
露出 | 0.005 sec (1/200) |
開放F値 | f/8.0 |
焦点距離 | 14506.66667 dpi |