Olympic National Park: Elwha River Restorationの無料動画を見ましょう

(154 MB) 13 May 2016に追加されました 95 回再生しました Nature
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Olympic National Park: Elwha River Restoration

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アニメーションの説明：

This five-minute 'webisode' offers an introduction to the Elwha River, its people, its once-prolific salmon runs, the century of hydropower the river produced and the eventual decision to remove Elwha and Glines Canyon Dams.