观看免费视频 Olympic National Park: Elwha River Restoration

Name: Olympic National Park: Elwha River Restoration
Uploaded: 2016-05-13T03:40:10Z
Duration: 5 min 46 s
Description: 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.

(154 MB) 添加日期13 May 2016 播放86次 Nature

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动画说明：

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.