Invasive crayfish threaten species in Oregon's Crater Lake

Aired: 1/1/2016 | 0:05:30 | Clip
At Crater Lake National Park in Oregon, the site of the deepest lake in the country, the surface water temperature has been heating in recent years, attracting an invasive species of crayfish that is putting the lake’s clarity and native creatures in jeopardy. Correspondent Jes Burns of Oregon Public Broadcasting and EarthFix reports.

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