Oregon Field Guide
Crayfish Invasion; Lichen; Heritage Trees; Conservation Dogs
Season 22 Episode 2210 | 29m 15sVideo has Closed Captions
Crayfish Invasion; Lichen; Heritage Trees; Working Dogs for Conservation
Crayfish Invasion - Eastern crayfish invade Oregon rivers through a surprise route. Lichen - Lichen can teach us volumes about the quality of the air we breathe. Heritage Trees - Portland's Heritage Tree program recognizes and preserves trees with special significance. Working Dogs for Conservation - A conservation dog uses his amazing sense of smell to help a researcher find rare plants.
Problems playing video? | Closed Captioning Feedback
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Oregon Field Guide is a local public television program presented by OPB
Oregon Field Guide
Crayfish Invasion; Lichen; Heritage Trees; Conservation Dogs
Season 22 Episode 2210 | 29m 15sVideo has Closed Captions
Crayfish Invasion - Eastern crayfish invade Oregon rivers through a surprise route. Lichen - Lichen can teach us volumes about the quality of the air we breathe. Heritage Trees - Portland's Heritage Tree program recognizes and preserves trees with special significance. Working Dogs for Conservation - A conservation dog uses his amazing sense of smell to help a researcher find rare plants.
Problems playing video? | Closed Captioning Feedback
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What the lichen growing on Oregon's trees can tell us about air quality
Video has Closed Captions
Clip: S22 Ep2210 | 8m 21s | What could possibly be inspiring about that green stuff covering Oregon’s trees? (8m 21s)
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Oregon Field Guide is a local public television program presented by OPB