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  • The Real Reason Leaves Change Color In the Fall

    541,773 views 1 year ago
    Thanks to Lynda.com for sponsoring this video. Visit https://www.lynda.com/earth for a 10-day free trial

    Thanks also to our Patreon patrons:
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    Want to learn more about the topic in this week’s video? Here are some keywords to get your googling started:
    Leaf senescence, chlorophyll, carotenoid, anthocyanin
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    Credits:
    Script Writer: Peter Reich and Henry Reich (twitter:@MinutePhysics)
    Video Illustrator: Ever Salazar (twitter:@eversalazar)
    Video Director: Henry Reich
    With Contributions From: Kate Yoshida (twitter:@KateYoshida), Emily Elert (twitter:@eelert) and Alex Reich (twitter:@alexhreich)
    Music by: Nathaniel Schroeder: http://www.soundcloud.com/d...
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    References:

    Hoch, W. A., Singsaas, E. L., & McCown, B. H. (2003). Resorption protection. Anthocyanins facilitate nutrient recovery in autumn by shielding leaves from potentially damaging light levels. Plant Physiology, 133(3), 1296-1305.

    Feild, T. S., Lee, D. W., & Holbrook, N. M. (2001). Why leaves turn red in autumn. The role of anthocyanins in senescing leaves of red-osier dogwood. Plant physiology, 127(2), 566-574.

    Image Credits:
    Maple Tree - William Warby
    https://www.flickr.com/phot...

    Red Maple Tree - John Brueske
    http://www.shutterstock.com... Show less
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