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  • How do Trees Survive Winter?

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    This video sponsored by our Subbable supporter NIL:

    http://www.youtube.com/TheNilFacts

    And thanks to Subbable supporter Raed Massoud for helping make MinuteEarth possible!

    Humans can go inside or put on clothes, but trees spend winter naked in the cold. Why don’t they all die?

    Created by Henry Reich
    Animation: Ever Salazar
    Production and Writing Team: Alex Reich, Peter Reich, Emily Elert
    Music: Nathaniel Schroeder: http://www.soundcloud.com/drschroeder

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    References
    Cavender-Bares, J. (2005). Impacts of freezing on long distance transport in woody plants. Vascular transport in plants, 401-424.

    Davis, S. D., Sperry, J. S., & Hacke, U. G. (1999). The relationship between xylem conduit diameter and cavitation caused by freezing. American Journal of Botany, 86(10), 1367-1372.

    Ewers, F. W. (1985). Xylem structure and water conduction in conifer trees, dicot trees, and lianas. International Association of Wood Anatomists Bulletin,6(4).

    Pittermann, J., & Sperry, J. S. (2006). Analysis of freeze-thaw embolism in conifers. The interaction between cavitation pressure and tracheid size. Plant Physiology, 140(1), 374-382.

    Willson, C. J., & Jackson, R. B. (2006). Xylem cavitation caused by drought and freezing stress in four co‐occurring Juniperus species. Physiologia Plantarum, 127(3), 374-382.

    Zanne, A. E., Tank, D. C., Cornwell, W. K., Eastman, J. M., Smith, S. A., FitzJohn, R. G., … & Beaulieu, J. M. (2013). Three keys to the radiation of angiosperms into freezing environments. Nature.

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