MinuteEarth
Science and stories about our awesome planet!
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Science and stories about our awesome planet!
这是 Youtop 运营的独立目录页面，并非由 MinuteEarth 或 YouTube 运营、赞助或认可。 YouTube 官方频道 ↗提交更正你是这位创作者吗？认领此页面
MinuteEarth · 发布于 2015年10月24日
You've probably heard that leaves of deciduous trees change color in autumn because they lose their green chlorophyll molecules, allowing the underlying yellow and orange pigments to shine through. However, this doesn’t explain why the leaves change color in the first place. LEARN MORE ************** To learn more about this topic, start your googling with these keywords: - Leaf senescence - Chlorophyll - Carotenoid - Anthocyanin SUPPORT MINUTEEARTH ************************** If you like what we do, you can help us!: - Become our patron: https://patreon.com/MinuteEarth - Our merch: http://dftba.com/minuteearth - Our book: https://minuteearth.com/books - Share this video with your friends and family - Leave us a comment (we read them!) CREDITS ********* Peter Reich | Script Writer Henry Reich | Script Writer, Narrator and Director Ever Salazar | Illustration, Video Editing and Animation Nathaniel Schroeder | Music Our staff: Alex Reich, Peter Reich, Emily Elert, Ever Salazar, Kate Yoshida, and Henry Reich MinuteEarth is produced by Neptune Studios LLC https://neptunestudios.info OTHER CREDITS ***************** Maple Tree - William Warby https://www.flickr.com/photos/wwarby/5130990917/in/gallery-84329238@N02-72157631555877435/ Red Maple Tree - John Brueske http://www.shutterstock.com/pic-28786426/ Thanks also to our Patreon patrons: - Today I Found Out - Jeff Straathof - Mark - Maarten Bremer - Alberto Bortoni - Valentin - Nicholas Buckendorf - Antoine Coeur OUR LINKS ************ Youtube | https://youtube.com/MinuteEarth TikTok | https://tiktok.com/@minuteearth Twitter | https://twitter.com/MinuteEarth Instagram | https://instagram.com/minute_earth Facebook | https://facebook.com/Minuteearth Website | https://minuteearth.com Apple Podcasts| https://podcasts.apple.com/us/podcast/minuteearth/id649211176 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.
