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Entries filed under 'leaves'

    Now You Know: Why Leaves Change Color

    fileWhen leaves morph from green to gold, orange and red, is it cooler autumn temperatures that trigger the change? To some degree, yes, but the most influential factor is steadily declining sun exposure as the amount of daylight dwindles with each passing fall day. This and other leaf-changing facts of autumn life are described in Why Leaves Change Colors, a science-based summary published by the U.S. Forest Service (Northeast Area). Some other items of interest: • Chlorophyll is just one of 3 ...

    Posted by T.D. Wood on October 25, 2011 6:02 PM & Tagged Autumn, fall colors, forests and leaves | permalink | Comments

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