Friday favorites: Fall fireworks

downerwoods-cropA patchwork of reds, oranges, and yellows lights up Downer Woods Natural Area in Wisconsin. You may have learned that fall colors are the result of leaves losing their green pigment — chlorophyll. That’s true, in part. But for trees with bright red leaves, the trees also produce red pigments in response to cooling temperatures. These pigments are called anthocyanins and are only made in the autumn!

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About Margaret Kosmala

I am an ecologist exploring the complex dynamics of plant and animal systems. I am especially interested in understanding how species communities change over time and how humans impact them.
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