West Bench Trail on Grand Mesa sparks interest in pigments of leaves

Aspen trees show their colors during a recent hiking trip of West Bench Trail on Grand Mesa. Tree and plant leaves contain pigments that give them their color. The three pigments involved in fall color are chlorophyll, carotenoids and anthocyanins.



100911 hags aspen turning

Aspen trees show their colors during a recent hiking trip of West Bench Trail on Grand Mesa. Tree and plant leaves contain pigments that give them their color. The three pigments involved in fall color are chlorophyll, carotenoids and anthocyanins.

The question one ponders while hiking or riding through a stunningly beautiful stand of aspen quaking in the breeze, flashing yellow and crimson red, is this: How the heck do they change…




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