Colorado - Quaking aspen leaves lose their chlorophyll,the green pigment that helps them produce food from sunlight,as they die in fall. The more sugars produced by the leaves,the more orange and red pigments revealed when the green leaches away | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Steinberg, James |
Bildgröße: | 4862 px × 3280 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: |
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