Dead Fraser Fir trees (Abies fraseri),victims of Balsam Woolly Adelgids,aphid-like insects accidentally imported to North America on nursery trees. These firs are on Clingman's Dome in Great Smoky Mountains National Park. Fraser Fir trees are native to the high elevations (above 4,500 feet) of the southern Appalachian Mountains. Unfortunately,many adult Fraser Firs have been killed by the Balsam Woolly Adelgid | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Shields, Martin |
Bildgröße: | 4930 px × 3300 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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