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 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Shields, Martin |
Taille de l’image : | 4930 px × 3300 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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