Pine trees killed by an outbreak of mountain pine beetles along the Continental Divide at Willow Creek Pass, Rand, Colorado, USA. The beetle has killed millions of acres of pine trees in the American west. Scientists expect the problem to worsen due to global warming, because very cold weather is needed to kill the beetles. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / West, Jim |
Bildgröße: | 6720 px × 4480 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |