Zebra mussels (Dreissena polymorpha) clinging to a pier. Since they were accidentally imported from Eastern Europe in the late 1980s,zebra mussels have spread throughout the Great Lakes,clogging pipes and boat engine cooling systems. Photographed at Lake Erie,Michigan,USA | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / West, Jim |
Taille de l’image : | 2438 px × 3643 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |