Warning against transporting invasive mussels. Signs at the boat launch ramp at Echo Bay on Lake Mead, Nevada, USA, warning against transporting invasive mussels on boats that have been in other lakes and rivers. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / West, Jim |
Bildgröße: | 3840 px × 5760 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |