Zasoby i środowisko · 14/07/2004
U.S. Fish and Wildlife Service Announces Approved Recovery Plan for Higgins Eye Pearlymussel
The U.S. Fish and Wildlife Service has released a recovery plan to help conserve the Higgins eye pearlymussel, a federally listed endangered species threatened by exotic species like zebra mussels, and aims to reintroduce it into its historically occupied habitats.