After 25 years of work on invasive species, Council studies remain innovative
More on how to identify green crabs Twenty-five years ago this year, the Council released its first study on the threat of marine invasive species to Prince William Sound. The researchers determined that the biggest source of risk was the ballast water discharged from the oil tankers arriving in Prince William Sound. Ballast water is sea water that the tanker takes on when they are not carrying oil. This helps stabilize the vessel during ocean…