St. Lawrence Seaway - conclusion of 2009 navigation season
The Great Lakes-St. Lawrence Seaway System issued a press release stating that the 2009 navigation season concluded on December 28. Total Seaway cargo volume for the year is estimated at 30.5 million tonnes, the lowest volume since the early 1960s, and 25% below 2008. In a testament to ballast water management methodologies, no new introductions of aquatic invasive species have been reported since 2006. (1/8/10).