TRAVERSE CITY, Mich. (AP) – The Environmental Protection Agency issued new requirements Thursday for cleansing ballast water dumped from ships, which scientists believe has provided a pathway to U.S.

The main reason why ships pump water out from the sides is because of ballasting operations. Ballasting is a very important aspect of a ship's ability to maintain stability and safe handling at sea.

A single ship can move thousands of tons of water, and with it, thousands of living organisms into ecosystems that have no defenses. This breaks down how ballast water works, why it spreads invasive ...

WASHINGTON – Many people already know about the quagga mussel, the zebra mussel and the round goby that now infest the Great Lakes after stowing away and then getting released from the ballast tanks ...

NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of ...

TRAVERSE CITY, Mich. - A government plan to prevent foreign species carried in ship ballast tanks from invading seacoasts, the Great Lakes and inland waterways is riddled with loopholes and would take ...

Murphy, Kathleen R., Ritz, D., and Hewitt, C. L. 2002. "Heterogeneous zooplankton distribution in a ship's ballast tanks." Journal of Plankton Research, 24, (7) 729 ...