The Pollution of Ships' Ballast Water to the Marine Environment and Countermeasures

摘要

as the integration of the world economy, the amount of global trade has increased. 80% of the trade commodities are transported by sea. A large number of ships whose ballast water cause great damage to the marine environment are sailing in the ocean every year. Ship's ballast water has become an important way for microorganisms transmitting all over the world. The pollution to the marine environment which is caused by ship's ballast water and the methods how to deal with ship' ballast water will be discussed in this paper.