( Phytoplanktons = Tiny plants )
(Zooplankton =Tiny animals )
Why do we need to control our ballast water.
History of Ballast water and the threats it poses to the environment.
Changes in shipping patterns causes a shift in trading intensity.
Opening up new areas could lead to a spread of a potential new species.
Негізгі бет Ballast water management convention , USCG Ballast water Discharge standard
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