Problems and suggestions on ballast water quarantine supervision of entry ships at ports in China
With the discharge of nuclear waste water in Japan,some countries began to carry out strict supervision of ship ballast water loaded from Japan.Based on the summary and analysis actual situation of management and problems existed on ballast water of entry ships at ports in China,this paper analyzed the present situation of ballast water management and the existing problems,some suggestions had been put forward in the following aspects,clarifying the responsibilities of government departments,refining legislation and standards,improving port hardware and software construction,strengthening law enforcement cooperation,in order to strictly supervise the ballast water of ships,maintain the marine ecological environment,protect the biosecurity and human health.