Ports construction demands the support of excellent resource condition of shoreline.As the non-renewable resources, the rareness of shoreline becomes increasingly evident.

• 港口的建设必须要有优良的岸线资源条件作为支撑,然而岸线作为不可再生资源,其稀缺性日益体现,可供建设大型深水港口的岸线已不多。