近年来，赤潮已成为我国海域频发的主要海洋灾害，其威胁危害程度明显加重。为保障海洋开发的可持续发展，在目前综合整治海洋环境的进程中，需把赤潮灾害列为重点防治管理的对象。沧州海域为赤潮灾害的典型区域。现从１９８９、１９９９年形成的两次沧州特大赤潮入手，探讨赤 In recent years, red tides have become the major marine disasters in China’s seas and their threats are significantly aggravated. In order to ensure the sustainable development of marine development, in the current process of comprehensive remediation of the marine environment, red tide disasters should be listed as the focus of prevention and control. Cangzhou sea area is a typical area for tidal disasters. Now from 1989, 1999 formed two Cangzhou extravagant red tide to explore the red