Based on the case study of algal bloom, the analysis of its formation and hazards, etc., the paper dwells on the impact of algal bloom to the world economy, and thus offers the way of its prevention and treatment.

• 摘要文章通过对赤潮案例、赤潮的成因及赤潮的危害等问题的分析，阐述了赤潮对世界经济的影响，提出了赤潮的预防、治理方法。