This paper describes the problems of public health harm and marine ecological environment destruction caused by unwanted aquatic organism and pathogen carried by ship's ballast water.

从保护海洋生态环境的长远观点来看，压载水运送有害水生物及病原体引致的危害比其他形式的污染更为严重。

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The Phaeocystis globosa red tide occurs frequently in the Southern and eastern Sea of China, resulting in the destruction of marine ecological environment and economic losses in recent years.

近年来，球形棕囊藻赤潮在我国东南沿海频频发生，不仅破坏了海洋生态环境，还造成了经济上的巨大损失。球形棕囊藻具有复杂的异型生活史，有单细胞和群体两种不同的生活形态。

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