围隔生态系内富营养对水体营养盐结构的扰动
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摘要: 氮、磷和硅是海洋中植物的主要营养元素.在开放水域,水体营养盐结构比较稳定.但在特定的环境条件下,如封闭或半封闭水体内、跃层形成或水体较为稳定时,原来稳定的营养盐结构则容易被富营养而发生结构上的重大变化.工业化包括近年水产养殖的发达,水体富营养问题已成为半封闭近岸海区的严重问题,已引起人们的注意[1].
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