硒在海洋浮游植物生化组分中的分布
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摘要: 硒为中等生物制约元素.海洋浮游植物对硒的富集系数高达103~104[1].硒沿海洋食物链的传递[1~4]表明硒在生物体内可能被结合在细胞原生组分中[5-7].为了进一步探讨硒对海洋浮游植物营养作用的新陈代谢基础,深入研究硒沿海洋食物链的传递现象,本文通过实验室培养试验,结合现场观测,比较全面地研究了硒在海洋浮游植物体主要生化组分中的分布,同时探讨了介质中硒浓度变化对上述分布的影响.
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