他告诉BBC新闻说，“浮游生物需要太阳光线和来自下层的营养，但是越来越明显的海水分层抑制了其营养的来源。”
"The plants need sunlight from above and nutrients from below; and as it becomes more stratified, that limits the availability of nutrients," he told BBC News.
浮游生物的生长和他们得到的阳光以及重要的营养元素铁元素等相关。
The growth of phytoplankton is kept in check by the amount of sunlight available for photosynthesis and the supply of crucial nutrients such as iron.
运用垂直平均值的浮游生物模型研究了在一个固定站和扩展湾流体系中，浮游植物、浮游动物和营养盐的季节变化。
The seasonal variation of phytoplankton zooplankton and nutrients at a fixed station and in the extended Gulf Stream system are studied by using a vertically averaged plankton model respectively.
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