事实上这两个系统都不该拥有这么多物种，它们的土壤中极度缺氮和缺磷，这是植物生长所需的营养盐。
In fact, both ecosystems owe their enormous diversity, in part. to the fact that their soils have critically low supplies of nitrogen and especially phosphorus, nutrients plants need in order to grow.
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.
另一方面，贫瘠的土壤无法为快速生长的植物提供足够的营养盐因为它们无法建立巨大的地下根系夺取资源。
On the other hand, poor soils don't provide enough nutrient capital for fast growing plants to build their massive infrastructures and take all the resources.
河蚌与植物集成净化技术既能够消除水体悬浮物、藻类，又可有效去除营养盐。
The purification technique, combining bivalve and plant floating-bed, could not only get rid of suspended substance and algae, but also remove the nutrient effectively.
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.
通过现场加富培养实验的方法对长江口邻近海域海水营养盐对浮游植物生物量及浮游植物种类组成的影响，浮游植物对营养盐的迁移转化进行了研究。
A study was conducted to investigate the influence of nutrient to the biomass and the structure of species and the transformation of nutrient by phytoplankton in Changjiang Estuary and adjacent areas.
为福宁湾海域浮游植物生长营养盐限制因子。
PO_4-P is the limitative factor of nutrition of the growth of phytoplankton in Funin Bay.
为福宁湾海域浮游植物生长营养盐限制因子。
PO_4-P is the limitative factor of nutrition of the growth of phytoplankton in Funin Bay.
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