海藻是食物链中的初级生产者，是动物、微生物的摄食、侵袭对象。
As an elementary producer in food chain, algae was preyed on by animals and microbe.
浮游植物是水生食物网的基础，作为初级生产者，它们是小到微观浮游动物、大到数吨的鲸鱼的食物。
Phytoplankton are the foundation of the aquatic food web, the primary producers, feeding everything from microscopic, animal-like zooplankton to multi-ton whales.
森林生态系统中，初级生产者和分解者之间的养分关系，是一种既互利又竞争的复杂关系。
The nutrients relationship between the primary producers and decomposers in forest-ecosystem is a mutua-competitive and complex relationship.
同时，宏体藻类作为生态系统中的初级生产者成为一种新的食物，改变了后生动物的食谱。
In addition, the macroalgae served as a primary producer in the paleoecosystem to provide an alternative food for the metazoarl.
通过构建初级生产者-分解者系统的养分流动模型，分析分解者增长受碳限制或受养分限制的判断标准。
By constructing a flux model of nutrients for a primary producer-decomposer ecosystem, a determining standard of decomposers increase confined by carbon or nutrients limitation is analysed.
在能量流动过程中，直接来源于碎屑的比例占总流量的48%，而直接来源于初级生产者的比例为52%。
In course of the energy flow, the proportion of total flow originating from detritus is 48%, and from primary producer is 52%.
浮游植物是滤食性贝类的主要饵料，也是海洋主要的初级生产者，因此研究贝类养殖对浮游植物群落的影响具有重要的科学意义。
Phytoplankton is the main food to the bivalve filter-feeders and the marine primary producer, so the impacts on the phytoplankton community by scallop culture deserve studying.
浮游植物是滤食性贝类的主要饵料，也是海洋主要的初级生产者，因此研究贝类养殖对浮游植物群落的影响具有重要的科学意义。
Phytoplankton is the main food to the bivalve filter-feeders and the marine primary producer, so the impacts on the phytoplankton community by scallop culture deserve studying.
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