海洋浮游动物 meaning in English

marine zooplankton

The order euphausiacea consists of 86 or 87 species distributed over the ocean of the world , plays an important role in marine ecosystem , particularly in southern ocean , and is the key link of marine primarily productivity and higher trophic levels . krill fisheries are relatively recent developments . 47 species belonging to seven genera of two families in krill were recorded in china seas
磷虾是一类大型的海洋浮游动物，数量大，分布广，是海洋浮游动物的重要类群之一，在海洋生态系统中具有重要地位，尤其在南大洋，是维系海洋初级生产者与更高营养阶的主要环节之一；同时，磷虾又是许多经济鱼类的主要饵料，近年来，磷虾作为新兴的渔业资源正引起人们的高度重视。