许多种类作为淡水浮游生物和许多盐湖的主要成分而闻名全球。
Many species are known worldwide as major components of freshwater PLANKTON and also of many saline lakes.
此期间，河流带入湖泊的泥沙少，洪湖拥有一个开阔、稳定、浮游生物较多的淡水湖泊环境。
The Honghu lake had a open, stable environment enriched in plankton diatoms, with less sediment from the river during this period.
此期间，河流带入湖泊的泥沙少，江汉平原拥有一个开阔、稳定、浮游生物较多的淡水湖泊环境。
It was suggested that the lakes in the Jianghan plain were of open and stable fresh water lake environments rich in planktons and with small amount of clay carried by rivers during this period.
应用推荐