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河流浮游生物 [hé liú fú yóu shēng wù]
[生物] potamoplankton
- 沿海水域通常有更多的悬浮物质，原因为河流的输入，水底翻起的物质，浮游生物的增加。
Coastal waters generally have more suspended material due to river input, material stirred up from the bottom, and increased plankton. - 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 Jiang han 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. - 研究发现：湖底沉积物中有机质丰富，为上层水中的浮游生物和由河流携带来的陆地高等植物两种来源。
Organic matters from abundant terrigenous plants around the lake area composed mainly of microbes and algas are very rich in the lake.
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