水生的

'The negative impacts of overdevelopment of hydropower would destroy the river's diverse aquatic life,' the letter said.

公开信说，电过度开发将会破坏长物多样性。

Herbs paludose or aquatic, perennial or under unfavorable conditions annual.

草本沼或，多年植物或在不利状况下为一年草本。

It is an organ of perennation or vegetative propagation, and is characteristic of various water plants (e.g.Sagittaria).

这是多年营养繁殖器官，还是多种植物特征之一(例如：Sagittaria)。

The result indicates that great differences,which have significant influence on the aqua-plants,exist in the evapotranspire,the bio-mass,the root density and the root length.

研究结果表明，不同植物蒸散量、物量、根密度和根长存在较大差异，这些差异对植物泌氧性能、碎工湿地力负荷率、氮磷去除效果和有机污染物降解有重要影响。

The water eutrophication is caused by the incessant accumulation of nitrogen and phosphorus in water and excessive propagation of a few of algal and hydrobios.

摘要体中氮磷营养物质不断积累，部分藻类及物过度繁殖，导致了体富营养化。