'The negative impacts of overdevelopment of hydropower would destroy the river's diverse aquatic life,' the letter said.
公开信说,水电过度开发将会破坏长江水生生物的多样性。
'The negative impacts of overdevelopment of hydropower would destroy the river's diverse aquatic life,' the letter said.
公开信说,水电过度开发将会破坏长江水生生物的多样性。
Herbs paludose or aquatic, perennial or under unfavorable conditions annual.
草本沼生的或水生,多年生植物的或在不利的状一年生草本的。
It is an organ of perennation or vegetative propagation, and is characteristic of various water plants (e.g.Sagittaria).
这是多年生营养繁殖器官,还是多种水生植物的特征之一(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.
研的结果表明,不同水生植物的蒸散量、生物量、根密度和根长存在较大的,这些水生植物的泌氧性能、碎石床人工湿地的水力负荷率、氮磷去除效果和有机污染物的降解有重要的影响。
How to keep long-term depurative water quality and form a hygeian hydrophily ecosystem in manmade lake is a key topic we concerned.
建设良好的水生生态系统,使人工湖长期保持水体的清洁是人们关注的重要课题。
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.
摘要水体中氮磷营养物质不断积累,部分藻类及水生生物的过度繁殖,导致了水体的富营养化。
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