湿地的

As a new type of ecosystem, its plant diversity remains unstudied.

人工湿地生物多样性是一个新问题。

The piscator is a species of water snake.

草花蛇是在沼泽湿地活动蛇类。

Therefore, the ladybird beetle could be considered as a potential biocontrol agent in controlling the pine mealybug in practice.

圆斑弯叶毛对湿地松粉蚧有较强捕食作用，通过散放成和幼，数量，能较好地抑制湿地松粉蚧长。

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，不同水生植物蒸散量、生物量、根密度和根长存在较大差异，这些差异对水生植物泌氧性能、碎石床人工湿地水力负荷率、氮磷去除效果和有机污染物降解有重要影响。