湿地的

The piscator is a species of water snake.

草花蛇是在沼泽湿活动的蛇类。

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

圆斑弯叶毛瓢虫对湿粉蚧有强的捕食作用，通过散放瓢虫的成虫和幼虫，增加林间瓢虫的数量，能抑制湿粉蚧的增。

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.

的结果表明，不同水生植物的蒸散量、生物量、根密度和根存在大的差异，这些差异对水生植物的泌氧性能、碎石床人工湿的水力负荷率、氮磷去除效果和有机污染物的降解有重要的影响。