湿地的

The piscator is a species of water snake.

草花蛇是在沼泽湿地活动的蛇类。

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地粉蚧有较强的捕食作用，通过散放瓢虫的成虫和幼虫，增加林间瓢虫的数量，能较好地抑制湿地粉蚧的增长。

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.

研究的结表明，不同水生植物的蒸散量、生物量、根密度和根长存在较大的差异，这些差异对水生植物的泌氧性能、碎石床人工湿地的水力负荷率、氮磷去和有机污染物的降解有重要的影响。