湿地

The piscator is a species of water snake.

草花蛇是在沼泽湿地活动的蛇类。

In 1999, WWF began supporting the nomination and gazetting of Ramsar sites in China.

世界自然基金会从1999年开始支持中国的国际重要湿地申请与加入工作。

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

圆斑弯叶毛虫对湿地松粉蚧有较强的捕食作用，通过散放虫的成虫和幼虫，增加林间虫的数量，能较好地抑制湿地松粉蚧的增长。

Ardeidae bird is one of important species belonging to wet land ecosystem, and regarded as indicator for environmental assessment.

鹭科鸟类是湿地生态系统中重要的生物种类之一,也是环境质量评价的一类指示动物。

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，些对水生植物的泌氧性能、碎石床人工湿地的水力负荷率、氮磷去除效果和有机污染物的降解有重要的影响。