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、生物、根密度和根长存在较大差异，这些差异对水生植物泌、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。