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