omparative studiesonthe purification ability ofplantsin differentde gree eutrophic water
不同程度富营养化水中植物净化能力比较研究

Forbuildingtheecologicalengineeringtopurifytheeutrophic water,morethantenlocalplants wereselected,and the purification ability and the bio ecologicalcharacter of them were studied.It was foundthatin high degreeeutrophic water,thepurificationeffectof Ipomoea aquatica wasthebest,Eich horniacrassipesand Com melinacom munistooksecond place,Juncussetchuensis,Eragrostisfepathifoli um and Oenanthejavanica also hadsomeeffect;whileinlow degree eutrophic water,Com melinacom munisand Alternanthera philoxeroides werethebest,Ipomoea aquatica,Eichhorniacrassipesand Poly gonum lapathifolium also had good effect,Acorus calamus,Juncussetchuensis,Eragrostis fepathifoli um ,Carex gibba and Hemerocallisfulva werelowerthan others,butcould be usedthroughtheyear.