水生植物群落對(duì)水體中氮磷凈化效果研究.pdf

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3、nsofnitrogenandphosphorou8inartificialwetlandsafterexogenousnutrientinput，mosaiccommunitiesofdlfferentplantspeciesweresetupinacementchannelingreenhouseAdditionofNandPnutritionalwasintwomanners：singleexogenousnutrientinpu

4、tandcontinueexogenousnutnentinputAftertheadditionofNandPnutritionalsolutionstheconcentra‘10nSofdissolvedtotalnitrogen(DTN)，dissolvedtotalphosphorous(DTP)，NH4-N、N03‘-NandN02。Ninthesurface，middle，andbottom1ayersofthebulkwa

5、terweredeterminedregularlyTheresultsshowthat：(1)TheDTN，NH4-N，TPwereremovesignificantlybythecommunitiesofrnrn冊(cè)ireSaustralis-,4cornscalamuscommunity,Lemnaminorco啪lun∽jLln日ophornglomeratacommunity,Trapaquadrispinosacommunit

6、y,Tr∞nquadrispinosaHydrillaverticillatacommunity,andHpdrmnverticllQtnMyriophyllumspicatumcommunity，andthatofN03--Nwas1essobvious(2)UndertheconditionsofhighNandPnutrientloads(DTN70mgnNH4十一N428mg’L～；TP042mgL’1)，theorderofD

7、TNremovalefillciencvwaS，向心咿2z飽s口搬刪括ACORMScalamuscommunityLemnamino，communityLz口d叩ho陽(yáng)glomeratacommunityTrapaquadrispinosacommunityZ沱護(hù)日quadrispinosaHydrillaverticillatacommunity汐dr滋nve衙clIntnmyrjophyllumspicatumcommunity；t

8、heorderofNH4-NremovalefficiencvwasL蝴刀口聊7nDrcommunityCladophoraglomeratacommunityP辦朋冊(cè)娩snuS臼QilSAcoruscalamuscommunityTrapaquadrispinosaHydrillave州clIntncommunl夠緲咖f砌verticillataMyriophyllumspicatumcommunity砒陽(yáng)quadrispinosac

9、ommunity；theorderquadrispinosaHydriilaverticillataofDTPremovalefficiencywasTrapacommunityLemnaminorcommunity，廳n臼lgm7五Ps口ustralisAcoruscalamuscommunityTrapaquadrisp辦幻s口communitvLlndophornglomeratacommunityHydrillaverticil

10、lataMyriophyllMmspcn‰mcommumtyTheremovalefficiencyofNandPnutrientswashigherinthecommunitv砒1rapnquadrispinosaHydrillaverticillatathanintheTrapaq醣口drlspinos僅communityandHydrillaverticillatacommunityTheresultsshowedthatther