2011Performance of a floating treatment wetland fo

2011Performance of a floating treatment wetland for in-streamWETLANDRESTORATIONPerformanceofafloatingtreatmentwetlandforin-streamwaterameliorationinNEItalyG.DeStefani•D.Tocchetto•M.Salvato•M.BorinPublishedonline:18May2011�SpringerScience+BusinessMediaB.V.2011AbstractFloatingtreatmentwetlandsareinnova-tivesystemsandtheirprocessesarestillscarcelyknownwithinthetraditionalmethodsofphytodepu-ration.Togaininitialinformationontheirperfor-manceandpotentialinremovingpollutants,twoexperimentshavebeenconductedinnortheastItaly,inaNaturalParkwithresurgentwater.Barriersformedbyanewpatentedfloatingelementweretestedinrealclimaticandwaterflowconditions.Oneexperimentwasconductedinachannelreceivingaquacultureeffluents,whiletheotherwassetintwocleanerchannelstotesttwoinstallationdesigns(twobarrierscomposedoftwolinesofelements—292designandtwocomposedofthreelinesofele-ments—293design).Differentmacrophytespecieswereused(Phragmitesaustralis,Carexelata,Juncuseffusus,Typhalatifolia,Chrysopogonzizanioides,Spargan