In order to study purification effect of Artificial Floating Island(AFI) on urban landscape water,the experiment conducted respectively in laboratory and outdoor pool in Dalian with canna loaded on the AFI.Water samples for laboratory testing,observation,analysis and research,the results showed that AFI had obvious effects on water purification.In laboratory,the removal rate of TN,TP and COD were 91.35%,45.46% and 56.49%,respectively; and 55.24%,84.33% and 24.25%,respectively,outdoor.The experimental result...