To explore the new methods of water aquaculture abatement increase efficiency,the paper put forward to using the ecological mode of water raise ducks,to reintroduce fish,underwater keep clam and periphery trees.Through duck feces fertile water,cultivating pearl purifying water quality,fish remnants erbium achieve space and resource recycling purpose.This experiment explored and summarized the main technical points.The results showed that the processing water basically met the standard of 《the urban sewage recycle urban miscellaneous water》(G...