The higher salinity the decreased biomass,can consider Phragmite australis is a kind of pseudohalophyte.The growth in freshwater is better than in any salinity conditions.

• 矿化度越高芦苇的生长态势越差，可以认为芦苇是一种假盐生植物，淡水中芦苇的生长比有一定盐度生长状况良好。