Calamagrostis epigejos+Miscanths sacchariflorus Community. (7) Carex humida+Carex rhynchophysa Community. . Leaf-floatin挺水植物7个群落:水蒿,芦苇,菰,泽泻+慈菇,大基荸荠,拂子茅+荻,湿苔草+大穗苔草;
dominant species of shrub layer changed from strong-masculine to relatively neutral,dominant species of herb layer chang林下灌木层由强阳性种趋向中性种,林下草本层由栗褐苔草和地果占优势变为蕨类植物占优势;