Superviston and Protection of Winter Migrating Birds in Qionghai Lake

In this paper we have researched the species composition、the realtive and the dominance of winter migrating birds in Qionghai lake,and analysed the coefficient of similarity of different classified units and dominance in different years.The result indicates that the coefficient of similarity is decreasing by the classifed units and the dominance changed in these years.The birds are becoming less.According to the resedrched and supervised vesult,We give some protective and managing suggestimes fer the winter migrating birds in Qionghai lake.