【摘要】 研究了邛海冬候鸟的组成、种群相对数量及其优势度 :分析出冬候鸟在不同年份的分类阶元和优势度的相似性系数变小 ,冬候鸟渐趋贫乏 ,并提出相应的保护建议 .更多还原

【Abstract】 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.更多还原