武汉地区鸟类之研究(Ⅱ)——种类的季节性变动及种群数量变动 STUDIES ON THE BIRDS OF WUHAN(Ⅱ) 胡鸿兴 first-author 唐瑞昌 唐兆子 <正> 我们运用近四十年来所积累和采获的武汉地区鸟类标本和资料,在分析本区鸟类物种组成和区系特征的基础上,进而对本区鸟类的季节性变动、物种季节型的改变以及珞珈山和东湖附近常见鸟类的种群数量变动,进行初步分析和探讨。一、武汉地区鸟类物种的季节性变动 1.研究方法根据武汉大学生物系动物标本室于1929至1939、1945至1980计四十年猎得的鸟类标本和野外观察记录,按采获或见到的时间,将本区鸟类282种及亚种分留鸟、夏候鸟、旅鸟和冬候鸟等四种季节型;同时,统计一年中每月出现的种数(见表一),并绘制全年鸟类的季节性变动曲线(见图1)。 On the basis of a large amount of collected materials, the authors have studied the seasonal and quantitative changes of 282 species and subspecies of birds in the region of Wuhan and analyzed the features and causes of such changes. In this paper are reported the behaviors of fhe resident, migrant and wandering birds of Wuhan. The relationship between ecological factors of bird-population and the conservation of natural resources has been discussed. 1981-04-01 2021-04-01 4