两江机场冬季鸟类群落生态研究

A STUDY ON THE ECOLOGY OF WINTERING BIRD COMMUNITY IN LIANGJIANG AIRPORT

两江机场及其附近的冬季鸟类群落由 6 4种组成 ,分别隶属于 1 0目 2 4科 ,其中优势种 1 2种 ,占总种类数的 1 8.75 % .重要性值分析显示 ,最重要的种类有 3种 ,即白、田鹨和白头鹎 .按鸟类的生境分布系数划分 ,广性分布型有 2 4种 ,占总种类数的 37.5 % ,构成了该地各生境鸟类群落组成的主体 .不同生境的鸟类群落结构存在一些差异 .结构复杂的生境 ,鸟类群落由 3个鸟类分布群组成 ,结构简单的生境 ,鸟类群落由 2个鸟类分布群组成 .

A field survey was conducted in Liangjiang Airport and its neighbourhood.The result shows that the wintering bird community in this area consists of 64 species belonging to 10 orders and 24 families,and 12 species of them,representing 18.75% of the whole species,are dominant species.An analysis of importance value indicates that 3 species,i.e.Motacilla alba leucopsis,Anthus novaeseelandiae richardi,Pycnonotus sinensis sinensis,are the most important species.According to the habitat distributive coefficient of birds,24 species,which represent 37.5% of the whole species and constitute the main part of the bird communities in all the four habitats,are classified as cosmopolitan distribution pattern.The structure of bird community varies somewhat in different habitats.The component species of bird community consist of three avian distribution groups in the complicated habitats,but of two in the simple habitats.The avian distribution groups vary in proportion in bird communities of different habitats as a result of the variation of the habitat structure.