陕西韩城黄龙山自然保护区鸟类群落结构分析

通过样线和样方法,分别对陕西韩城黄龙山自然保护区鸟类群落结构、动态及集群行为进行了调查和分析。结果显示:保护区鸟类群落由120种(亚种)鸟类组成,隶属14目31科76属。在群落结构方面,是以古北界种类占有明显优势;受制于自然环境条件的制约,鸟类群落组成和空间配置表现出明显的差异。其中,夏季鸟类群落以广性分布群占优势;冬季鸟类群落以中性分布型占优势。同时该保护区鸟类集群多样化,且具有一定规律的阶段性。

Analysis of Birds' Community structure in Huanglong Mountain Nature Reserve of Hancheng

Through the methods of line transect and sample plot,the birds' community structure,dynamics and behaviors of aggregation in Huanglong Mountain Nature Reserve of Hancheng,Shaanxi were investigated and analysed The result showed that there are 120 species(or subspecies) belonging to 14 orders,31 families,and 76 genera in the birds community.The Palaearctic species dominate obviously in the aspect of community structure.Constrained by the natural conditions,there are obvious difference among the community composition and spatial patterns.Of all the birds in the nature reserve,the widely-distributed population dominates in the summer birds;and moderately-distributed population dominates in the winter birds.In the nature reserve there is a diversity of bird aggregation patterns following a certain rules.