广西玉林市东郊夏季鸟类群落的初步研究

Community of Summer Birds in East Urban of Yulin,Guangxi

2005年3～7月对玉林市东郊夏季鸟类群落进行了调查和研究。根据植被结构、生态环境和鸟类组成，该地区可划分为4个鸟类生态群落。对这4个鸟类群落的组成、群落间的相似性和均匀度以及群落生物多样性做了分析和讨论，群落Ⅱ的多样性指数最高，群落Ⅳ的均匀性指数最高，群落间的相似性指数以群落Ⅰ与群落Ⅱ之间的最高。

From March to July of 2005, the bird community in summer in the east urban of Yulin was investigated. On the basis of vegetation, eco-environment and the component of bird species, four kinds of birds communities existed in this area. The composition, similarity of communities, evenness index and community biodiversity for four bird communities were analyzed. Result showed that the community biodiversity of community Ⅱ was maximum. The evenness index of community Ⅳ was maximum. The similarity index of community Ⅰand Ⅱ was maximum.