岳麓山地区鸟类群落生态研究

根据植被结构、生态环境和鸟类的组成，岳麓山地区可划分为６个不同的鸟类生态群落，各群落鸟类组成不同，优势种的优势指数也有差异。优势指数以群落Ｉ最高，群落Ⅵ最低，相邻的群落间，相似指数明显高于其他群落，群落Ⅲ的指数累积值最高（３．１４１２）。

Community ecology Birds on Area of the Yuelu Mountain

On the basis of.vegetation,eec-environment and the component of birdspecies,6 kinds of bird communities exist inthis area.For each community,there is its owncharacteristics of ever-llVing birds,summer-living birds and winter-living birds,the dominant species and dominant index of the community is also different.In the sequence of community 1 to 6,the complex indexes and uniferm indexes increase gradually. The dominantindex of community 1 is maximum(0,428)and that community 6 is minimum(0.055).Thesimilitude index of two hear by communities is apparently lager that of others and in community 3,the total value of similitude is maximum(3.1 412).