湘中晚泥盆世早期的两个古群落分析

利用生态地层工作方法对湘中晚泥盆世早期的化石群落进行了研究,并划分出两个古群落,较详细地分析了各群落的生物组成、分异度、相对丰富度、生物的生活方式、基底物质性质等。群落总是与其生存的特定空间环境相联系,每个群落有其自身的生物组成和发展过程。

ANALYSIS OF TWO COMMUNITIES OF EARLY STAGE, LATE DEVONIAN IN CENTRAL HUNAN

The purpose of this thesis is to research on the fossil community of early stage of late Devo-nian in central Hunan on the basis of ecostratigraphy. Two communities are designated. The composi-tion of organisms, the diversity and relative abundance of each taxa, the life habits, the properties ofsubstrata where the organisms lived are analysed in more details. Communities are always closely re-lated to special environments where they lived, Each community has its own composition of organismsand special process of devolopment.