戴云山国家级自然保护区罗浮栲群落特征

Community characters of Castanopsis fabri in Daiyun Mountain National Nature Reserve

采用样方法,对分布在戴云山国家级自然保护区内的罗浮栲群落进行调查。根据调查统计结果,戴云山国家级自然保护区罗浮栲群落总计有维管植物39科61属104种,群落植物生活型以高位芽植物为优势,叶片以革质的中小型全缘单叶为主。罗浮栲是该群落的建群种和优势种,但林下幼树幼苗较少。群落物种多样性丰富,各层次物种多样性表现为灌木层>乔木层>草本层,具有典型的中亚热带常绿阔叶林群落物种多样性特征。

Castanopsisfabri community was distributed at altitudes between 1 100 to 1 300 m in Yong＇anyan, of Daiyun Mountain Nature Reserve, Fujian Province. The community investigation was taken by quadrat methods. Based on the results of statistics on plot investigation, there were 104 vascular plant species, belonging to 39 families and 61 genera, in Castanopsisfabric community in Daiyun Mountain Nature Reserve. In the community, the phanerophytes was the predominant one of the plant life-forms, and the leathery whole edge middle and small single leaf was dominated in the leaf types. Castanopsis fabri was the constructive species and dominant species of the community, but the number of its young trees and seedlings was lower. The species diversity of the community was abundant. The species diversity in different layers was shrub layer 〉 tree layer 〉 herb layer, which has the typical species diversity character of the mid-subtropical evergreen broad-leaf community.