【摘要】 为探究东南石栎群落的有效保护与稳定性维持机制，通过群落实地调查、物种多样性测定和稳定性综合评估，得出结论：该群落物种丰富，现有维管植物78科32属192种。群落各层次物种丰富度表现为：灌木层>乔木层>草本层>层间植物；Margalef丰富度指数、Gleason丰富度指数、Shannon-Wiener多样性指数和Simpson多样性指数均表现为：灌木层>草本层>乔木层>层间植物；Pielou均匀度指数表现为：灌木层>层间植物>草本层>乔木层。该群落灌木层物种最丰富，优势度最低，优势种不明显；乔木层优势度最高，优势种明显。该群落拥有较高的物种多样性和稳定性，具有较强的环境适应能力。更多还原

【Abstract】 To explore the mechanism of effective protection and maintain stability of Lithocarpus harlandii community by sample-plot survey and utilization of diversity index, the author determinated the species diversity of Lithocarpus harlandii community in Mangdang Mountain of Fujian Province.The results showed that there are 78 families, 132 genuss and 192 species of vascular plants in plot of Lithocarpus harlandii. The species richness index in different storey showed successively shrub stratum >arborescent stratum>field stratum>interlayer plants;The index pf species richness with Margalef and Gleason and the diversity index of Shannon-Wiener and Simpson wholly reflected tendency of shrub stratum>field stratum>arborescent stratum>interlayer plants; Pielou degree of homogeneity(Jsw) were shrub stratum>interlayer plants>field stratum>arborescent stratum. The shrub layer of this community is the most abundant in species,Although the species was most abundant in shrub stratum but the dominance was lowest;the dominance of arborescent stratum was the most prominent.The community has strong environmental adaptability, and high species diversity and stability.更多还原