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根据 16 0 0 m2 样方统计 ,群落区系组成有 4 3科 6 4属的 80个种 ,平均 10 0 m2 5种 ,虽种类组成不复杂 ,其中 87.5%的属仅出现 1种 ,6 .3%的属含少数种。乔木层多数优势种为稳定型种群 ,所以乔木层优势区系成分相当稳定 ,表明该群落为一种顶极群落。 59个种子植物属只有 10个分布区类型和 4个变型 ,地理成分不复杂 ,其中热带分布 2 7属占 4 6 .6 % ,温带分布 31属占 53.4 % ;热带分布以泛热带和热带亚洲分布为主 ,分别占 52 .6 %和 4 7.4 % ,温带分布为北温带和东亚分布各占50 %。 2 5个乔木层树种中 ,中亚热带地理分布类型的占 76 % ,南亚热带地理分布类型的占 16 % ,北亚热带地理分布类型占 8% ,重要值指数排列前 6名的均为中亚热带地理分布类型 ,所以该群落为亚热带性质。已知 79种组成种类常绿成分占 595% ,落叶成分占 4 0 .5% ,其中以中高位芽植物最多 ,占 2 7.8% ,又以常绿阔叶中高位芽植物为多 ,占 15.2 %。 79种组成植物 ,小型叶多于中型叶 ,分别占 55.7%和 32 .9%。乔木层种类 6 0 0 m2 有 18种 ,16 0 0 m2 有 2 9种 ,均不多 ,但物种多样性指数接近亚热带地带性代表群落
According to the 16 0 0 m2 quadrat statistics, there are 80 species belonging to 43 families, 64 genera, and an average of 10 0 m2 in the flora. Although the species composition is not complicated, only 87.5% of them belong to one species. 3% of the genus contains a few species. Most of the dominant species of arbor layer were stable population, so the dominant fauna component of arbor layer was quite stable, indicating that the community was a climax community. There were only 10 types of distribution and 4 varieties in 59 seed plants. The geographical components were uncomplicated. Among them, 27 genera accounted for 46.6% of the total, and 31 genera accounted for 53.4% of the total. The distribution of tropical plants in the tropical and tropical Asia Which accounted for 52.6% and 44.4% respectively. The distribution of temperate zone was 50% in the north temperate zone and East Asia. Of the 25 tree species, the subtropical distribution accounted for 76%, the South Asia subtropical distribution accounted for 16%, the North subtropical distribution accounted for 8%, and the top 6 values for the importance index were all in the subtropical geography Distribution type, so the community is subtropical. It is known that the composition of 79 species is 595% of the evergreen and 40.5% of the leaves are deciduous, of which the most is the middle and high buds, accounting for 2 7.8% %. 79 kinds of plants, small leaves more than medium leaves, accounting for 55.7% and 32.9%. There were 18 species of 6 000 m2 in tree layer, 29 species in 16 0 0 m2, but not much in species diversity, but the species diversity index was close to that of subtropical zonation