论文部分内容阅读
老龄杉木林下植物群落的物种种类较为丰富,共有85种植物,其中蕨类植物门8种,种子植物门77种;以山茶科、清风藤科、交让木科、壳斗科、紫金牛科、防己科、樟科、乌毛蕨科、卷柏科和葡萄科为主要优势种.从群落成份的分布频度级系数来看,A级占总种数的44.71%,说明该群落内的绝大多数种类是分布不均匀的;老龄杉木林下植物属的地理分布以泛热带占绝大多数,其次为旧世界热带分布和热带亚洲分布
There are 85 species of plant species in the understory plant community of the old Chinese fir plantation, including 8 species of the fern and 77 species of the seed plants. The species of Camellia, Scylla, Branch, Section, Fungi Division, Lauraceae, Ukraine hair fern Division, Selaginellaceae and grape family as the main dominant species. According to the distribution frequency-grade coefficient of community composition, Grade A accounted for 44.71% of the total species, indicating that most of the species in the community were unevenly distributed. The vast majority of tropical, followed by the tropical distribution of the old world and tropical Asia