福建牛姆林自然保护区天然林植物区系组成分析

对福建省牛姆林6个天然林样地的植物区系组成统计分析结果表明，牛姆林天然林的植物种类组成丰富，在2900m^2范围有248种高等植物分属82科153属，其中蕨类植物11科14属16种，裸子植物3科3属3种，被子植物71科136属229种，种子植物属的系数为61．69；区系地理成分较为复杂，属的地理成分以热带分布型为主，63．36％的热带地理成分及32．82％的温带地理成分显示出牛姆林地处南亚热带北缘的地理特点。

Analysis of the seed plant flora in the nature forests of Niumulin nature reserve zone, Fujian Province

The study on the flora of six nature forests shows that the composition of plant species is abundant in the nature forests of Niumulin nature reserve zone, there are 248 species of high plants in 2900 m² area, which belong to 153 genera in 82 families. Among them, 16 species of 14 genera in 11 families are pteridophte, and 3 species of 3 genera in 3 families are Gymnosperm, and 229 species of 136 genera in 71 families are Angiosperm. The coefficient of genus is 61.69. On the distribution pattern of gunus, the tropic distribution pattern is the main floristic element. 63.36% of the genera in the nature forests belongs to tropic, and 32.82% of the genera belongs to temperate, which shows the geographical characteristics of Niumulin nature reserve zone that lies in northern edge of South Subtropical Area.