杉木老龄林与原生杂木林群落外貌特征比较分析.PDFVIP

第 26 卷第 4 期 南京林业大学学报(自然科学版) Vo 1. 26 , No . 4 2002 年 7 月 Journa1 of N anjin只 Forestry U niversity( N atura1 Sciences Edition) }u 1. , 2002 杉木老龄林与原生杂木林群落外貌特征比较分析* 陈光水，杨玉盛，谢锦升，何宗明，游水生 (福建农林大学林学[!日，福建 南平 353001) 摘要:通过对 3 600 m2 76 年生杉木丰产林取代杂木林 标准地调查研究福建南平溪后安曹下 后群落外貌特征的变化结果表明:老龄杉木群落藏类草本植物、地下芽植物、大型叶植物、草 叶植物、非全缘叶植物种类数量比例大于杂木林而乔木、灌木、大高芽植物、小型叶植物、革叶 和厚草叶植物、全缘叶植物种类数量比例小于杂木林。 关键词:杉木林;杂木林;外貌特征 文献标识码:A 中图分类号 S718. 542 文章编号: 1000- 2006(2002)02- 0054- 05 Comparative Analysis of Community Physiognomy Between Matural 。linese Fir and Natural Broad Leaved Forest CHEN Guang- shui , YANG Ytrsheng , XIE Jin-sheng , HE Zong- ming , YOU Shu卡 sheng ( College of Forest Fujian Agriculture and For臼try Universit y, Nanping 353001 , China) Abstract: The changes of community physiognomy characteristics of a 76- yearo 1d Chinese fir community , w hich was originally occupied by a broa企1eaved community , were studied based on the data collected from 2 samp1e p10ts w ith an area of 3 600 m in Ancaoxia , N anping , Fujian Province. The results showed that the 01企grow th Chinese fir community had more percentage of herbaceous pteridophyta , cryptophytes , mega- phyll , herbaceous- 1eaf, and non-entindeaf margin species than the broa企1eaved community , but had 1ess per centage of arbor , shrub , megaphanerophytes , microphyll , 1eather 1ike and thick 1eather 1ike, and entire 1eaf margm speCles. Key words: Chinese fir; Broa仕1eaved community; Community physiognomy 闽北中亚热带地区是我国常绿阔叶林集中分布的地区之一，也是我国南方速生丰产树种杉木 ( Cunninghαmia lanceolαtα) 的中心产区之一。由于大面积发展杉木人工纯林以大量砍伐和破坏天然常 绿阔叶林为代价，致使天然常绿阔叶林的面积不断