| 采伐对长白山阔叶红松林乔木竞争关系的影响 |
| |
| 引用本文： | 齐麟,代力民,于大炮,周莉,赵福安,李宪洲.采伐对长白山阔叶红松林乔木竞争关系的影响[J].安徽农业科学,2009,37(27):13317-13321. |
| |
| 作者姓名： | 齐麟 代力民 于大炮 周莉 赵福安 李宪洲 |
| |
| 作者单位： | 齐麟(中国科学院沈阳应用生态学研究所,辽宁沈阳,110016;中国科学院研究生院,北京,100049);代力民,于大炮,周莉(中国科学院沈阳应用生态学研究所,辽宁沈阳,110016);赵福安,李宪洲(吉林森工集团露水河林业局,吉林白山,134506) |
| |
| 基金项目： | 国家自然科学基金，国家科技支撑项目 |
| |
| 摘 要： | 目的]研究不同采伐方式与强度对阔叶红松林群落结构和功能的影响。方法]通过调查乔木的胸径、树高以及在样方中的位置等指标。采用Hegyi单木竞争指数模型，对长白山地区受不同采伐方式以及强度干扰的阔叶红松林群落中乔木竞争强度进行定量分析。结果]不同采伐方式和强度对阔叶红松林中乔木竞争强度有不同影响，低强度择伐后变化最小，皆伐后变化最大。不同林层间乔木竞争强度有明显差异，主林层〈次林层〈林下层。无论采伐方式与强度如何，红松的胸径与其竞争指数都严格服从CI=A（DBH）B的幂函数关系。采伐对红松种内竞争强度有重要影响，随着采伐强度的加大，红松种内竞争压力减小，红松幼树更新得到促进。结论]采伐经营应保持17％以下的小强度择伐，而择伐时应选择那些胸径大且在竞争中占绝对优势的针、阔叶树种。
|
| 关 键 词： | 采伐 竞争强度 阔叶红松林 种间竞争 种内竞争 |
Influence of Cutting on the Tree Competition Relation of Broad-leaved Korean Pine Forest in Changbaishan Mountain |
| |
| QI Lin et al.Influence of Cutting on the Tree Competition Relation of Broad-leaved Korean Pine Forest in Changbaishan Mountain[J].Journal of Anhui Agricultural Sciences,2009,37(27):13317-13321. |
| |
| Authors: | QI Lin |
| |
| Institution: | QI Lin et al(Shenyang Institute of Applied Ecology,Chinese Academy of Sciences,Shenyang,Liaoning 110016) |
| |
| Abstract: | Objective] The purpose was to study the effect of different cutting modes and intensity on community structure and function of broad-leaved Korean pine forest.Method] By investigating the indexes of DBH,tree height of trees and their position in quadrat etc.and using Hegyi's single tree competition index model,the quantitative analysis was conducted on competition intensity of trees in the community of broad-leaved Korean pine forest,which were under different cutting modes and intensity interference.Res... |
| |
| Keywords: | Cutting Competition intensity Broad-leaved Korean pine forest Interspecific competition Intraspecific competition |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
