[1]张小鹏,王得祥*,张鹏,等. 抚育间伐对小陇山林区华山松林下植物多样性的影响[J].西北林学院学报,2017,32(2):37-42.[doi:10.3969/j.issn.1001-7461.2017.02.06]
　ZHANG Xiao-peng,WANG De-xiang*,ZHANG Peng,et al. Effects of Thinning on the Diversity of Undergrowth of Pinus armandii Plantation in Xiaolong Mountainous Region[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2017,32(2):37-42.[doi:10.3969/j.issn.1001-7461.2017.02.06]
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 抚育间伐对小陇山林区华山松林下植物多样性的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第32卷
期数:
2017年第2期
页码:
37-42
栏目:
出版日期:
2017-03-31

文章信息/Info

Title:
 Effects of Thinning on the Diversity of Undergrowth of Pinus armandii Plantation in Xiaolong Mountainous Region
文章编号:
1001-7461(2017)02-0037-06
作者:
 张小鹏1; 王得祥1; 2*; 张鹏1; 张岗岗1; 刘文桢3; 沈亚洲3; 张晓梅4
 （1.西北农林科技大学 林学院 国家林业局黄土高原林木培育重点实验室，陕西 杨陵 712100；2.甘肃小陇山森林生态系统国家定位观测研究站，甘肃 天水 741022；3.甘肃省栎类次生林生态系统重点实验室，甘肃 天水 741022；4.陕西省退耕还林工程管理中心，陕西 西安 710082）
Author(s):
 ZHANG Xiao-peng1; WANG De-xiang1; 2*; ZHANG Peng1; ZHANG Gang-gang1; LIU Wen-zhen3; SHEN Ya-zhou3; ZHANG Xiao-mei4
 (1.College of Forest,Key Laboratory of Siviculture on the Loess Plateau of State Forestry Administration,Northwest A&F University,Yangling,Shaanxi 712100,China; 2.Forest Ecosystem Locational Research Station in Xiaolong Mountain of Gansu Province; 3.Key Laboratory of Oak Secondary Forest Ecosystem of Gansu Province,Tianshui,Gansu 741022,China)
关键词:
 ; 华山松人工林; 间伐强度; 坡向; 植物多样性
Keywords:
Pinus armandii plantation;  thinning intensity;  slope aspect;  plant diversity
分类号:
S791.241
DOI:
10.3969/j.issn.1001-7461.2017.02.06
文献标志码:
A
摘要:
 为探索不同间伐强度对华山松人工林下植物多样性的影响，在甘肃小陇山林区设置典型样地，以29年生华山松人工林为研究对象，分析弱度间伐（20%）、中度间伐（30%）和强度间伐（40%）林下的灌草丰富度指数、植物多样性指数以及均匀度指数的变化规律，并以未间伐样地作为对照，比较不同样地间的共有种和相似性系数。结果表明：1）随着间伐强度的增大，华山松林下灌草植物种类明显增加，强度间伐林下植物多样性指数和均匀度指数最高；2）阴坡样地的物种丰富度大于阳坡样地，但坡向对林下植物多样性指数和均匀度指数没有显著影响；3）不同强度间伐样地之间有较多的共有种，但与未间伐样地间的相似性系数较低。研究表明，强度间伐能够维持小陇山林区华山松人工林下较高的植物多样性，且以阴坡林下的物种丰富度最大。
Abstract:
 In order to explore the effect of thinning intensity on plant diversity of undergrowth of Pinus armandii plantation,the species richness index,diversity index and evenness index of shrub and herbage under light thinning (20%),medium thinning(30%) and heavy thinning (40%) were investigated taking the un-thinned forest as the control.The typical plots were set in a 29 year-old P.armandii plantation in Gansu Xiaolong Mountainous region,and the common species and similarity coefficient were compared between different areas.The results showed that 1) with the increase of thinning intensity,species of undergrowth increased,and the plant diversity and evenness indices were the highest under heavy thinning intensity.2) The species richness in shady slope was much greater than sunny slope,but there was no significant influence of slope aspect on the diversity and evenness indices.3) There were more common species in sample areas after thinning.However,the similarity coefficient in thinned forest was lower than un-thinned forest.As a result,heavy thinning could sustain higher level of plant diversity under P.armandii plantation in Xiaolongshan forest area,and the species richness in shady slope was the largest.

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备注/Memo

备注/Memo:
 收稿日期：2016-06-30修回日期：2016-07-10
基金项目：国家自然科学基金（31470644）。
作者简介：张小鹏，男，硕士，研究方向：森林生态学。E-mail:forestzxp@126.com
*通信作者：王得祥，男，博士，教授，博士生导师，研究方向：森林生态学。E-mail:wangdx66@126.com
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