[1]于世川,张建国,叶权平,等. 抚育间伐对黄龙山辽东栎林分质量的影响[J].西北林学院学报,2018,33(3):52-60.[doi:10.3969/j.issn.1001-7461.2018.03.09]
　YU Shi-chuan,ZHANG Jian-guo,YE Quan-ping,et al. Evaluation of the Effect of Thinning on Quercus wutaishanica Forest Quality in Huanglong Mountain[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2018,33(3):52-60.[doi:10.3969/j.issn.1001-7461.2018.03.09]
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 抚育间伐对黄龙山辽东栎林分质量的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第33卷
期数:
2018年第3期
页码:
52-60
栏目:
出版日期:
2018-05-31

文章信息/Info

Title:
 Evaluation of the Effect of Thinning on Quercus wutaishanica Forest Quality in Huanglong Mountain
文章编号:
1001-7461(2018)03-0052-09
作者:
 于世川1; 张建国2; 叶权平1; 张文辉*
 （1.西北农林科技大学 陕西省林业综合实验室，陕西 杨陵 712100；2.陕西省延安市黄龙山林业局，陕西 黄龙 715700）
Author(s):
 YU Shi-chuan1; ZHANG Jian-guo2; YE Quan-ping1; ZHANG Wen-hui1*
 （1.Key Comprehensive Laboratory of Forestry in Shaanxi Province,Northwest A&F University,Yangling,Shaanxi 712100,China; 2.Huanglongshan Forestry Bureau of Yan’an City,Huanglong,Shaanxi 715700,China）
关键词:
 ; 辽东栎; 抚育间伐; 林分质量评价; 层析分析法
Keywords:
Quercus wutaishanica;  tending thinning;  forest stand quality evaluation;  analytic hierarchy process
分类号:
S792.18
DOI:
10.3969/j.issn.1001-7461.2018.03.09
文献标志码:
A
摘要:
 以黄龙山辽东栎(Quercus wutaishanica)天然次生林为对象，通过近自然抚育间伐10 a后对其林分质量进行调查与分析并评价，为黄土高原地区森林经营、林分质量评价体系的构建提供依据。对辽东栎林抚育间伐保留郁闭度0.6、0.7、0.8设置固定试验样地，同时设置对照（郁闭度0.9）样地。以层次分析法对不同间伐下阴阳坡的辽东栎林林分质量进行综合评价。结果表明，与对照相比，无论阴坡还是阳坡，胸径平均生长量随着间伐强度增大而增大，但受间伐强度影响不显著，其余11个指标在阴阳坡中均表现为受间伐强度影响显著；在阳坡，灌木盖度、草本盖度在重度间伐时最大，分别为0.37±0.023 8、0.75±0.020 41；建群种幼苗幼树数量/建群种数量、建群种重要值、灌木盖度、草本盖度与对照相比随着间伐强度增大而增大，乔木蓄积量、枯落物厚度与对照相比随着间伐强度增大而减小；在阴坡，幼苗幼树密度在中度间伐时最大，为1 839.25±18.309 26；重度间伐次之，为1 402.25±24.760 1；物种丰富度、树高平均生长量、灌木盖度、草本盖度与对照相比随着间伐强度增大而增大，乔木蓄积量与对照相比随着间伐强度增大而减小；无论阳坡还是阴坡，随着间伐强度增加，辽东栎林分质量先增加后减少，中度间伐（保留郁闭度0.7）是其最佳间伐强度。
Abstract:
 Taking the natural secondary forest of Quercus wutaishanica occurring in Huanglong Mountain as the research object,effects of close to nature thinning management were investigated 10 years after the implementation of the management to provide theoretical basis of thinning on Q.wutaishanica on Loess Plateau and on the establishment of forest quality evaluation system.Fixed experimental sample plots were set up with different canopy densities: i.e.,0.6 (heavy thinning),0.7 (medium thinning),0.8 (light thinning),and 0.9 (no thinning,control).Comprehensive evaluation was conducted on the quality of Q.wutaishanica stands with different thinning densities and slope directions by using the analytic hierarchy process (AHP).The results showed that comparing with the control,the annual growth of diameter at breast height (DBH) increased with thinning intensity,while thinning intensity had no significant influence on it and thinning intensity had significant influence on other eleven indexes in both sunny and shady slopes.In the sunny slope,shrub coverage and herb coverage were the highest at heavy thinning,0.37±0.023 8 and 0.75±0.020 41,respectively.The number of seedlings and saplings of constructive species/ number of constructive species,frequency situation,shrub coverage and herb coverage increased with thinning intensity,while stock volume and litter depth decreased with the thinning intensity.In the shady slope,the seedling/saplings density was the highest (1 839.25±18.309 26) under medium thinning,,followed by heavy thinning (1 402.25±24.760 1).Species richness,height mean annual increment,shrub coverage and herb coverage increased with the thinning intensity,while stock volume decreased with the thinning intensity.In both sunny and shady slopes,with the increase of thinning intensity,Q.wutaishanica forest quality firstly increased and then decreased,so medium thinning (crown density of 0.7) was the best thinning intensity for it.

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备注/Memo

备注/Memo:
 收稿日期：2017-03-10修回日期：2017-12-15
基金项目：国家林业局全国森林经营基础研究项目（1692016-03）；黄土高原松栎林多功能近自然经营作业法及其效益监测研究。
作者简介：于世川，男，硕士，研究方向：森林近自然经营理论与技术。E-mail：1623051070@qq.com
*通信作者：张文辉，男，教授，博士生导师，研究方向：植物种群生态与森林定向培育。E-mail：83995176@qq.com
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