[1]邢鸿林,赵彩鸿,沈忱,等. 红皮云杉人工林树冠特征与生长形质的关系及间伐与修枝对其影响[J].西北林学院学报,2024,39(2):91-96.[doi:10.3969/j.issn.1001-7461.2024.02.12]
　XING Hong-lin,ZHAO Cai-hong,SHEN Chen,et al. Relationship Between Canopy Morphological Characteristics and Growth Characters of Picea koraiensis in Plantations and the Effect of Thinning and Pruning on Them[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2024,39(2):91-96.[doi:10.3969/j.issn.1001-7461.2024.02.12]
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 红皮云杉人工林树冠特征与生长形质的关系及间伐与修枝对其影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第39卷
期数:
2024年第2期
页码:
91-96
栏目:
出版日期:
2024-03-31

文章信息/Info

Title:
 Relationship Between Canopy Morphological Characteristics and Growth Characters of Picea koraiensis in Plantations and the Effect of Thinning and Pruning on Them
文章编号:
1001-7461(2024)02-0091-06
作者:
 邢鸿林; 赵彩鸿; 沈忱; 杨蕾; 沈海龙; 杨玲*
 （林木遗传育种国家重点实验室，东北林业大学 林学院，黑龙江 哈尔滨 150040）
Author(s):
 XING Hong-lin; ZHAO Cai-hong; SHEN Chen; YANG Lei; SHEN Hai-long; YANG Ling*
 (State Key Laboratory of Tree Genetics and Breeding,School of Forestry,Northeast Forestry University,Harbin 150040,Heilongjiang,China)
关键词:
 ; 红皮云杉; 树冠特征; 生长形质; 间伐; 修枝
Keywords:
Picea koraiensis;  canopy morphological characteristics;  growth character;  pruning intensity;  thinning
分类号:
S753.51
DOI:
10.3969/j.issn.1001-7461.2024.02.12
文献标志码:
A
摘要:
 为了解红皮云杉（Picea koraiensis）人工林树冠特征与生长形质的关系，分析不同间伐与修枝组合对红皮云杉人工林树冠特征与生长形质影响规律，明确抚育管理措施强度，为红皮云杉大径材培育技术的建立提供参考依据。以黑龙江省佳木斯市孟家岗林场47 a红皮云杉人工中龄林木为研究对象，利用多目标一维比较法对林木生长形质进行综合评价，采用通径分析方法分析树冠特征与生长形质及综合评价值之间的关系，明确不同间伐与修枝组合对林木生长的影响。结果表明，冠幅、冠形率对树高、胸径、单株材积、活枝下高与生长形质综合指标具有显著正向作用，但冠长率对其具有显著负向作用（P＜0.05）；冠幅、冠形率对胸高形数具有显著负向作用，冠长率对其有显著正向作用（P＜0.05）；树冠特征因子对红皮云杉生长形质性状影响作用与重要性不尽相同，对生长形质综合指标的相对重要性由大到小顺序为冠幅、冠长率、冠形率。不同间伐与修枝组合对树冠特征、活枝下高、胸高形数、生长形质综合指标影响不显著（P＞0.05）；随着间伐强度的增加及修枝强度的降低，林木树高、胸径、单株材积增加，且具有显著差异（P＜0.05）。因此，树冠形态特征因子对红皮云杉生长形质性状因子具有显著直接作用。培育红皮云杉大径材首先要有宽大的冠幅，其次要有狭长的冠形和较小的冠长率。高强度间伐低强度修枝（30%间伐，1/5树高修枝）的管理方式可促进红皮云杉中龄林树高、胸径的生长。
Abstract:
 The objectives of this study were to understand the relationship between canopy morphological characteristics and growth characters of Picea koraiensis in plantations,to analyze the effects of different thinning and pruning combinations on crown characteristics and growth quality,to clarify the intensity of tending management measures,and to provide reference for the establishment of large-diameter timber cultivation technology of P.koraiensis.The artificial middle-aged forests of 47 a P.koraiensis in Mengjiagang Forest Farm of Jiamusi City in Heilongjiang Province was taken as the research object.The growth shape and quality of the forest were comprehensively evaluated by multi-objective one-dimensional comparison method,and the relationship between the canopy morphological characteristics and growth characters as well as the comprehensive evaluation value were analyzed by path analysis method.The effects of different combinations of thinning and pruning on the growth of the forest were clarified.The results showed that crown width and crown shape rate had significantly positive effects on tree height,diameter at breast height,individual wood volume,length of non-knot timber and growth quality,but crown length rate had a significantly negative effect (P<0.05),while crown width and crown shape rate had a significantly negative effect on breast height form factor and crown length rate had significantly positive effect (P<0.05).The effects of crown characteristics on the growth and morphological traits of P.koraiensis varied in importance,with crown width,crown length and crown shape in descending order of relative importance.The effects of pruning on crown morphological characteristics,height under live branches,number of trees at breast height,and the overall index of growth and form quality were not significant (P>0.05) with the increase of intercutting intensity and the decrease of pruning intensity.The tree height,diameter at breast height and wood volume per plant increased and had significant differences (P<0.05).The canopy morphological trait factor had a significant direct effect on the growth morphological trait factor of P.koraiensis.The cultivation of large-diameter P.koraiensis requires firstly a wide crown width,and secondly a narrow crown shape and a small crown length rate.The management of high intensity thinning and low intensity pruning (30% thinning and 1/5 height pruning) can promote the growth of tree height and diameter at breast height in middle-aged P.koraiensis spruce forests.

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备注/Memo

备注/Memo:
 收稿日期：2023-01-05修回日期：2023-04-11
基金项目：国家重点研发项目（2017YFD0600600）。
第一作者：邢鸿林。研究方向：人工林定向培育理论与技术。E-mail:nefuxhl@163.com
*通信作者：杨玲，博士，教授，博士生导师。研究方向：人工林定向培育理论与技术。E-mail:yangl-cf@nefu.edu.cn
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