[1]刘星旦,康永祥*,甘明旭,等. 黄帝陵古侧柏树干心腐研究[J].西北林学院学报,2017,32(2):180-187.[doi:10.3969/j.issn.1001-7461.2017.02.31]
　LIU Xing-dan,KANG Yong-xiang*,GAN Ming-xu,et al. A Study on Trunk Decay of Ancient Platycladus orientalis in Tomb of Yellow Emperor[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2017,32(2):180-187.[doi:10.3969/j.issn.1001-7461.2017.02.31]
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 黄帝陵古侧柏树干心腐研究()
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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:
180-187
栏目:
出版日期:
2017-03-31

文章信息/Info

Title:
 A Study on Trunk Decay of Ancient Platycladus orientalis in Tomb of Yellow Emperor
文章编号:
1001-7461(2017)02-0180-08
作者:
 刘星旦1; 康永祥1*; 甘明旭1; 李小军2; 刘伟2
 （1.西北农林科技大学 林学院，陕西 杨陵 71210；2.黄帝陵管理局，陕西 黄陵 727300）
Author(s):
 LIU Xing-dan1; KANG Yong-xiang1*; GAN Ming-xu1; LI Xiao-jun2; LIU Wei2
 (1.College of Forestry,Northwest A&F University,Yangling,Shaanxi 712100,China; 2.Administration of Yellow Emperor Tomb,Huangling,Shaanxi 727300,China)
关键词:
 ; 树木雷达; 黄帝陵; 侧柏; 树干心腐
Keywords:
 ; tree radar unit;  Tomb of Yellow Emperor;  Platycladus orientalis;  trunk decay
分类号:
S758.7
DOI:
10.3969/j.issn.1001-7461.2017.02.31
文献标志码:
A
摘要:
 运用TRU树木雷达对黄帝陵古侧柏的树干心腐情况进行研究，以陵区后山81株和轩辕庙19株古侧柏为研究对象，检测中形成3种内部截面腐烂状况，即空洞、腐烂、疏松。以树干心腐面积占树干横截面积的百分比为指标划分树干腐烂等级，并对树干心腐程度与胸径、树干高度、冠幅宽度、冠幅面积、偏冠率（RCI）、冠高比的关系进行研究。结果表明：1）良性部分、疏松区域、腐烂区域和空洞区域所占百分比都与胸径有明显的相关关系，R2分别为0.853 0、0.668 8、0.629 1、0.814 7，其中，良性部分所占百分比与胸径呈负相关关系，疏松区域、腐烂区域和空洞区域所占百分比都与胸径呈正相关关系；2）古侧柏树干心腐最早发生在树干基部，而后逐渐向上蔓延；3）古侧柏树干心腐与冠幅宽度、冠幅面积、偏冠率、冠高比都有明显的相关关系，R2分别为0.744 8、0.736、0.826 8、0.608 5，树干心腐与冠幅宽度、冠幅面积、冠高比都呈负相关关系，与偏冠率呈正相关关系。研究表明，应用TRU可以实现对树干心腐的有效检测，准确性较高，可作为古树树干心腐检测的可靠方法之一。
Abstract:
 Tree radar unit was applied to detect the trunk decay conditions of 81 ancient Platycladus orientalis trees on the back hill of mausoleum and 19 around the Xuanyuan Temple.Three different kinds of rotten sections were found:hollow,rotten,and loose.Taking the ratio of rotten area to cross-section area as the indicator,the rotten levels in the trunk were estimate.The relationships between rotten level and other parameters were investigated,including diameter at breast height (DBH),height of trunk,crown width,crown area,ratio of crow inclination (RCI),and ratio of crown to height.Significant correlations were found between the percentages of healthy,loose,rotten,and hollow parts and DBH,the values of R2 were 0.853 0,0.668 8,0.629 1,and 0.814 7,respectively,among them,the correlation between the percentage of healthy part and DBH was negative,and positive between other parts and DBH.In addition,initial rot occurred in the basic level of the trunk,and then gradually spreading upward.Crown width,crown area,ratio of crow inclination (RCI) and ratio of crown height had significant correlation with the rotten level with R2 values of 0.744 8,0.736,0.826 8,and 0.608 5,respectively.The rotten level was negatively correlated with crown width,crown area and ratio of crown height,but positively correlated with ratio of crow inclination.The results indicated that TRU could detect trunk rotten situations effectively,with high accuracy,which could be used as a reliable method of trunk nondestructive testing.

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备注/Memo

备注/Memo:
 收稿日期：2016-08-04修回日期：2016-10-18
基金项目：国家林业公益性行业科研专项项目“黄河中游Ⅰ级古树名木保护关键技术研究”（201404302）；西北农林科技大学校重点科研专项（Z109021310）。
作者简介：刘星旦,女，在读硕士，研究方向：古树保护与复壮。E-mail:849428299@qq.com
*通信作者：康永祥，男，教授，研究方向：古树名木保护与复壮。E-mail:yxkang@nwsuaf.edu.cn
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