[1]樊晓英,廖超英,谢燕,等.毛乌素沙地东南部樟子松生长状况调查分析[J].西北林学院学报,2008,23(04):112.
 FAN Xiao ying,LIAO Chao ying*,XIE Yan,et al.Investigation and Analysis on the Growth of Pinus slyvestris var.momgolica in Southeast Maowusu Desert Areas[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2008,23(04):112.
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毛乌素沙地东南部樟子松生长状况调查分析()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第23卷
期数:
2008年04期
页码:
112
栏目:
出版日期:
2008-07-30

文章信息/Info

Title:
Investigation and Analysis on the Growth of Pinus slyvestris var.momgolica in Southeast Maowusu Desert Areas
作者:
樊晓英廖超英谢燕
西北农林科技大学,陕西 杨陵 712100,福建农林大学,福建 福州 350003
Author(s):
FAN Xiaoying1LIAO Chaoying1*XIE Yan2GAO Baoshan1
1.Northwest A&F University,Yangling,Shaanxi 712100, China;2.Fujian Agriculture and Forestry University,Fuzhou,Fujian 350003, China
关键词:
樟子松生长状况相关性分析
Keywords:
Pinus slyvestris var.momgolica growth correlation analysis
分类号:
S791.253.01
文献标志码:
A
摘要:
通过对毛乌素沙地东南部樟子松的树高、冠幅、胸径、树龄、分枝层数、总枝数、树干偏度、枯枝数目、枯叶情况、枝下高、轮生枝近地层间距、株行距共12个指标的调查、观测和分析,结果表明:树高、胸径、轮生枝近地层间距、总枝数生长随树龄的增长而增长,它们和树龄的相关系数分别为0.95、0.91、0.72、0.75;树木的高生长、胸径生长和树龄、总枝数、枯枝数、行距都有较大的相关性。樟子松的栽植密度引起空间竞争是树木产生枯枝、枯叶,树皮剥离,树木偏冠的主要原因。株距、行距和冠幅的相关系数为0.96、0.81。大风引起树木周围的温度、湿度和蒸腾以及受力情况改变,进而导致樟子松生长整体不良,出现树木生长弯曲,偏斜。树木的高生长,粗生长和总枝数生长在纯林中比在混交林中快,但是有提早衰退的趋势。混交林虽然生长较慢,但是没有提早衰退的迹象。
Abstract:
12 indices of Pinus slyvestris var. momgolica growing in southeast Maowusu desert areas were measared, such as height,crown size,stem diameter at breast height (DHB),age,the number of ramification layer,the number of total branches,leaning degree of stem,the number of deadwood,withered leaf,high of the branches near ground,layer space between ring branches near ground,individual plant and row space. The results showed that the growth of tree hight,DHB,layer space between ring branches near ground,number of total branches increased along with tree ages,with their correlation coefficients of 0.95,0.91,0.72 and 0.75 respectively. trees height, DHB and age number of total branch the number of deadwood and row space. Room competition resulted from plant density was the main reason leading to deadwood,withered leaves,bark abscission,deflection crown. The correlation coefficients between individual plant space,row space and crown size were 0.96 and 0.81.Change of temperature,humidity and transpiration and strength around the trees caused by strong wind were the main reasons resulting the poor growth of P. slyvestris var. momgolica, manifested as bend and inclined tree stems. The growths of tree height, thickness, and total branches exhibited were faster in pure stands than those in mixed stands, but exhibited the tendency of early declining.

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备注/Memo

备注/Memo:
收稿日期:20071105修回日期:20080328 作者简介:樊晓英,男,工程师,主要从事水土保持和林业工程研究。通讯作者:廖超英,男,教授,博士生导师,主要从事生态环境工程的研究。Email:chaoying95@163.com。
更新日期/Last Update: 2008-07-30