[1]任 蕾,徐端妙,吴初平,等.杉木人工林目标树经营技术参数的研究[J].浙江林业科技,2019,39(02):1-6.[doi:10.3969/j.issn.1001-3776.2019.02.001]
 REN Lei,XU Duan-miao,WU Chu-ping,et al.Study on Parameters of Target Tree in Chinese Fir Plantation[J].Journal of Zhejiang Forestry Science and Technology,2019,39(02):1-6.[doi:10.3969/j.issn.1001-3776.2019.02.001]
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杉木人工林目标树经营技术参数的研究()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
39
期数:
2019年02期
页码:
1-6
栏目:
研究简报
出版日期:
2019-07-05

文章信息/Info

Title:
Study on Parameters of Target Tree in Chinese Fir Plantation
文章编号:
1001-3776(2019)02-0001-06
作者:
任 蕾1徐端妙2吴初平3焦洁洁3刘日林2朱锦茹3孙杰杰1袁位高3
1.浙江农林大学 林业与生物技术学院,浙江 杭州 311300;2.景宁畲族自治县林业总场,浙江 景宁 323500; 3.浙江省林业科学研究院,浙江 杭州 310023
Author(s):
REN Lei1XU Duan-miao2WU Chu-ping3JIAO Jie-jie3LIU Ri-lin2ZHU Jin-ru3SUN Jie-jie1YUAN Wei-gao3
1.College of Forest and Biotechnology, Zhejiang A & F University, Hangzhou 311300, China; 2.Forest Farm of Jingning She Autonomous County of Zhejiang, Jingning 323500, China; 3.Zhejiang Academy of Forestry, Hangzhou 310023, China
关键词:
杉木目标树发育阶段人工林
Keywords:
Cunninghamia lanceolata target tree developmental stage artificial forest
分类号:
S791.27
DOI:
10.3969/j.issn.1001-3776.2019.02.001
文献标志码:
A
摘要:
对浙江省杉木Cunninghamia lanceolata主要分布区51个不同发育阶段杉木人工林典型样地调查,分析不同优势木高杉木人工林的径级结构,幵利用126株优势木数据,建立杉木人工林优势木的胸径、树高、冠幅之间关系,得出胸径与树高相关关系的最佳回归方程为:Y=0.361 8X+4.497 9,模型的拟合度R2=0.796 5(X表示胸径,Y表示树高);胸径和冠幅的相关关系的最佳回归方程为:Y=0.137 9X+0.858 9,模型的拟合度R2=0.881 6(X表示胸径,Y表示冠幅)。通过对3株50年生杉木人工林大径级林分优势木的树干解析,研究大径级杉木人工林优势木的胸径、树高与材积的生长觃律,结果显示生长率都呈现逐年降低趋势,树高较为明显。树高、胸径、材积生长率最大值出现在10年生时分别为5.278 7%,15.069%,25.895%;而50年生时仅为0.273 3%,0.186 9%,0.921 7%。研究提出杉木人工林目标树经营的发育阶段划分、合理密度、目标树数量等关键经营技术参数,为杉木人工林的目标树经营提供理论依据。
Abstract:
Establishment of 51typical sample plots with different aged artificial plantations of Cunninghamia lanceolata was carried out in Zhejiang province.126 dominant trees and 3 sample trees were selected for determination of DBH, height and crown diameter.Analysis demonstrated that the best regression equation for relationship between DBH and height of dominants was Y=0.361 8X+4.497 9, R2=0.796 5.The best regression equation for correlation between DBH and crown diameter was Y=0.137 9X+0.858 9, R2=0.881 6.Stem analysis on 3 sample trees showed that the maximum tree height, DBH, and volume growth was at 10-year, respectively 5.278 7%, 15.069%, and 25.895%, and only 0.273 3%, 0.186 9%, and 0.921 7% at 50-years.Parameters such as the development stage division, reasonable density and the number of target trees of Chinese fir plantation were suggested.

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备注/Memo

备注/Memo:
收稿日期:2018-08-11;修回日期:2018-12-06
基金项目:浙江省重大科技计划(2015C02016)
作者简介:任蕾,硕士研究生,从事多功能森林经营研究;E-mail:639517500@qq.com。通信作者:袁位高,研究员,博士,从事森林生态经营与培育研究;E-mail:zfaywg@126.com。
更新日期/Last Update: 2019-06-20