鹅掌楸天然林生长特性研究

刘强; 何彬生; 周永丽; 贾晨; 辜云杰; 罗建勋

doi:10.16779/j.cnki.1003-5508.2016.02.003

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鹅掌楸天然林生长特性研究

刘强 , 何彬生 , 周永丽 , 贾晨 , 辜云杰 , 罗建勋

文章导航 > 四川林业科技 > 2016 > 37(2): 12-17

刘强, 何彬生, 周永丽, 贾晨, 辜云杰, 罗建勋. 鹅掌楸天然林生长特性研究[J]. 四川林业科技, 2016, 37(2): 12-17. doi: 10.16779/j.cnki.1003-5508.2016.02.003

引用本文:

刘强, 何彬生, 周永丽, 贾晨, 辜云杰, 罗建勋. 鹅掌楸天然林生长特性研究[J]. 四川林业科技, 2016, 37(2): 12-17. doi: 10.16779/j.cnki.1003-5508.2016.02.003

LIU Qiang, HE Bin-sheng, ZHOU Yong-li, JIA Chen, GU Yun-jie, LUO Jian-xun. A Study of the Growth Characteristics of Natural Liriodendron chinense Forest[J]. Journal of Sichuan Forestry Science and Technology, 2016, 37(2): 12-17. doi: 10.16779/j.cnki.1003-5508.2016.02.003

Citation:

LIU Qiang, HE Bin-sheng, ZHOU Yong-li, JIA Chen, GU Yun-jie, LUO Jian-xun. A Study of the Growth Characteristics of Natural Liriodendron chinense Forest[J]. Journal of Sichuan Forestry Science and Technology, 2016, 37(2): 12-17. doi: 10.16779/j.cnki.1003-5508.2016.02.003

鹅掌楸天然林生长特性研究

doi: 10.16779/j.cnki.1003-5508.2016.02.003

详细信息

国营通江县海鹰寺林场，四川通江 635711;国营通江县空山林场，四川通江 636700;四川省林业科学研究院，四川成都 610081

作者简介:
刘强(1971-),林学本科,林业工程师,主要从事森林经营管理。

基金项目:
四川省财政专项院自列项目:鹅掌楸种质资源综合评价及优异种质选择。
中图分类号: S718

A Study of the Growth Characteristics of Natural Liriodendron chinense Forest

More Information

Tongjiang Haiyingsi State Forestry Centre, Tongjiang 635711, Sichuan, China;Tongjiang Kongshankan State Forestry Centre, Tongjiang 636700, Sichuan, China;Sichuan Academy of Forestry, Chengdu 610081, Sichuan, China

摘要: 采用树干解析法对通江县海鹰寺林场鹅掌楸天然林生长规律进行研究。结果表明:25 a生鹅掌楸的胸径、树高与材积总生长量分别为25.38 cm、18.35 m与0.397049 m³;其年平均生长量分别为0.73 cm、1.02 m与0.015882 m³;胸径连年生长量在第12年时达到最大值,平均生长量在第16年时达到最大值,两者在第18年时相交,胸径数量成熟龄为18 a;树高连年生长量与平均生长量均在第8年时达到最大值,树高数量成熟龄为9 a;材积连年生长量在第24年时达到最大值,而鹅掌楸天然林在25 a生时尚未达到数量成熟。材积生长率在第18年时开始稳定,胸高形数在第10年时基本稳定。logistic曲线对鹅掌楸胸径、树高、材积生长动态有较好的拟合效果,其回归方程分别是y=18.63526/(1+7.2421*e^-0.18015x),y=26.81266/(1+18.24284*e^-0.20781x)与y=0.63661/(1+162.2645*e^-0.22093x)。
- 鹅掌楸;
- 生长特性;
- 天然林
Abstract: The research was conducted on the growth characteristics of the natural Liriodendron chinense forest growing at Haiyingsi Forest Farm in Tongjiang county in Sichuan province by using stem analysis method.The results showed that the DBH,tree height and tree volume growth of the 25-year-old Liriodendron chinense were 25.38 cm,18.35 m and 0.397049 m³.Their mean annual increments were 0.73 cm,1.02 m and 0.015882 m³.The current annual increment of DBH reached maximum at the age of 12 while the mean annual increment was at the age of 16.They intersected at about 18 years old,which meant that the DBH growth process had reached its quantitative at the age of 18.The current annual increment and mean annual increment of tree height reached maximum at 8 years old.The quantitative mature age of tree height was 9.The current annual increment of timber volume reached maximum at 24 years old.The tree growth process did not reach its quantitative mature age at 26 years old.The volume increment percent began to becorne stable at 18 years old.The tree form was basically steady at about 10 years old.The growth dynamic models of DBH,height and volume of Liriodendron chinense were established with the Logistic Equation.Three regression equations were:y=18.63526/(1+7.2421*e^-0.18015x),y=26.81266/(1+18.24284*e^-0.20781x),and y=0.63661/(1+162.2645*e^-0.22093x).
- Liriodendron chinense;
- Growth Characteristics;
- Natural Forest

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鹅掌楸天然林生长特性研究

doi: 10.16779/j.cnki.1003-5508.2016.02.003

国营通江县海鹰寺林场，四川通江 635711;国营通江县空山林场，四川通江 636700;四川省林业科学研究院，四川成都 610081

作者简介:
刘强(1971-),林学本科,林业工程师,主要从事森林经营管理。

收稿日期: 2015-11-20

基金项目:

四川省财政专项院自列项目:鹅掌楸种质资源综合评价及优异种质选择。

中图分类号: S718

关键词:

鹅掌楸 /
生长特性 /
天然林

摘要: 采用树干解析法对通江县海鹰寺林场鹅掌楸天然林生长规律进行研究。结果表明:25 a生鹅掌楸的胸径、树高与材积总生长量分别为25.38 cm、18.35 m与0.397049 m³;其年平均生长量分别为0.73 cm、1.02 m与0.015882 m³;胸径连年生长量在第12年时达到最大值,平均生长量在第16年时达到最大值,两者在第18年时相交,胸径数量成熟龄为18 a;树高连年生长量与平均生长量均在第8年时达到最大值,树高数量成熟龄为9 a;材积连年生长量在第24年时达到最大值,而鹅掌楸天然林在25 a生时尚未达到数量成熟。材积生长率在第18年时开始稳定,胸高形数在第10年时基本稳定。logistic曲线对鹅掌楸胸径、树高、材积生长动态有较好的拟合效果,其回归方程分别是y=18.63526/(1+7.2421*e^-0.18015x),y=26.81266/(1+18.24284*e^-0.20781x)与y=0.63661/(1+162.2645*e^-0.22093x)。

English Abstract

A Study of the Growth Characteristics of Natural Liriodendron chinense Forest

Tongjiang Haiyingsi State Forestry Centre, Tongjiang 635711, Sichuan, China;Tongjiang Kongshankan State Forestry Centre, Tongjiang 636700, Sichuan, China;Sichuan Academy of Forestry, Chengdu 610081, Sichuan, China

Received Date: 2015-11-20

Keywords:

Abstract: The research was conducted on the growth characteristics of the natural Liriodendron chinense forest growing at Haiyingsi Forest Farm in Tongjiang county in Sichuan province by using stem analysis method.The results showed that the DBH,tree height and tree volume growth of the 25-year-old Liriodendron chinense were 25.38 cm,18.35 m and 0.397049 m³.Their mean annual increments were 0.73 cm,1.02 m and 0.015882 m³.The current annual increment of DBH reached maximum at the age of 12 while the mean annual increment was at the age of 16.They intersected at about 18 years old,which meant that the DBH growth process had reached its quantitative at the age of 18.The current annual increment and mean annual increment of tree height reached maximum at 8 years old.The quantitative mature age of tree height was 9.The current annual increment of timber volume reached maximum at 24 years old.The tree growth process did not reach its quantitative mature age at 26 years old.The volume increment percent began to becorne stable at 18 years old.The tree form was basically steady at about 10 years old.The growth dynamic models of DBH,height and volume of Liriodendron chinense were established with the Logistic Equation.Three regression equations were:y=18.63526/(1+7.2421*e^-0.18015x),y=26.81266/(1+18.24284*e^-0.20781x),and y=0.63661/(1+162.2645*e^-0.22093x).