[1]陶玉华,赵峰,庞正轰,等. 西南桦人工林生长规律研究[J].西北林学院学报,2019,34(1):180-183.[doi:10.3969/j.issn.1001-7461.2019.01.27]
　TAO Yu-hua,ZHAO Feng,PANG Zheng-hong,et al. Growth Law of Betula alnoides Plantation[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2019,34(1):180-183.[doi:10.3969/j.issn.1001-7461.2019.01.27]
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 西南桦人工林生长规律研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第34卷
期数:
2019年第1期
页码:
180-183
栏目:
出版日期:
2019-01-31

文章信息/Info

Title:
 Growth Law of Betula alnoides Plantation
文章编号:
1001-7461(2019)01-0180-04
作者:
 陶玉华1; 赵峰2; 庞正轰3; 黄光启2; 赖曼芳2; 李魁荣2; 黄秀英2
 （1.钦州学院，广西北部湾海洋灾害研究重点实验室，广西北部湾海岸科学与工程实验室，广西 钦州 535011；2.广西靖西县五岭林场，广西 靖西 533800；3.广西农业职业技术学院，广西 南宁 530007）
Author(s):
 TAO Yu-hua1; ZHAO Feng2; PANG Zheng-hong3; HUANG Guang-qi2; LAI Man-fang2; LI Kui-rong2; HUANG Xiu-ying2
 (1.Guangxi Key Laboratory of Marine Disaster in the Beibu Gulf,The Key Laboratory of Coastal Science and Engineering in the Beibu Gulf Qinzhou College,Qinzhou 535011,Guangxi,China; 2.Wuling Forest Farm of Jingxi,Jingxi 533800,Guangxi,China; 3.Guangxi Agricultural Vocational and Technical College,Nanning 530007,Guangxi,China)
关键词:
西南桦; 人工林; 生长规律; 数量成熟
Keywords:
Betula alnoides;  plantation;  growth law;  quantitative maturity
分类号:
S721.15
DOI:
10.3969/j.issn.1001-7461.2019.01.27
文献标志码:
A
摘要:
 为揭示西南桦人工林生长规律，为西南桦人工林的经营管理提供科学依据，采取定点定株连续观察法研究广西百色市靖西县五岭林场西南桦人工林生长过程。结果表明，15 a生西南桦人工林树高、胸径、材积分别达到19.7 m、20.2 cm、0.315 5 m3·株-1。幼林的树高和胸径生长量随树龄增长而增大，5 a生达到高峰，之后随树龄增长而下降。材积连年生长量、年均生长量分别在第5年和第13年达到高峰。材积连年生长率与年均生长率曲线在14 a相交，表明西南桦数量成熟年龄为14 a。西南桦林分的枝下高随树龄增长而增大，自然整枝高峰期在6~7 a。
Abstract:
 In order to reveal the growth law and provide scientific basis for the management of Betula alnoides plantation,the growth process of B.alnoides plantation was studied by fixed point,fixed plant and consecutive observation in Wuling Forest Farm of Baise,Guangxi.The results showed that individual tree height,DBH and volume of 15-year-old B.alnoides were 19.7 m,20.2 cm and 0.315 5 m3,respectively.The height and DBH increased with age,and reached the peak at the 5th year,then decreased with the age.The annual increment volume and annual average growth volume reached the peak at the 5th and 13th year,respectively.The intersecting curve of volume successive-year growth percentage and annual average increment percentage appeared at the 14th year,which indicated that B.alnoides quantitative mature age was 14 years.The clear bole height increased with the age,and the natural pruning peak appeared at 6-7 years.

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备注/Memo

备注/Memo:
 收稿日期：2018-04-15修回日期：2018-09-25
基金项目：广西林业“十五”科技项目（桂林科字［2001］第80号);钦州学院高层次人才科研启动项目(2017KYQD203);广西北部湾海洋灾害研究重点实验室自主项目(2018TS01）。
作者简介：陶玉华，女，博士，教授，研究方向：生态学。E-mail:arlenetao12@aliyun.com
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