[1]张丽楠,王得祥,郝亚中,等. 陕西宁东林业局华北落叶松人工林最适经营密度研究[J].西北林学院学报,2013,28(01):146-150.[doi:10.3969/j.issn.1001-7461.2013.01.30]
 ZHANG Li-nan,WANG De-xiang,HAO Ya-zhong,et al. Optimal Management Density of Larix principis-rupprechtii Plantations of Ningdong Forestry Bureau in Shaanxi Province[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2013,28(01):146-150.[doi:10.3969/j.issn.1001-7461.2013.01.30]
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 陕西宁东林业局华北落叶松人工林最适经营密度研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第28卷
期数:
2013年01期
页码:
146-150
栏目:
出版日期:
2013-01-30

文章信息/Info

Title:
 Optimal Management Density of Larix principis-rupprechtii Plantations of Ningdong Forestry Bureau in Shaanxi Province
文章编号:
1001-7461(2013)01-0146-05
作者:
 张丽楠王得祥郝亚中柴宗政张洋吴昊
 (1 西北农林科技大学 林学院,陕西 杨陵 712100;2 陕西省宁东林业局,陕西 西安 710000)
Author(s):
 ZHANG Li-nan WANG De-xiang HAO Ya-zhongCHAI Zong-zhengZHANG Yang WU Hao
 (1. College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, China;2. Ningdong Forestry Bureau, Xi’an, Shaanxi 710000,China)
关键词:
 华北落叶松 人工林 最适经营密度 目标树作业体系
Keywords:
Larix principis-rupprechtii plantation the optimal management density crop tree management
分类号:
S758.58
DOI:
10.3969/j.issn.1001-7461.2013.01.30
文献标志码:
A
摘要:
 利用在宁东林业局进行的华北落叶松人工林标准地调查资料,研究了落叶松胸径与树冠面积的相关关系;并在此基础上,利用胸径、树冠面积和立木密度的相关规律,推算林分不同径阶的理论密度和适宜经营密度。结果表明:1)宁东林业局华北落叶松人工林胸径与树冠面积关系的最佳回归模型为Cws =0.044 6D2-0.755 1D+6.753 3;2)编制出理论密度和郁闭度为0.7~0.9的适宜经营密度表;3)落叶松人工林郁闭度为0.7时的林分密度为最适经营密度。
Abstract:
 Based on the data from the sampling plots of Larix principis-rupprechtii plantations of the forestry farms of Ningdong Forestry Bureau in Shaanxi Province,this paper studied on the regression models of DBH and the crown area ( Cws),and used this to calculate the theoretical density and optimal management density.The results showed that: 1) the optimal regression model of DBH-Cwswas Cws=0.044 6D2-0.755 1D+6.753 3. 2) the table of theoretical density and optimal management density were established under a series of canopy densities between 0.7-0.9 of L.principis-rupprechtii plantations. 3) the canopy density of 0.7 was the optimal management density.

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备注/Memo

备注/Memo:
 收稿日期:2012-03-08 修回日期:2012-06-13
基金项目:林业公益性行业科研专项“我国典型森林类型健康经营关键技术研究”(20100400206)。
作者简介:张丽楠,女,硕士研究生,研究方向:森林生态与森林可持续经营。E-mail:linanliaoning86@163.com
*通信作者:王得祥,男,教授,博士生导师,主要研究方向:森林生态和森林可持续经营。E-mail:wangdx66@126.com
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