| 大兴安岭白桦天然林改培为速生丰产林技术及其效益分析 |
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| 引用本文： | 金凤新,徐永波,张芸慧. 大兴安岭白桦天然林改培为速生丰产林技术及其效益分析[J]. 林业调查规划, 2010, 35(3): 1-4. DOI: 10.3969/j.issn.1671-3168.2010.03.001 |
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| 作者姓名： | 金凤新 徐永波 张芸慧 |
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| 作者单位： | 1. 大兴安岭地区农林科学院,黑龙江,加格达奇,165300
2. 大兴安岭地区营林局,黑龙江,加格达奇,165300 |
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| 摘 要： | 对白桦天然林改培速生丰产林试验地的调查数据进行分析,确定了白桦天然幼、中龄林进行3次抚育采伐的时间,分析了透光抚育和生长抚育的效果,明确了白桦天然林不同林龄时的最佳抚育强度以及不同龄级的最佳经营密度.分别对人工培育白桦林和对本区白桦天然林进行人工抚育的经济效益进行了分析.
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| 关 键 词： | 白桦天然林 抚育间伐 抚育强度 经营密度 效益分析 |
Analysis on both Technology and Benefit of Transformation of Betula platyphylla Natural Forest into Fast-growing and High-yield Forest |
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| JIN Feng-xin,XU Yong-bo,ZHANG Yu-hui. Analysis on both Technology and Benefit of Transformation of Betula platyphylla Natural Forest into Fast-growing and High-yield Forest[J]. Forest Inventory and Planning, 2010, 35(3): 1-4. DOI: 10.3969/j.issn.1671-3168.2010.03.001 |
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| Authors: | JIN Feng-xin XU Yong-bo ZHANG Yu-hui |
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| Affiliation: | JIN Feng-xin1,XU Yong-bo1,ZHANG Yu-hui2(1.Institute of Agricultural and Forestry Sciences of Daxinganling District,Jiagedaqi 165300 Heilongjiang,China,2.Forestation Bureau of Daxinanling District,China) |
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| Abstract: | The data from the experimental area for the transformation of Betula platyphylla natural forest into fast-growing and high-yield forest were analyzed;the time was defined as three times cutting of young and middle-aged forest;the benefits of the transparent breeding and growth breeding were compared;and optimal managerial density and optimal tending strength at different age stages were made clear.Besides,the economic benefits of artificial Betula platyphylla forest and natural Betula platyphylla forest by ... |
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| Keywords: | Betula platyphylla natural forest intermediate felling tending strength managerial density benefit analysis |
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