GUO Zhen-ming.Discussion on Tree Species Selection in Inner Mongolia White Birch Secondary Forest Reform[J].HEILONGJIANG AGRICULTURAL SCIENCES,2013,(03):92-94.
内蒙古白桦次生林改造中树种选择的探讨
- Title:
- Discussion on Tree Species Selection in Inner Mongolia White Birch Secondary Forest Reform
- 文章编号:
- 1002-2767（2013）03-0092-03
- Keywords:
- white birch secondary forest; reform; tree species selection
- 分类号:
- S756.4
- 文献标志码:
- A
- 摘要:
- 为了提高国营林场森林蓄积量,对天然白桦次生林进行30多年的改造，在国家已审批可改造林地，对不同坡向选择栽植华北落叶松、油松、樟子松等针叶树，与白桦天然萌芽更新形成针阔混交林。结果表明：在阴坡、半阴坡混交林中落叶松生长最快，樟子松次之；而在阳坡、半阳坡混交林中，油松、樟子松生长旺盛。随着林龄的增长，森林蓄积量稳定增长。实践证明科学合理改造北方林区天然次生林，可达到森林经营的永续利用和可持续发展目标。
- Abstract:
- In order to improve the volume of state-owned forest farm,the reconstruction of white birch’s secondary forest tree for 30 years was implemented.Our country has approved farm for planting larch,planting Chinese pine,Mongolica and other conifer according to different slope and aspect,together with natural white birch to form theropencedrymion.The result showed that:in the shade and half shade slope mixed forest,larch grew fastest and followed by Mongolica,while in sunny slope and half sunny slope mixed forest,Pinus tabulaeformis and Mongolica grew vigorously.With the growth of the age of tree,forest’s volume grew stably.Practice proved that scientific and reasonable transformation of northern natural secondary forest,could achieve the sustainable utilization of forest management and sustainable development goals.
参考文献/References:
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[2]贾明志.落叶松菌根苗培育和造林技术应用[J].内蒙古林业调查设计，2005(6)：22-23.
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备注/Memo
收稿日期：2012-12-22
作者简介：郭振明（1964-），男，内蒙古自治区乌兰察布市人，学士，林业高级工程师，从事低产低效林人工林改造研究。E-mail:948582631@qq.com。