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间伐抚育对秦岭主要类型林地生产力及健康的影响

辛力 黄华

陕西林业科技Issue(1):1-7,7.
陕西林业科技Issue(1):1-7,7.

间伐抚育对秦岭主要类型林地生产力及健康的影响

Impact of Tending on Productivity and Health of Forests in Qinling

辛力 1黄华2

作者信息

  • 1. 西北农林科技大学林学院,陕西杨凌712100
  • 2. 陕西省龙草坪林业局,陕西杨凌712100
  • 折叠

摘要

Abstract

Tending and thinning were carried out with the four types of forests of Larix,Pinus armandii,Pinus tabuliformis,Quercus aliena in Qinling mountains.The impact of tending on forest in terms of stem diameter,height,quality and health were studied.The result showed that tending and thinning adjusted the stem diameter distribution with the number of trees of big diameters declined and productivity increased.Tending and thinning have little impact on height of trees but increased the proportion of quality timber trees,reduced decay and rotten wood as well as kept the pest and disease under 5%.

关键词

秦岭/抚育间伐/林地生产力/林地健康

Key words

Qinling mountains/tending and thinning/forest productivity/forest health

分类

农业科技

引用本文复制引用

辛力,黄华..间伐抚育对秦岭主要类型林地生产力及健康的影响[J].陕西林业科技,2012,(1):1-7,7.

基金项目

林业公益性行业科研专项(201204502):秦岭天然次生公益林抚育经营关键技术研究 ()

陕西林业科技

1001-2117

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