半干旱地区华北落叶松人工林采伐迹地更新树种选择——以塞罕坝机械林场为例

THE REGENERATION TREE SPECIES SELECTION IN DEFORESTED LAND OF Larix principis-rupprechtii PLANTATION IN SEMI-ARID REGION

我国半干旱地区华北落叶松人工林正面临大面积采伐更新的问题,其采伐迹地更新树种选择的成败事关生态建设和经济发展的双重主题。本文以塞罕坝的华北落叶松人工林为研究对象,通过对更新树种生长表现和经济效益的综合分析,为半干旱地区华北落叶松人工林的可持续经营提供科学依据。

The problem are being brought out on cutting and regeneration of Larix principis-rupprechtii Plantation in a large scale in semi-arid region.The success and failure of tree species selection on deforested land is closely related with the dual theme both ecological construction and economic development.The paper Larix principis-rupprechtii Plantation in Saihanba was focused on.Both the growth status and the economic effect were comprehensively analyzed,which will offer scientific support for the sustainable management of principis-rupprechtii Plantation in Semi-arid Region.