日本落叶松与色赤杨、白桦混交林的综合效益  

Comprehensive Benefit of Mixed Forest of Larix kaempferi,Alnus tinctoria & Betula platyphylla

作　　者：于凤林 王伟 杨尉峰 

机构地区：[1]辽宁省本溪满族自治县连山关林场,辽宁本溪117112 [2]辽宁省森林经营研究所

出　　处：《防护林科技》2010年第3期12-13,共2页Protection Forest Science and Technology

摘　　要：通过对不同林型的试验表明，日本落叶松与白桦、色赤杨混交林型能促进林木的生长发育，各项性状指标均优于日本落叶松纯林。各混交林型能改善林分土壤状况，提高土壤肥力，在不同林型中，乔木层物种重要值，日本落叶松纯林最大，基本为一个林冠层，而混交林有2个林冠层，在灌木层和草本层中，以混交林型物种数量最多，远远高于日本落叶松纯林。混交林的物种丰富度最大，数量最多，纯林的总数量仅为混交林的11％～37％。Through experiments of different forest types, mixed forest of Larix kaempferi , Betula platyphylla ＆ Alnus tinctoria can increase the growth and yield of forest trees; various character indices are all superior to pure forest of Larix kaempferi. Each mixed forest can improve soil conditions ＆ fertility. Among different forest types, species important value of tree layer of pure forest of Larix kaempferi which is basically one canopy layer is the most ; whereas mixed forest have two canopy layers, in shrub layer ＆ herb layer, quantity of mixed forest species are the most, much higher than that of pure forest of Larix kaempferi. Species richness ＆ quantity of mixed forest are all the most; total quantity of pure forest is only 11% - 37% of the mixed forest.

关 键 词：日本落叶松 色赤杨 白桦 混交林 综合效益 

分 类 号：S725.2[农业科学—林木遗传育种]