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1961—62年,在布里亚特苏维埃社会主义自治共和国叶拉夫宁林场进行森林经理调查时,我们研究了兴安落叶松在林冠下的天然更新与下木层的关系。调查研究是在30块不同年龄和不同林型的标准地上进行的,林分地位级Ⅳ—Ⅴ级,疏密度0.7—0.8。丛桦落叶松林分布在山坡下部山麓部分,土壤很湿润,下木由丛桦组成,高1.5米,盖度0.6—0.7;草被层由禾草、大叶杂草、矶踯躅、越桔等组成,并混有问荆、鹿蹄草等,分布均匀,盖度占40—50%;苔藓层(主要是
In the 1961-62 survey of forest managers at the Yevrainy forest farm in the Autonomous Republic of the Soviet Autonomous Region of Buryat, we studied the relationship between the natural regeneration of Larix gmelinii under the canopy and the undergrowth. The investigation was carried out on 30 standard plots of different ages and different types of forest. The stand status was Grade IV-V, and the sparseness was 0.7-0.8. Plexus Betula larch forest distribution in the lower part of the foothills of the hill, the soil is very moist, the next wood by the birch, composed of 1.5 meters high, 0.6-0.7 coverage; grass by grass, big leaf weeds, sandpiper, bilberry Etc., and mixed with asked Jing, wintergreen, etc., evenly distributed, cover 40-50% coverage; moss layer (mainly