本文依据年龄结构的研究结果,对兴安落叶松种群的更新过程进行了分析.结果表明,采伐迹地兴安落叶松种群更新持续期多为10a左右,最长不超过20a.伐后第1个种子年的更新在更新的总数中占相当大的比例.一般在伐后10a内就已更新了90%以上,而伐后11～21a内.更新不足10%.采伐迹地内地面受干扰的异质性,导致了3种不同的更新过程. Based on the results of age structure, the population renewal process of Larix gmelinii was analyzed based on the results of age structure.The results showed that the renewal duration of Larix gmelinii population was about 10a and the longest duration was less than 20a.The first seed after cutting Of updates represent a substantial proportion of the total number of updates and have generally been updated over 90% within 10 years of post-harvest and within 10 to 21 days of post-felling, with an update of less than 10% Disturbed heterogeneity of the ground within the deforestation , Resulting in 3 different update processes.