一、引言轮伐期(Rotation)是表示林业生产期间域生产周期的一种形式。它表示在一个林业经营单位内采伐、更新、一直培育到可以再主伐的年限,亦即采伐、更新、培育、再采伐、再更新、再培育,进行周而复始,长期经营、永续利用的生产周期。确定轮伐期的依据有自然因素和经济因素,经济成熟是从经济收益最多角度去考虑确定轮伐期。在我国该领域的研究几乎空白,目前我国林业逐步走向提高经营水平和 I. INTRODUCTION Rotation is a form of field production cycle during forestry production. It means cutting, renewing and cultivating within a forestry business unit until the deadline for re-cutting, that is, the production cycle of cutting, renewing, cultivating, re-logging, re-updating, re-cultivating, . Determine the rotation based on natural and economic factors, economic maturity is to consider from the perspective of economic benefits to determine the rotation period. The research in this field in our country is almost blank. At present, the forestry in our country is gradually moving to improve the management level and