
基于价格、偏好与灾害不确定性的森林最优轮伐期方法学演进
王晓雯, 耿爱欣, 余智涵, 杨红强
南京林业大学学报(自然科学版) ›› 2025, Vol. 49 ›› Issue (5) : 267-278.
基于价格、偏好与灾害不确定性的森林最优轮伐期方法学演进
Evolution of optimal forest rotation period methodology considering the uncertainties of price, preference, and catastrophic events
【目的】当前,市场价格、决策者偏好和自然灾害是影响森林可持续经营的三大不确定性因素,追踪并拓展基于价格、偏好和灾害不确定性的森林最优轮伐期方法学是需着力解决的重要科学问题,可为森林可持续经营并应对气候变化中基于自然的解决方案提供重要途径。【方法】本研究回顾了经典Faustmann模型及其演变,分析了其在森林可持续经营应用中的局限性,并梳理了相应的最优轮伐期方法学演进。【结果】①实物期权分析可以提升林地价值评估的灵活性,而动态规划法则是该情形下最优轮伐期决策的主要解析工具。在解析过程中,需结合市场特性及历史数据合理选择价格模型,以提高最优轮伐期决策的准确性。②政策制定者偏好和森林经营者个人风险偏好都会对确定最优轮伐期产生影响。政策不确定性使得森林经营者倾向于提前采伐,而经营者的风险偏好则影响其面对价格波动的策略。对于经营者偏好,Pressler指示率提供了结合风险预期进行事前决策的有效方法。③自然灾害的发生阻断木材材积生长并提前释放了森林碳汇量,森林经营者通过缩短轮伐期来避免损失。当尝试对灾害造成的碳排放进行惩罚时,可以激励森林经营者采取措施内化灾害不确定性,降低灾害来临频率和损害程度。【结论】基于应对多重不确定性的森林轮伐期方法学框架,整合实物期权、动态规划与风险偏好量化工具,突破传统模型的静态局限。未来应构建价格-政策-灾害的动态耦合模型,开发基于人工智能的多目标优化系统,并通过碳惩罚机制设计实现生态经济目标协同,为气候智慧型森林经营提供决策支持。
【Objective】Market price, decision-maker preferences, and natural disasters constitute three major uncertainties affecting sustainable forest management. Advancing methodologies for determining optimal forest rotation periods under these uncertainties is a critical scientific issue that needs to be addressed. Resolving this can provide nature-based solutions in sustainable forestry mauagement and addressing climate change. 【Method】This study revisits the classical Faustmann model and its evolution, exposes its limitations in the applications of sustainable forest management and synthesizes methodological advancements in optimal rotation period determination. 【Result】(1) Real options analysis enhances flexibility in forest land valuation, while dynamic programming serves as the primary analytical tool for optimal rotation decisions under uncertainty. Selecting appropriate price models based on market characteristics and historical data improves decision accuracy.(2) Preferences of both policymakers and forest managers significantly influence optimal rotation periods. Policy uncertainty leads forest managers to tend toward earlier harvesting, while the individual risk preferences shape strategies against price fluctuations. The Pressler indicator offers an effective ex-ante decision-making approach incorporating risk expectations.(3) Natural disasters disrupt timber volume growth and accelerate carbon release from the carbon sequestration capacity of forests. Managers shorten rotations to minimize losses. Penalizing disaster-induced carbon emissions can incentivize managers to internalize disaster risks, reducing both frequency and severity of impacts. 【Conclusion】This study establishes a methodological framework addressing multidimensional uncertainties through integrated real options, dynamic programming, and risk preference quantification tools, overcoming static limitations of traditional models. Future research should: develop dynamic price-policy-disaster coupling model; create AI-based multi-objective optimization systems; and design carbon penalty mechanisms to align the aligmment of ecological-economic goals decision support for climate-smart forest management.
最优轮伐期 / Faustmann模型 / 市场价格 / 决策者偏好 / 自然灾害 / 森林可持续经营
optimal rotation period / Faustmann model / market price / decision-maker preference / natural catastrophic events / sustainable forest management
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