气候变化变数下的最佳森林管理

IF 6.6 2区 经济学 Q1 ECOLOGY
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引用次数: 0

摘要

生态系统很可能受到气候变化的严重影响。虽然有关这一主题的文献主要侧重于气候变异手段,但已有越来越多的证据表明气候变异性的变化在决定生态系统影响方面的重要性。在这方面,森林发挥着重要作用。一方面,森林经常被认为是减少温室气体排放的关键因素,另一方面,森林也受到气候变化的影响。然而,关于气候变化下最佳森林管理的研究数量仍然有限,而且忽略了气候变异的作用。本文建立了一个生态-经济林分耦合模型,在该模型中,森林动态是月度气候变量的函数。我们的研究表明,考虑气候变异性的变化会大大改变之前的研究结果。特别是,忽略气候变异性可能无法充分考虑最佳采伐年龄的变化,并导致关于气候变化对林地价值影响的错误结论。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Optimal forest management under climate change variability

Ecosystems are likely to be severely affected by climate change. While the literature on this subject focuses primarily on climate variable means, increasing evidence has been gathered on the importance of changes in climate variability in determining ecosystem impacts. In this context, forests play a significant role. While, on the one hand, forests have often been identified to be a key element in mitigating greenhouse gas emissions, on the other, forests are also affected by changes in climate. However, the number of studies on optimal forest management under climate change remains limited and has overlooked the role of climate variability. This paper adds to that literature by developing a coupled ecological-economic forest stand model in which forest dynamics are a function of monthly climate variables. We show that accounting for changes in climate variability substantially changes earlier findings. In particular, ignoring climate variability may fail to adequately account for changes in optimal harvest age and lead to erroneous conclusions regarding the effects of climate change on forested land value.

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来源期刊
Ecological Economics
Ecological Economics 环境科学-环境科学
CiteScore
12.00
自引率
5.70%
发文量
313
审稿时长
6 months
期刊介绍: Ecological Economics is concerned with extending and integrating the understanding of the interfaces and interplay between "nature''s household" (ecosystems) and "humanity''s household" (the economy). Ecological economics is an interdisciplinary field defined by a set of concrete problems or challenges related to governing economic activity in a way that promotes human well-being, sustainability, and justice. The journal thus emphasizes critical work that draws on and integrates elements of ecological science, economics, and the analysis of values, behaviors, cultural practices, institutional structures, and societal dynamics. The journal is transdisciplinary in spirit and methodologically open, drawing on the insights offered by a variety of intellectual traditions, and appealing to a diverse readership. Specific research areas covered include: valuation of natural resources, sustainable agriculture and development, ecologically integrated technology, integrated ecologic-economic modelling at scales from local to regional to global, implications of thermodynamics for economics and ecology, renewable resource management and conservation, critical assessments of the basic assumptions underlying current economic and ecological paradigms and the implications of alternative assumptions, economic and ecological consequences of genetically engineered organisms, and gene pool inventory and management, alternative principles for valuing natural wealth, integrating natural resources and environmental services into national income and wealth accounts, methods of implementing efficient environmental policies, case studies of economic-ecologic conflict or harmony, etc. New issues in this area are rapidly emerging and will find a ready forum in Ecological Economics.
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