森林火灾对碳汇林最佳轮伐期的影响分析

doi:10.13466/j.cnki.lyzygl.2015.06.017

林业资源管理 ›› 2015, Vol. 0 ›› Issue (6): 88-93.doi: 10.13466/j.cnki.lyzygl.2015.06.017

森林火灾对碳汇林最佳轮伐期的影响分析

黄宰胜¹, 陈钦^1,2

1.福建农林大学经济学院,福州 350002;
2.国家林业局杉木工程技术研究中心,福州 350002

出版日期:2015-10-28 发布日期:2020-11-19
作者简介:黄宰胜(1980-),男,浙江瑞安人, 博士,主要从事森林生态经济研究。Email:66173001@qq.com 通讯作者:陈钦(1968-),男,福建永泰人,教授,博导,主要从事森林生态经济与林业财务会计研究。Email:956585977@qq.com
基金资助:
科技部国家软科学研究计划(2010GXS5D217)

Analysis of Forest Fire Risk Effects on the Optimal Rotation of Carbon Sequestration Forests

HUANG Zaisheng¹,CHEN Qin^1,2

1.School of Economics,Fujian Agriculture and Forestry University,Fuzhou 350002,China;
2.The Fir Engineering Technology Research Center of State Forestry Administration,Fuzhou 350002,China

Online:2015-10-28 Published:2020-11-19

摘要/Abstract

摘要： 基于Hartman模型,构建无限轮伐期下纳入森林火灾风险的碳汇林最佳轮伐期评价模型,并对浙江省瑞安市的湿地松碳汇林进行了实证分析。结果表明:1)当森林火灾受害率上升为1.10%和2.50%时,湿地松碳汇林最佳轮伐期开始由17a分别缩短为16a和15a,此后便不再改变;2)当碳价格为55元/t时,其最佳轮伐期开始由18a缩短为17a,但碳价格对其影响有限;3)不同的森林火灾受害率和碳价格可以组合成最佳轮伐期边界,该边界为多边形区域;4)森林火灾受害率和碳汇林净现值变化率之间为幂函数关系,即随着森林火灾受害率的上升,其净现值下降的幅度是不断减少的;5)当碳价格为55元/t时,森林火灾受害率从0.10%下降到0.04%,碳汇林经营者愿意支付的最高成本为805.96元/hm²,占碳汇林收益净现值的2.40%。该研究可为碳汇林经营者采取防火措施和政府制定相关森林防火政策提供成本参考。

关键词: 森林火灾, 碳汇林, 最佳轮伐期

Abstract: An optimal rotation evaluation model was built for the forest carbon sequestration forest which took account of the fire risk under infinite horizon,and the empirical analysis carried out for the Slash pine carbon sequestration forests in Rui’an city of Zhejiang Province.The result showed thatfirstly,when forest fire risk rate increased to 1.10% and 2.50%,the optimal rotation of Slash pine carbon sequestration forests was shorten from 17 years to 16 years and 15 years respectively,and since then,it no longer changed;secondly,when the carbon price was 55 yuan/t,its optimal rotation was shorten from 18 years to 17 years,but the influence of the carbon price was limited;thirdly,different forest fire risk rate and the carbon price could be combined into the optimal rotation frontier,which was a polygon area;fourthly,the relationship between forest fire risk rate and the changing rate of carbon sequestration forests net present value was a power function,namely with the rate of forest fire risk arising,the decreased degree of its net present value would become smaller;lastly,when forest fire risk rate declined from 0.10% to 0.04%,the maximum cost that carbon sequestration forest management would pay was 805.96 yuan/hm²,which accounted for 2.40% of the total net present value of carbon sequestration forest,when the carbon price was 55yuan/t.

Key words: forest fire risk, carbon sequestration forest, the optimal rotation

中图分类号:

黄宰胜, 陈钦. 森林火灾对碳汇林最佳轮伐期的影响分析[J]. 林业资源管理, 2015, 0(6): 88-93.

HUANG Zaisheng,CHEN Qin. Analysis of Forest Fire Risk Effects on the Optimal Rotation of Carbon Sequestration Forests[J]. FOREST RESOURCES WANAGEMENT, 2015, 0(6): 88-93.

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森林火灾对碳汇林最佳轮伐期的影响分析

Analysis of Forest Fire Risk Effects on the Optimal Rotation of Carbon Sequestration Forests

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