不同情境下桉树碳汇林最佳轮伐期分析

doi:10.11870/cjlyzyyhj2016Z1004

长江流域资源与环境 >> 2016, Vol. 25 >> Issue (Z1): 25-31.doi: 10.11870/cjlyzyyhj2016Z1004

不同情境下桉树碳汇林最佳轮伐期分析

黄宰胜¹, 陈钦^1,2

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

收稿日期:2015-06-15 修回日期:2015-09-15 出版日期:2016-11-26
通讯作者: 陈钦,E-mail:956585977@qq.com E-mail:956585977@qq.com
作者简介:黄宰胜(1980~),男,博士研究生,主要从事森林生态经济方面研究.E-mail:66173001@qq.com
基金资助:
科技部国家软科学研究计划（2010GXS5D217）；福建农林大学科技创新平台

ANALYSIS OF THE OPTIMAL ROTATION OF EUCALYPT CARBON SEQUESTRATION FORESTS UNDER VARIOUS SCENARIOS

HUANG Zai-sheng¹, CHEN Qin^1,2

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

Received:2015-06-15 Revised:2015-09-15 Online:2016-11-26
Supported by:
National Soft Research Program of Ministry of Science and Technology(2010GXS5D217);Science and Technology Innovation Platform of Fujian Agricultrue and Forestry University

摘要/Abstract

摘要： 碳汇林具有碳汇价值和木材价值，最佳轮伐期是影响碳汇林收益的重要因素，但目前相关研究较少。以浙江省苍南县桉树碳汇林为研究对象，构建了同时考虑碳汇价值和木材价值的最佳轮伐期模型，并利用桉树生长模型，通过模拟计算，系统地分析了纳入模型的碳价格、贴现率、木材价格和劳动力价格等四个变量，在不同情境下，对碳汇林最佳轮伐期的影响。同时，探讨了上述变量对碳汇林收益净现值的影响。结果表明：当碳价格为55元/t、贴现率为5%、木材价格为700元/m³和劳动力价格为100元/工日时，桉树碳汇林最佳轮伐期为8年，单位面积收益净现值为99 053.80元/hm²，其中碳汇收益净现值只占8.60%；此外，碳价格、贴现率和木材价格对碳汇林最佳轮伐期负相关，而劳动力价格与碳汇林最佳轮伐期正相关。

关键词: 桉树, 碳汇林, 最佳轮伐期

Abstract: The carbon sequestration forests have important values of both carbon sequestration and timber harvest. The optimal rotation is an important factor that effects the benefits of carbon sequestration forests, which have been rarely studied. In this paper we focused on the short rotation carbon sequestration forests of eucalypt in Cangnan County, Zhejiang Province, and built an optimal rotation evaluation model of the carbon sequestration forests accounting for carbon price, discount rate, timber price and labor price under various scenarios and infinite horizon. We studied how above variables influence the optimal rotation of the carbon sequestration forests and discussed the net value of carbon sequestration forests benefits, through simulation calculation using the growth model of eucalypt. The results showed that when the carbon price was 55 Yuan/t, discount rate was 5%, timber price was 700 Yuan/m³ and labor price was 100 Yuan each day, the optimal rotation of eucalypt carbon sequestration forests was 8 years, the net present value of per unit area was 99 053.80 Yuan/ha, but carbon sequestration benefits only accounted for 8.60% of the total net present value. In addition, the carbon price, discount rate and timber price had negative correlations with the optimal rotation of carbon sequestration forests, while the labor price had a positive correlation.

Key words: Eucalypt, Carbon sequestration forest, optimal rotation

中图分类号:

S718.4

黄宰胜, 陈钦. 不同情境下桉树碳汇林最佳轮伐期分析[J]. 长江流域资源与环境, 2016, 25(Z1): 25-31.

HUANG Zai-sheng, CHEN Qin. ANALYSIS OF THE OPTIMAL ROTATION OF EUCALYPT CARBON SEQUESTRATION FORESTS UNDER VARIOUS SCENARIOS[J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2016, 25(Z1): 25-31.

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